MICRO SWITCH™ Premium
Large Basic Switches
BZ | BA | BM | BE | 6AS Series
Datasheet
MICRO SWITCH™ Large Premium Basic Switches
Accurate, reliable, and repeatable, MICRO SWITCH™ BZ/BA/BM/BE Series features precise operating characteristics
and enhanced life. These premium, large snap-action switches offer precision operation and sensitive differential
travel.
Utilizing state-of-the-art manufacturing processes and quality controls, Honeywell has engineered premium, large
snap-action switches that meet various international agency requirements. Some models have military qualifications.
MICRO SWITCH™ BZ/BA/BM/BE Series are often used for precision on/off applications, as well as end of limit,
presence/absence, and manual operator interface functions.
Their engineered design is suitable for various application needs. Configured options with BZ, BA, BM, and BE
switches provide a wide variety of operating and interface characteristics.
The MICRO SWITCH™ 6AS Series consists of two large premium BZ/BA/BM/BE snap-action switches ganged
together and actuated by a single actuator. Field adjustable operating point is an option for one or both switches.
What makes our switches better?
• Industry-leading temperature range for options up to 204 °C
[400 °F] and temperatures as low as -55 °C [-67 °F]
• Exclusive current carrying capability of up to 25 A
• International approvals: UL, CSA, ENEC, CE listings
• Options for circuitry, styles, connection types and a wide
selection of actuator styles
• Dependable performance tested up to 20 million mechanical cycles
• MICRO SWITCH™ legacy and expertise - over 75 years of
engineering excellence and experience
Operating in extreme
temperatures is
all in a day’s work for
MICRO SWITCH™
large basics!
QUALITY • RELIABLE • RUGGED • GLOBAL
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Features
and Benefits
GLOBAL USE AND APPROVALS
Switches certified to UL, CSA, ENEC, and CE for global use
Flexibility of product characteristics
Honeywell’s large basic switches offer various operating force and differential travel
options to meet the actuator type. Designed with momentary or maintained
contact action, these switches may perform a variety of functions as well as
offering a choice of actuation, termination and operating characteristics for design
flexibility
Listings certified for global use and mulitple applications
VARIENTS FOR EXTREME CONDITIONS
With an IP64 sealing option to maintain switch enclosure sealing, many listings can
be used in dirty, harsh environments with their dustproof and splash resistant
seals. Many versions operate in extreme temperatures, up to 121 °C [250 °F],
and several with high temperature options for up to 204 °C [400 °F], as well as
temperatures as low as -55 °C [-67 °F]
EASY INSTALLATION REDUCES OVERALL COSTS
The switch’s enlongated mounting hole allows for easier, more accurate mounting
tight hysteresis/differential travel
Designed with a hysteresis as small as 0,008 mm [0.0003 in], the BZ/BA/BM/
BE switches may be used in applications where very tight and sensitive control is
required between the operate and release points
Standardize switching packages
current capacity from less than 1 A to 25 A
With a broad current capacity, one switch package can control a wide range
of electrical loads. As requirements vary for applications, a standardized switch
package may help reduce costs and increase application flexibility. Gold contacts
available for controlling low energy/low power circuits
enhanced performance
Internal flat spring design delivers optimum performance and switch reliability
MILITARY APPROVALS
MIL-PRF-8805 switches available for military-specified applications
sensing.honeywell.com
3
Potential Applications
BUILDING controls AND EQUIPMENT
Often used in a building’s boiler/heater controls, in HVAC systems to sense exhaust
pressure on high efficiency furnances, and in fire suppression systems to sound
alarm when sprinkler activation/waterflow is detected. May also be used in machine
tools to limit the maxiumum movement for pieces of equipment
DOORS AND LIFTS
May be used in elevators and lifts to sense if the car is in position before the door
opens and on door-latching mechanisms to indicate door closed and/or door
locked
semi-trucks and trailers
Can be used to disengage the cruise control when the clutch pedal is depressed
and for diesel engine brake assist. For surface transportation equipment, can be
used as a seat switch
VALVES
Detects whether a valve is “open” or “closed”
TIMING DEVICES
Often used in commercial/industrial-grade timers to turn outputs “on” and/or “off” at
preset times
COMMUNICATION SYSTEMS
May be used as a door interlock on communication consoles or enclosures
FOOT SWITCHES
In commerical and industrial foot switch enclosures, may be used as the switching
element
COMMERCIAL AND INDUSTRIAL KITCHEN EQUIPMENT
May be used to indicate door closed and/or door locked for the self-cleaning feature
IRRIGATION EQUIPMENT
Often used for limiting maximum offset of irrigation towers
medical instrumentation
In medical and dental equipment, often used in foot switches to control the dental
drill and the positioning of the chair
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sensing.honeywell.com
MICRO SWITCH™ Premium Large Basic Switches
Table 1. Specifications
Characteristic
BZ
Series
Ampere rating
Circuitry
Operating force
Termination
WZ
Series
YZ
Series
BA
Series
15 A
SPDT
SPNC
WA
Series
YA
Series
BM Series
BE Series
22 A
25 A
SPDT
SPDT
20 A
SPNO
SPDT
SPNC
SPNO
1.0 oz to 28 oz
quick connect, solder, screw
Actuator
pin plunger, overtravel plunger, straight, roller, flexible leaf roller, flexible leaf
Voltage
125 Vac, 250 Vac, 125 Vdc, 250 Vdc
Agency approvals
Operating temperature
UL, CSA, ENEC, CE (varies by specific model)
-55 °C to 85 °C [-67 °F to 185 °F]
Contacts
silver, silver cadmium oxide, gold alloy
Housing
general purpose phenolic
Sealing
Environment sealing option available (options for IP64 Sealing)
Dielectric strength
2000 V between each terminal and ground
Contact resistance
15 m Ohm max.(initial)
Insulation resistance
Vibration
Expected mechanical life
Expected electrical
service life
Rated frequency
100 M Ohm min.
1,5 mm peak-to-peak amplitude, frequency 10 Hz to 55 Hz, for two continuous hours
up to 20,000,000 cycles at 95% survival
100K operations at rated load
50 Hz/60 Hz
sensing.honeywell.com
5
BZ | BA | BM | BE | 6AS Series
ELECTRICAL DATA AND UL CODES
general switch identification
Table 2. UL Electrical Ratings
The first letter in the catalog listing designates:
Code
Circuitry
Electrical data and UL codes
B = Single pole, double throw
W = Single pole, normally closed
SPDT
15 A, 125, 250 or 480 Vac;
1⁄8 HP, 125 Vac; 1⁄4 HP, 250 Vac;
1⁄2 A, 125 Vdc; 1⁄4 amp, 250 Vdc.
UL Code L96
B
SPDT
5 A, 125, 250 or 480 Vac;
1⁄2 A, 125 Vdc; 1⁄4 amp, 250 Vdc.
UL Code L35
Z = Standard, 15 A version
C
SPDT
10 A, 125, 250 or 480 Vac;
UL Code L8
D
SPDT
15 A, 125, 250 or 480 Vac;
1⁄8 HP, 125 Vac; 1⁄4 HP, 250 Vac.
UL Code L103
SPDT
15 A, 125, 250 or 480 Vac;
1⁄4 HP, 125 Vac, 1⁄2 HP, 250 Vac;
1⁄2 A, 125 Vdc; 1⁄4 amp, 250 Vdc.
UL Code L67
A
E
SPDT
22 A, 125, 250 or 480 Vac;
1⁄2 HP, 125 Vac, 1 HP, 250 Vac.
UL Code L161
SPDT
20 A, 125, 250 or 480 Vac;
10 A, 125 Vac ‘‘L’’ (tungsten lamp load);
1 HP, 125 Vac; 2 HP, 250 Vac;
1⁄2 A, 125 Vdc; 1⁄4 A, 250 Vdc. UL Code L23
H
SPDT
Motor control - 25 A, 125, 250 or 480 Vac;
1 HP, 125 Vac; 2 HP, 250 Vac;
Pilot duty—750 VA, 125, 250, or 277 Vac
I
SPDT
10 A, 125, 250 or 480 Vac;
1⁄8 HP, 125 Vac; 1⁄4 HP, 250 Vac;
UL Code L95
P
SPDT
1 A, 125 Vac
UL Code L22
T
Two-circuit,
double
break
Motor Control
15 A, 120, 240, 480 or 600 Vac;
1⁄2 HP, 120 Vac; 1 HP, 240 Vac;
0.8 amp, 115 Vdc; 0.4 amp, 230 Vdc.
SPST
20 A, 125, 250 or 277 Vac;
3⁄4 HP, 125 Vac; 1⁄2 HP, 250 Vac
UL Code L178B
SPDT
15 A, 125, 250 or 480 Vac;
2 A, 600 Vac; 1⁄8 HP, 125 Vac;
1⁄4 HP, 250 Vac; 1⁄2 amp, 125 Vdc;
1⁄4 amp, 250 Vdc. UL Code L74
F
G
W
X
Y = Single pole, normally open
The second letter in the catalog listing designates:
M = 22 A version
A = Standard, 20 A version
E = 25 A version
mounting dimensions
Mounting dimensions are included in this datasheet. They are
shown in English and metric equivalents. These dimensions are
for reference only. Engineering drawings may be accessed via the
Honeywell S&C web site: sensing.honeywell.com.
Mounting holes for Types BZ, BM,BA, BE, and 6AS switches accept
pins or screws of 3,53 mm [0.139 in] diameter.
RECOMMENDED TORQUE
Mounting screws . . . . . . . . . . . . . . . . . . . . . . . . 0,39 Nm [3 in-lb]*
Terminal screws.. . . . . . . . . . . . . . . . . . . . . . . . . . 0,45 Nm [4 in-lb]
Panel mount bushing. . . . . 0,45 Nm to 0,68 Nm [4 in-lb to 6 in-lb]
*Note: Tightening mounting screws above 0,3 Nm [3 in-lb] changes
operating characteristics and increases the possibility of cracking
the case.
ul/csa
Honeywell basic switches are Component Recognized by
Underwriters’ Laboratories, Inc. and certified by Canadian
Standards Association. The BA, BZ, and BM line is covered
as Special Use Switches to UL Standard1054; the BE line is
covered as an Industrial Product to UL Standard 508. Agency File
References are:
• BA UL File E12252, issued 12-09-88
• BM UL File E12252, issued 12-08-88
• BZ UL File E12252, issued 6-29-89
• BE-1,2,5 UL File E22779, Vol. 4, Sec. 1
• BE-R UL File E22779, Vol. 4, Sec. 2
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sensing.honeywell.com
MICRO SWITCH™ Premium Large Basic Switches
O.F. • Operating force
R.F. • Release force
P.T. • Pretravel
O.T. • Overtravel
D.T. • Differential travel
O.P. • Operating position
Electrical
Data and
UL Codes
ORDER GUIDE BY ASCENDING ELECTRICAL CAPABILITY
O.F.
N [oz]
R.F.
min.
N [ oz]
P.T.
max.
mm
[in]
O.T.
min.
mm
[in]
D.T.
mm [in]
O.P.***
mm [in]
1A
P
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
0,13
[0.005]
0,01 to 0,05
[0.0004 to 0.0020]
15,88
[0.625]
Gold alloy contacts
BZ-2R725551-A2 Dustproof and splash
resistant seal
1A
P
2,22 to 4,17
[8 to 15]
1,11
[4]
–
0,13
[0.005]
0,01 to 0,06
[0.0004 to 0.0025]
15,88
[0.625]
BZ-2R244-A2
Operating in temp. to
204 °C [400 °F] for
100 hours
5A
B
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
0,13
[0.005]
0,01 to 0,05
[0.0004 to 0.0020]
15,88
[0.625]
BZ-R21-A2
Lower force
10 A
C
1,11
[4]
0,7
[2.5]
0,30
[0.012]
0,13
[0.005]
0,005 to 0,013
[0.0002 to 0.0005]
15,88
[0.625]
BZ-2R-A2
Most applications
SPDT
15 A
A
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
0,13
[0.005]
0,01 to 0,05
[0.0004 to 0.0020]
15,88
[0.625]
WZ-2R-A2
SPST (normally
closed)
15 A
A
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
0,13
[0.005]
0,01 to 0,05
[0.0004 to 0.0020]
15,88
[0.625]
YZ-2R-A2
SPST (normally open)
15 A
A
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
0,13
[0.005]
0,01 to 0,05
[0.0004 to 0.0020]
15,88
[0.625]
BZ-R-A2
Less differential travel
15 A
D
1,95 to 2.5
[7 to 9]
1,11
[4]
0,30
[0.012]
0,13
[0.005]
0,005 to 0,008
[0.0002 to 0.0003]
15,88
[0.625]
BZ-R19-A2
Best repeatability
15 A
D
1,95 to 3,34
[7 to 12]
1,11
[4]
0,30
[0.012]
0,13
to 0,2
[0.005
to
0.008]
0,005 to 0,02
[0.0002 to 0.0008]
16,26
[0.640]
BZ-2R24-A2
Operating in temp. to
121 °C [250 °F]
15 A
A
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
0,13
[0.005]
0,01 to 0,05
[0.0004 to 0.0020]
15,88
[0.625]
BZ-2RT04
(M8805/1-004)
MIL-PRF-8805 application requirements
15 A
A
2,5 to 3,61
[9 to 13]
1,67
[6]
0,38
[0.015]
0,13
[0.005]
0,01 to 0,05
[0.0004 to 0.0020]
15,88
[0.625]
BZ-2R05-A2
Stability under
varying humidity
15 A
A
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
0,13
[0.005]
0,01 to 0,05
[0.0004 to 0.0020]
15,88
[0.625]
BZ-2R5551-A2
Dustproof and splash
resistant seal
15 A
A
2,5 to 4,17
[9 to 15]
1,11
[4]
–
0,13
[0.005]
0,01 to 0,06
[0.0004 to 0.0025]
15,88
[0.625]
BZ-2R55-A2-S
Sealed construction.
Stainless steel internal
snapspring
15 A
A
2,5 to 4,17
[9 to 15]
1,11
[4]
–
0,13
[0.005]
0,01 to 0,06
[0.0004 to 0.0025]
15,88
[0.625]
BA-2R-A2
Up to 20 ampere load
20 A
G
3,89 to 6,12
[14 to 22]
2,78
[10]
1,27
[0.050]
0,25
[0.10]
0,05 to 0,19
[0.0020 to 0.0075]
16,26
[0.640]
BA-2R24-A2
Operating in temp. to
121 °C [250 °F]
20 A
G
3,89 to 6,12
[14 to 22]
2,78
[10]
1,27
[0.050]
0,25
[0.10]
0,05 to 0,19
[0.0020 to 0.0075]
16,26
[0.640]
BM-1R-A2
Up to 22 ampere load
22 A
F
1,95 to 2,78
[7 to 10]
1,11
[4]
0,38
[0.015]
0,13
[0.005]
0,013 to 0,025
[0.0005 to 0.0010]
15,88
[0.625]
BE-2R-A4
Up to 25 ampere load,
#8 screw terminals
25 A
H
3,89 to 6,12
[14 to 22]
2,78
[10]
1,27
[0.050]
0,25
[0.10]
0,05 to 0,19
[0.0020 to 0.0075]
16,26
[0.640]
BZ-RX
Manual reset, solder
terminals
15 A
E
1,95 to 2,5
[7 to 9]
0,56 to 2,78*
[2 to 10]
–
0,30
[0.012]
–
0,13
[0.005]
0,38*
0.015]
–
15,88
[0.625]
WA-1RX-A4
Manual reset
SPST-NC, #8 screw
terminals
20 A
W
5,56 [20]
6,95 [25]*
–
–
0,25
[0.010]
–
0,20
[0.008]
–
16,26 [0.64]
27,9*[1.10]
Catalog
Listing
BZ-2R72-A2**
BZ/BA type
BZ/BA Type
Recommended
For
Applications requiring
gold alloy contacts
Sealed type
Sealed type
BA/BE type
Manual Reset
* Reset characteristics
** -A2 is supplied with #6 terminal screws
*** Except where stated, ±0,38 mm [±0.015 in]
sensing.honeywell.com
7
BZ | BA | BM | BE | 6AS Series
O.F. • Operating force
R.F. • Release force
P.T. • Pretravel
O.T. • Overtravel
D.T. • Differential travel
O.P. • Operating position
Overtravel plunger ORDER GUIDE
O.T.
min.
mm
[in]
D.T.
mm [in]
O.P.*
mm [in]
Electrical
Data and
UL Codes
P.T.
max.
mm
[in]
BZ-2RD72-A2
Applications requiring
gold alloy contacts
1A
P
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
1,52
[0.060]
0,01 to 0,05
[0.0004 to 0.0020]
21,21
[0.835]
BZ-2RD-A2
Added overtravel. For
manual operation and
slow 20° (max) cam rise
15 A
A
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
1,52
[0.060]
0,01 to 0,05
[0.0004 to 0.0020]
21,21
[0.835]
BZ-2RD24-A2
Operating in temperature
to 121 °C [250 °F]
15 A
A
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
1,52
[0.060]
0,01 to 0,05
[0.0004 to 0.0020]
21,21
[0.835]
BM-1RD-A2
Up to 22 ampere load
22 A
F
1,95 to 2,78
[7 to 10]
1,11
[4]
0,38
[0.015]
1,52
[0.060]
0,013 to 0,025
[0.0005 to 0.0010]
21,21
[0.835]
BZ-2RDS725551-A2
Applications requiring
gold alloy contacts plus
dustproof and splash
resistant seal
1A
P
3,61 to 5,28
[13 to 19]
1,11
[4]
–
1,52
[0.060]
0,01 to 0,063
[0.0004 to 0.0025]
28,20
[1.110]
BZ-2RDS5551-A2
Dustproof and splash
resistant seal
15 A
A
3,61 to 5,28
[13 to 19]
1,11
[4]
–
1,52
[0.060]
0,01 to 0,063
[0.0004 to 0.0025]
28,20
[1.110]
BA-2RB-A2
Up to 20 ampere load
20 A
G
3,89 to 6,12
[14 to 22]
2,78
[10]
1,27
[0.050]
2,39
[0.094]
0,05 to 0,019
[0.0020 to 0.0075]
26,20
[1.03]
BE-2RB-A4
Up to 25 ampere load,
#8 screw terminals
25 A
H
3,89 to 6,12
[14 to 22]
2,78
[10]
1,27
[0.050]
2,39
[0.094]
0,05 to 0,019
[0.0020 to 0.0075]
26,20
[1.03]
BZ-2RS72-A2
Applications requiring
gold alloy contacts
1A
P
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
1,52
[0.060]
0,01 to 0,05
[0.0004 to 0.0020]
28,20
[1.110]
BZ-2RS-A2
Added overtravel. For
in-line operation and
with JR aux. actuators
15 A
A
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
1,52
[0.060]
0,01 to 0,063
[0.0004 to 0.0025]
28,20
[1.110]
BZ-2RS24-A2
Operating in temperature
to 121 °C [250 °F]
15 A
A
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
1,52
[0.060]
0,01 to 0,05
[0.0004 to 0.0020]
28,20
[1.110]
BZ-2RST04
(M8805/1-012)
MIL-PRF-8805 application
requirements
15 A
A
2,5 to 3,61
[9 to 13]
1,67
[6]
0,38
[0.015]
1,52
[0.060]
0,01 to 0,05
[0.0004 to 0.0020]
28,20
[1.110]
BZ-RSX
Manual reset
solder terminals
15 A
E
1,95 to 2,64
[7 to 9]
–
0,30
[0.012]
0,65
[0.025]
–
2,79
[1.11]
BM-1RS-A2
Up to 22 ampere load
22 A
F
1,95 to 2,78
[7 to 10]
1,11
[4]
0,38
[0.015]
1,52
[0.060]
0,013 to 0,025
[0.0005 to 0.0010]
28,20
[1.110]
BZ-2RS7225551-A2
Applications requiring gold
alloy contacts plus
dustproof and splash
resistant seal
1A
P
2,5 to 4,17
[9 to 15]
1,11
[4]
–
1,52
[0.060]
0,01 to 0,063
[0.0004 to 0.0025]
28,20
[1.110]
BZ-2RS5551-A2
Dustproof and splash
resistant seal
15 A
A
2,5 to 4,17
[9 to 15]
1,11
[4]
–
1,52
[0.060]
0,01 to 0,063
[0.0004 to 0.0025]
28,20
[1.110]
Catalog Listing
* ±51 mm [±0.020 in]
8
R.F.
min.
N [ oz]
O.F.
N [oz]
sensing.honeywell.com
Recommended
For
MICRO SWITCH™ Premium Large Basic Switches
O.F. • Operating force
R.F. • Release force
P.T. • Pretravel
O.T. • Overtravel
D.T. • Differential travel
O.P. • Operating position
Overtravel plunger ORDER GUIDE
P.T.
max.
mm
[in]
O.T.
min.
mm
[in]
D.T.
mm [in]
O.P.**
mm [in]
Electrical
Data and
UL Codes
R.F.
min.
N [ oz]
O.F.
N [oz]
BZ-2RQ-A2
Added overtravel. For
manual in-line operation
and for slow 30° (max)
rise cams
15 A
A
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
5,56
[0.219]
0,01 to 0,05
[0.0004 to 0.0020]
38,10 ±0,51
[1.50 ±0.02]
BZ-2RQ24-A2
Operating in temperature
to 121 °C [250 °F]
15 A
A
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
5,56
[0.219]
0,01 to 0,05
[0.0004 to 0.0020]
38,10 ±0,51
[1.50 ±0.02]
BZ-2RQ172-A2
Applications requiring
gold alloy contacts
1A
P
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
5,56
[0.219]
0,01 to 0,05
[0.0004 to 0.0020]
21,82
[0.859]
BZ-2RQ1-A2
BZ-2RQ-A2 type applications with panel mount
15 A
A
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
5,56
[0.219]
0,01 to 0,05
[0.0004 to 0.0020]
21,82
[0.859]
BZ-2RQ1T04
(M8805/1-020)
MIL-PRF-8805 application
requirements
15 A
A
2,5 to 3,61
[9 to 13]
1,67
[6]
0,38
[0.015]
5,56
[0.219]
0,01 to 0,05
[0.0004 to 0.0020]
21,82
[0.859]
BZ-2RQ124-A2
Operating in temperature
to 121 °C [250 °F]
15 A
A
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
5,56
[0.219]
0,01 to 0,05
[0.0004 to 0.0020]
21,82
[0.859]
BZ-2RN702
Furnished with
unassembled seal
boot.
15 A
X
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
3,18
[0.125]
0,01 to 0,05
[0.0004 to 0.0020]
48,4 ±0,50
1.906 [±0.02]
Catalog
Listing
Recommended
For
BZ-RQ1X
Manual reset.
Solder terminals
15 A
E
1,67 to 2,64
[6 to 9.5]
–
0,30
[0.012]
5,56
[0.219]
–
23,42 ±1,14
[0.922
±0.045]
7,14*
[0.281*]
BA-2RQ1-A2
Up to 20 ampere load
20 A
G
3,89 to 6,12
[14 to 22]
2,78
[10]
1,27
[0.050]
5,56
[0.219]
0,05 to 0,19
[0.0020 to 0.0075]
21,82
[0.859]
BM-1RQ1-A2
Up to 22 ampere load
22 A
F
1,95 to 2,78
[7 to 10]
1,11
[4]
0,38
[0.015]
5,56
[0.219]
0,013 to 0,025
[0.0005 to 0.0010]
21,82
[0.859]
BZ-2RQ1872-A2
Applications requiring gold
alloy contacts
1A
P
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
3,56
[0.140]
0,01 to 0,05
[0.0004 to 0.0020]
33,32 ±1,14
[1.31 ±0.045]
BZ-2RQ18-A2
Added overtravel. Roller
plunger for rapid cam (30°
max) rise and slide
operation. Panel mount
15 A
A
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
3,56
[0.140]
0,01 to 0,05
[0.0004 to 0.0020]
33,32 ±1,14
[1.31 ±0.045]
BZ-2RQ1824-A2
Operating in temperature
to 121 °C [250 °F]
15 A
A
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
3,56
[0.140]
0,01 to 0,05
[0.0004 to 0.0020]
33,32 ±1,14
[1.31 ±0.045]
BZ-2AQ18T1
Double-break circuitry
15 A
T
3,89 to 6,68
[14 to 24]
1,11
[4]
0,69
[0.025]
3,58
[0.141]
0,03 to 0,10
[0.001 to 0.004]
33,35 ±1,19
[1.31 ±0.047]
BM-1RQ18-A2
Up to 22 ampere load
22 A
F
1,95 to 2,78
[7 to 10]
1,11
[4]
0,38
[0.015]
3,56
[0.140]
0,013 to 0,025
[0.0005 to 0.0010]
33,32 ±1,14
[1.31 ±0.045]
BZ-2RQ181-A2
Applications requiring
roller plunger 90° to major
axis of switch
15 A
A
2,5 to 3,61
[9 to 13]
1,11
[4]
0,38
[0.015]
3,56
[0.140]
0,01 to 0,05
[0.0004 to 0.0020]
33,32 ±1,14
[1.31 ±0.045]
* Reset characteristics
** Except where stated, ±0,76 mm [±0.030 in]
sensing.honeywell.com
9
BZ | BA | BM | BE | 6AS Series
O.F. • Operating force
R.F. • Release force
P.T. • Pretravel
O.T. • Overtravel
D.T. • Differential travel
O.P. • Operating position
Electrical
Data and
UL Codes
STRAIGHT LEVER ORDER GUIDE
O.F.
N [oz]
R.F.
min.
N [ oz]
P.T.
max.
mm
[in]
O.T.
min.
mm
[in]
D.T.
mm [in]
O.P.**
mm [in]
1A
P
0,7
[2.5]
0,14
[0.5]
–
5,56
[0.219]
0,18 to 1,27
[0.007 to 0.050]
19,1
[0.750]
Stability under varying humidity. Gold alloy contacts
with seal
1A
P
0,7
[2.5]
0,14
[0.5]
–
5,56
[0.219]
0,18 to 1,27
[0.007 to 0.050]
19,1
[0.750]
BZ-2RW8244-A2
Operating in temp.
to 204 °C [400 °F]
for 100 hours
5A
B
0,7
[2.5]
0,14
[0.5]
–
5,56
[0.219]
0,18 to 1,27
[0.007 to 0.050]
19,1
[0.750]
BZ-RW8435-A2
Lowest operating
force (without external
return spring)
10 A
I
0,07
[0.25[
–
6,76
[0.266]
5,56
[0.219]
0,08 to 0,38
[0.003 to 0.015]
19,1
[0.750]
BZ-2RW876T
1.25-inch lever
15 A
A
1,67
[6]
0,42
[1.5]
–
0,42
[0.141]
0,10 to 0,63
[0.004 to 0.025]
19,1
[0.750]
BZ-2RW80-A2
2.5-inch lever
15 A
A
0,7
[2.5]
0,14
[0.5]
–
5,56
[0.219]
0,18 to 1,27
[0.007 to 0.050]
19,1
[0.750]
BZ-2RW84-A2
Lower force (without
external return spring)
15 A
A
0,28
[1]
0,03
[0.125]
8,33
[0.328]
5,56
[0.219]
0,18 to 1,27
[0.007 to 0.050]
19,1
[0.750]
BZ-2RW805551A2
Dustproof and
splash resistant seal
15 A
A
0,7
[2.5]
0,14
[0.5]
–
5,56
[0.219]
0,18 to 1,27
[0.007 to 0.050]
19,1
[0.750]
BZ-2RWT04
(M8805/1-044)
MIL-PRF-8805
application requirements
15 A
A
0,28 to 0,90
[1 to 3.25]
0,21
[0.75]
7,52
[0.296]
4,37
[0.172]
2,36
[0.093]
19,1
[0.750]
BZ-2RW824-A2
Operating in temperature
to 121 °C [250 °F]
15 A
A
0,7
[2.5]
0,14
[0.5]
–
5,56
[0.219]
0,18 to 1,27
[0.007 to 0.050]
19,1
[0.750]
BZ-RW80X
Manual reset, solder
terminals
15 A
E
0,63
[2.25]
–
–
5,56
[0.219]
0,38*
[0.015]
–
19,05
[0.750]
7,14*
[0.281]
BZ-2RW863-A2
6-inch lever
15 A
A
0,28
[1]
–
–
12,7
[0.50]
0,46 to 3,68
[0.018 to 0.145]
19,1 ±1,52
[0.75 ±0.06]
BA-2RV-A2
Up to 20 ampere load
20 A
G
0,7
[2.5]
0,14
[0.5]
15,88
[0.625]
1,98
[0.078]
2,77 max.
[0.109] max.
19,1
[0.750]
BM-1RW84-A2
Up to 22 ampere load
22 A
F
0,28
[1]
0,03
[0.125]
7,54
[0.297]
5,56
[0.219]
0,13 to 0,84
[0.005 to 0.033]
19,1
[0.750]
BE-2RV-A4
Up to 25 ampere load
#8 screw terminals
25 A
H
0,7
[2.5]
0,14
[0.5]
15,88
[0.625]
1,98
[0.078]
2,77 max.
[0.109] max.
19,1
[0.750]
BZ-2RW899-A2
Adjustable operating point
17 mm to 22 mm [0.67 in
to 0.88 in]
15 A
A
0,7
[2.5]
0,14
[0.5]
–
3,54***
[0.125]
0,18 to 1,27
[0.007 to 0.050]
17,02 to
22,35
[0.670 to
0.880]
BZ-2RM-A2
Reverse acting actuator
(switch plunger depressed
in free position)
15 A
A
1,67
[6]
0,28
[1]
5,56
[0.219]
5,56
[0.219]
0,10 to 0,89
[0.004 to 0.035]
19,1
[0.750]
Catalog
Listing
Recommended
For
BZ-2RW8072-A2
Applications requiring gold
alloy contacts
BZ2RW80722555105A2
* Reset characteristics
** except where stated ±0,76 mm [±0.030 in]
*** from 17 mm [0.670 in] O.P.
10
sensing.honeywell.com
MICRO SWITCH™ Premium Large Basic Switches
SIMULATED ROLLER AND ROLLER LEVER ORDER GUIDE
O.F. • Operating force
R.F. • Release force
P.T. • Pretravel
O.T. • Overtravel
D.T. • Differential travel
O.P. • Operating position
P.T.
max.
mm
[in]
O.T.
min.
mm
[in]
D.T.
mm [in]
O.P.**
mm [in]
Electrical
Data and
UL Codes
R.F.
min.
N [ oz]
O.F.
N [oz]
BZ-2RW80147A2
1.05 inch (26,7 mm)
(simulated roller)
lever applications
15 A
A
1,67
[6]
0,42
[1.5]
–
2,39
[0.094]
0,08 to 0,51
[0.003 to 0.020]
30,17
[1.188]
BZ-2RW80196-A2
1.90 inch (48,3 mm)
(simulated roller)
lever applications
15 A
A
0,97
[3.5]
0,21
[0.75]
–
3,96
[0.156]
0,10 to 1,0
[0.004 to 0.040]
30,17 ±0,76
[1.188
±0.03]
BZ-2RW82272A2
Applications
requiring gold alloy
contacts
1A
P
1,67
[6]
0,42
[1.5]
–
2,39
[0.094]
0,08 to 0,51
[0.003 to 0.020]
30,17
[1.188]
BZ2RW822725551A2
Apps requiring gold alloy
contacts plus dustproof
and splash resistant seal
1A
P
1,67
[6]
0,42
[1.5]
–
2,39
[0.094]
0,08 to 0,51
[0.003 to 0.020]
30,17
[1.188]
BZ-2RW822-A2
26,7 mm [1.05 in] mm)
roller lever
15 A
A
1,67
[6]
0,42
[1.5]
–
2,39
[0.094]
0,08 to 0,51
[0.003 to 0.020]
30,17
[1.188]
BZ-2RW8222-A2
Roller turned 90°
15 A
A
0,7 to 1,81
[2.5 to 6.5]
0,35
[1.25]
–
3,58
[0.141]
max.
0,08 to 0,51
[0.003 to 0.020]
30,75
[1.25]
1,67
[6]
0,42
[1.5]
–
121 °C [250 °F]
15 A
A
2,39
[0.094]
0,08 to 0,51
[0.003 to 0.020]
30,17
[1.188]
BZ2RW8225551-A2
Dustproof and
splash resistant seal
15 A
A
1,67
[6]
0,42
[1.5]
–
2,39
[0.094]
0,08 to 0,51
[0.003 to 0.020]
30,17
[1.188]
BZ2RW82255-A2-S
Best service for
sealed construction.
Stainless steel
internal snap spring.
15 A
A
1,67
[6]
0,42
[1.5]
–
2,39
[0.094]
0,08 to 0,51
[0.003 to 0.020]
30,17
[1.188]
BA-2RV22-A2
Up to 20 ampere load
20
G
1,67
[6]
0,42
[1.5]
6,35
[0.250]
0,76
[0.030]
1,14
[0.045] max.
29,77
[1.172]
BM-1RW822-A2
Up to 22 ampere load
22
F
1,67
[6]
0,42
[1.5]
–
2,39
[0.094]
0,025 to 0,33
[0.001 to 0.013]
30,17
[1.188]
#8 screw terminals
25
H
1,67
[6]
0,42
[1.5]
6,35
[0.250]
0,76
[0.030]
1,14
[0.045] max.
29,77
[1.172]
BZ-2RW82299A2
Adjustable operating
point. Roller lever
1.05 inch (26,7 mm)
15 A
A
1,67
[6]
0,42
[1.5]
–
1,02
[0.040]
0,08 to 0,51
[0.003 to 0.020]
29,77 to
30,56
[1.172 to
1.203]
BZ-2RW8299-A2
Adjustable operating
point. Roller lever
1.90 inch (48,3 mm)
15 A
A
0,97
[3.5]
0,21
[0.75]
–
2,16
[0.085]
0,10 to 1,0
[0.004 to 0.040]
29,2 to 31,5
[1.150 to
1.24]
Catalog
Listing
BZ-2RW82224A2
BE-2RV22-A4
Recommended
For
Operating in
temperature to
Up to 25 ampere load,
** except where stated ±0,38 mm [±0.015 in]
sensing.honeywell.com
11
BZ | BA | BM | BE | 6AS Series
O.F. • Operating force
R.F. • Release force
P.T. • Pretravel
O.T. • Overtravel
D.T. • Differential travel
O.P. • Operating position
roller LEVER ORDER GUIDE
P.T.
max.
mm
[in]
O.T.
min.
mm
[in]
D.T.
mm [in]
O.P.**
mm [in]
Electrical
Data and
UL Codes
R.F.
min.
N [ oz]
O.F.
N [oz]
BZ2RW82725551A2
Applications requiring
gold alloy contacts,
plus dustproof, and
splash resistant seal
1A
P
0,97
[3.5]
0,21
[0.75]
–
3,96
[0.156]
0,10 to 1,0
[0.004 to 0.040]
30,17 ±0,76
[1.188
±0.030]
BZ-2RW82-A2
1.90 inch (48,3 mm)
(steel roller) lever
applications
15 A
A
0,97
[3.5]
0,21
[0.75]
–
3,96
[0.156]
0,10 to 1,0
[0.004 to 0.040]
30,17 ±0,76
[1.188
±0.030]
BZ-2RW825551A2
Dustproof and splash
resistant seal
15 A
A
0,97
[3.5]
0,21
[0.75]
–
3,96
[0.156]
0,10 to 1,0
[0.004 to 0.040]
30,17 ±0,76
[1.188
±0.030]
BZ-2RW8224-A2
Operating in temperature
to 121 °C [250 °F]
15 A
A
0,97
[3.5]
0,21
[0.75]
–
3,96
[0.156]
0,10 to 1,0
[0.004 to 0.040]
30,17 ±0,76
[1.188
±0.030]
BA-2RV2-A2
Up to 20 ampere load
20 A
G
0,97
[3.5]
0,14
[0.5]
11,89
[0.468]
1,52
[0.060]
2,16
[0.085]
30,17 ±0,76
[1.188
±0.030]
BM-1RW82-A2
Up to 22 ampere load
22 A
F
0,97
[3.5]
0,21
[0.75]
–
3,96
[0.156]
0,08 to 0,56
[0.003 to 0.022]
30,17 ±0,76
[1.188
±0.030]
#8 screw terminals
25 A
H
0,97
[3.5]
0,14
[0.5]
11,89
[0.468]
1,52
[0.060]
2,16
[0.085]
30,17 ±0,76
[1.188
±0.030]
BZ-RW922-A2
Best repeatability and
O.P. stability
10 A
I
3,34
[12]
1,11
[4]
0,35
[0.015]
2,54
[0.100]
0,013 to 0,025
[0.0005 to 0.0010]
31,37
[1.235]
BZ-2RW826-A2
One-way roller 9,4
mm x 3,8 mm [0.37 in
dia. x 0.15 in] wide roller
15 A
A
1,67
[6]
0,42
[1.5]
–
2,39
[0.094]
0,08 to 0,51
[0.003 to 0.020]
41,34
[1.625]
BZ-2RW825-A2
One-way roller 4,83
mm x 4,83 mm [0.19 in
dia. x 0.19 in] wide roller
15 A
A
2,22
[8]
0,42
[1.5]
–
1,52
[0.060]
0,38
[0.015]
28,96
[1.14]
Catalog
Listing
BE-2RV2-A4
Recommended
For
Up to 25 ampere load,
NOTE: For adjustable operate point and simulated roller lever switches, refer to previous page.
** except where stated ±0,38 mm [±0.015 in]
12
sensing.honeywell.com
MICRO SWITCH™ Premium Large Basic Switches
O.F. • Operating force
R.F. • Release force
P.T. • Pretravel
O.T. • Overtravel
D.T. • Differential travel
O.P. • Operating position
FLEXIBLE LEAF AND FLEXIBLE ROLLER LEAF ORDER GUIDE
P.T.
max.
mm
[in]
O.T.
min.
mm
[in]
D.T.
mm [in]
max.
O.P.**
mm [in]
Electrical
Data and
UL Codes
R.F.
min.
N [ oz]
O.F.
N [oz]
BZ-2RL-A2
Force and stability of the
flexible leaf actuator
15 A
A
1,39
[5]
0,14
[0.5]
–
1,52
[0.060]
1,27
[0.050]
17,48
[0.688]
BZ-2RL5551-A2
Dustproof and splash
resistant seal
15 A
A
1,95
[7]
0,14
[0.5]
–
1,52
[0.060]
1,27
[0.050]
17,48
[0.688]
BZ-2RLT04
(M8805/1-001)
MIL-PRF-8805 application
requirements
15 A
A
1,39
[5]
0,14
[0.5]
–
1,52
[0.060]
1,27
[0.050]
17,48
[0.688]
BZ-2RL24-A2
Operating in temperature
to 121 °C [250 °F]
15 A
A
1,39
[5]
0,14
[0.5]
–
1,52
[0.060]
1,27
[0.050]
17,48
[0.688]
BZ-RLX
Manual reset.
Solder terminals
15 A
E
0,83
[3]
–
–
1,57
[0.062]
0,38*
[0.015]
–
17,48
[0.688]
7,14*
[0.281]
BA-2RL-A2
Up to 20 ampere load
20 A
G
2,5
[9]
0,28
[1]
–
1,57
[0.062]
1,57
[0.062]
17,48
[0.688]
#8 screw terminals
25 A
H
2,5
[9]
0,28
[1]
–
1,57
[0.062]
1,57
[0.062]
17,48
[0.688]
BZ-RL24-A2
Operating in temp. to 121
°C [250 °F] for 100 hours
5A
B
1,39
[5]
0,14
[0.5]
–
1,52
[0.060]
1,27
[0.050]
28,6
[1.125]
BZ-2RL2-A2
Force and stability of the
flexible leaf with roller
15 A
A
1,39
[5]
0,14
[0.5]
–
1,52
[0.060]
1,27
[0.050]
28,6
[1.125]
BZ-2RL25551A2
Dustproof and splash
resistant seal
15 A
A
1,95
[7]
0,14
[0.5]
–
1,52
[0.060]
1,27
[0.050]
28,6
[1.125]
BZ-2RL2T04
(M8805/1-036)
MIL-PRF-8805 application
requirements
15 A
A
1,04 to 1,39
[3.75 to 5]
0,14
[0.5]
–
1,52
[0.060]
1,27
[0.050]
28,6
[1.125]
BA-2RL2-A2
Up to 20 ampere load
20 A
G
2,5
[9]
0,28
[1]
–
1,52
[0.060]
1,65
[0.065]
28,6
[1.125]
25 A
H
2,5
[9]
0,28
[1]
–
1,52
[0.060]
1,65
[0.065]
28,6
[1.125]
Catalog
Listing
BE-2RL-A4
BE-2RL2-A4
Recommended
For
Up to 25 ampere load,
Up to 25 ampere load,
#8 screw terminals
NOTE: For adjustable operate point and simulated roller lever switches, refer to previous page.
** except where stated ±0,76 mm [±0.030 in]
sensing.honeywell.com
13
BZ | BA | BM | BE | 6AS Series
STANDARD ACTUATOR OPTIONS, TERMINALS, & DIMENSIONS
BZ/BM Series: Pin plunger
2,3 mm [0.09 in] dia
15,0 mm
[0.59 in]
3,6 mm
[0.14 in]
4,3 mm
[0.17 in]
dia.
25,4 mm
[1.00 in]
49,3 mm
[1.94 in]
11,9 mm
[0.47 in]
9,1 mm
[0.36 in]
3,6 mm
[0.14 in]
dia.
16,2 mm
[0.64 in]
O.P.
7,11 mm [0.28 in] dia.
4,06 mm
[0.16 in]
21,1 mm
[0.83 in]
O.P.
14,5 mm
[0.57 in]
9,1 mm
[0.36 in]
4,3 mm
[0.17 in]
dia.
25,4 mm
[1.00 in]
49,3 mm
[1.94 in]
11,9 mm
[0.47 in]
3,6 mm
[0.14 in]
3,6 mm
[0.14 in]
dia.
12,7 mm
[0.05 in]
max.
P.T.
3,6 mm
[0.14 in]
4,3 mm
[0.17 in]
dia.
14
sensing.honeywell.com
5,3 mm
[0.21 in]
23,37 mm [0.92 in]
49,3 mm
[1.94 in]
SST plunger
3,6 mm
[0.14 in]
4,3 mm
[0.17 in]
dia.
7,62 mm
[0.30 in]
19,05 mm
[0.75 in]
26,1 mm
[1.03 in]
O.P.
1,27 mm 21,8 mm
[0.05 in] [0.86 in]
O.P.
max.
P.T.
14,5 mm
[0.57 in]
9,1 mm
[0.36 in]
25,4 mm
[1.00 in]
15,0 mm [0.59 in] dia.
14,9 mm
5,3 mm
[0.21 in] [0.59 in]
9,1 mm
[0.36 in]
25,4 mm
[1.00 in]
3,6 mm
[0.14 in]
dia.
BA/BE Series: Bushing-mount overtravel plunger
13,2 mm
[0.52 in]
11,9 mm
[0.47 in]
16,0 mm
[0.63 in]
7,1 mm
[0.28 in]
dia.
49,3 mm [1.94 in]
Plated steel plunger
8,1 mm
[0.32 in]
dia.
21,8 mm
[0.86 in]
O.P.
3,6 mm
[0.14 in]
dia.
49,3 mm
[1.94 in]
BZ/BM Series: Bushing-mount overtravel plunger
0,2 mm
[0.01 in]
max.
P.T.
25,4 mm
[1.00 in]
BA/BE Series: Overtravel plunger
Plated steel plunger
23,37 mm
[0.92 in]
9,1 mm
[0.36 in]
3,6 mm
[0.14 in]
4,3 mm
[0.17 in]
dia.
BZ/BM Series: Overtravel plunger
0,25 mm
[0.01 in]
max.
13,5 mm
P.T.
[0.53 in]
dia.
5,3 mm 15,0 mm
[0.21 in] [0.59 in]
11,9 mm
[0.47 in]
15,7 mm
[0.62 in]
O.P.
2,3 mm [0.09 in] dia
SST plunger
19,05 mm [0.75 in]
11,9 mm
[0.47 in]
23,37 mm
[0.92 in]
1,27 mm
[0.05 in]
P.T.
SST plunger
3,6 mm
[0.14 in]
dia.
16,0 mm
[0.63 in]
3,6 mm
[0.14 in]
4,3 mm
[0.17 in]
dia.
Plated steel plunger
8,1 mm
[0.32 in]
dia.
13,2 mm
[0.52 in]
5,3 mm 14,5 mm
[0.21 in] [0.57 in]
19,05 mm [0.75 in]
9,1 mm
[0.36 in]
25,4 mm
[1.00 in]
49,3 mm
[1.94 in]
11,9 mm
[0.47 in]
0,2 mm
[0.01 in]
P.T.
BA/BE Series: Pin plunger
3,6 mm
[0.14 in]
dia.
MICRO SWITCH™ Premium Large Basic Switches
standard ACTUATOR OPTIONS, TERMINALS, & DIMENSIONS
BZ/BM Series: Flexible leaf actuator
45,2 mm
[1.78 in]
SST lever
20,5 mm 17,5 mm
[0.81 in] [0.69 in]
F.P.
O.P.
5,3 mm 14,7 mm
[0.21 in] [0.58 in]
3,6 mm
[0.14 in]
4,3 mm
[0.17 in]
dia.
11,9 mm
[0.47 in]
9,1 mm
[0.36 in]
25,4 mm
[1.00 in]
49,3 mm
[1.94 in]
3,6 mm
[0.14 in]
dia.
SST lever
25,4 mm
[1.00 in] 17,5 mm
[0.69 in]
F.P.
O.P.
5,3 mm 14,7 mm
[0.21 in] [0.58 in]
9,1 mm
[0.36 in]
3,6 mm
[0.14 in]
4,3 mm
[0.17 in]
dia.
BZ/BM Series: Straight lever with external return spring
11,9 mm
[0.47 in]
49,5 mm
[1.95 in]
BA/BE Series: Flexible leaf actuator
25,4 mm
[1.00 in]
49,3 mm
[1.94 in]
3,6 mm
[0.14 in]
dia.
BA/BE Series: Straight lever
9,6 mm
[0.38 in]
63,5 mm
[2.50 in]
R
63,5 mm
[2.50 in]
R
5,3 mm
[0.21 in]
19,1
0.75
O.P.
27,2 mm
[1.07 in]
F.P.
25,4 mm
[1.00 in]
49,3 mm
[1.94 in]
11,9 mm
[0.47 in]
9,1 mm
[0.36 in]
3,6 mm
[0.14 in]
dia.
20,8 mm
[0.82 in] 16,5 mm
[0.69 in]
3,6 mm
[0.14 in]
4,3 mm
[0.17 in]
dia.
3,6 mm
[0.14 in]
dia.
SST plunger
19,05 mm [0.75 in]
SST roller
16,2 mm
[0.64 in]
O.P.
32,0 mm
29,9 mm [1.26 in]
F.P.
5,3 mm [1.18 in]
[0.21 in] O.P.
20,0 mm
[0.79 in]
11,9 mm
[0.47 in]
9,1 mm
[0.36 in]
49,3 mm
[1.94 in]
25,4 mm
[1.00 in]
49,3 mm
[1.94 in]
2,3 mm [0.09 in] dia
[1.05 in]
R
25,4 mm
[1.00 in]
34,8 mm
[1.37 in]
F.P.
Pin plunger with manual reset
25,9 mm
[1.02 in]
3,6 mm
[0.14 in]
4,3 mm
[0.17 in]
dia.
19,0 mm
[0.75 in]
O.P.
9,1 mm
[0.36 in]
BZ/BM Series: Roller lever with external return spring
9,7 mm
[0.38 in] 26,7 mm
5,3 mm
[0.21 in]
11,9 mm
[0.47 in]
20,0 mm
[0.79 in] 16,8 mm
F.P. [0.66 in]
3,6 mm
[0.14 in]
4,3 mm
[0.17 in]
dia.
SST lever
SST lever
3,6 mm
[0.14 in]
dia.
5,3 mm 14,9 mm
[0.21 in] [0.59 in]
11,9 mm
[0.47 in]
28,7 mm
[1.13 in]
3,6 mm
F.P.
[0.14 in]
dia.
3,6 mm
[0.14 in]
27,9 mm
[1.10 in]
R.O.P.
9,6 mm
[0.38 in]
25,4 mm
[1.00 in]
49,3 mm
[1.94 in]
11,9 mm
[0.47 in]
9,6 mm
[0.38 in]
sensing.honeywell.com
15
BZ | BA | BM | BE | 6AS Series
6AS SERIES - PREMIUM LARGE SNAP-ACTION TANDEM SWITCH ASSEMBLY
The MICRO SWITCH™ 6AS Series consists of two large premium BZ/BA/BM/BE snap-action
switches ganged together and actuated by a single actuator. Operating characteristics are
dependent upon the type of individual switches and actuators chosen. Field adjustable operating point on one or both basic switches. Solder, A2, and T-type terminations available, along
with straight, roller, and leaf levers. Mounting holes accept pins or screws of 3,53 mm [0.139 in]
diameter. Often used for boiler controls or anywhere two circuits need to be controlled by one
actuator.
O.F. •
R.F. •
O.T. •
D.T. •
O.P. •
15 A
A
6AS36
Lever over switch C.
Adjustment over switch D
15 A
A
30,56 mm
[1.203 in]
6AS16
Centered lever. Adjustment
over switch D
20 A
G
30,56 mm
[1.203 in]
A2
A2
and
D6
6,35 mm x
0,81 mm
[0.25 in x
0.32 in]
O.F.
N [oz]
R.F. min.
N [ oz]
O.T. min.
mm [in]
D.T.
mm [in]
O.P.*
mm [in]
30,56 mm
[1.203 in]
A2
2,22 [8]
0,14 [0.5]
0,51
[0.020]
2,77
[0.109]
29,77
[1.172]
A2
2,22 [8]
0,14 [0.5]
0,51
[0.020]
2,77
[0.109]
29,77
[1.172]
3,89 [14]
1,11 [4]
1,02
[0.040]
3,96
[0.156]
30,96
±1,14
[1.219
±0.045]
4,2 [15]
0,42 [1.5]
2,4
[0.094]
1,3
[0.050]
30,2
[1.188]
–
–
–
18,67
[0.735]
6AS201
Lever over switch C.
No adjustment. Sealed
construction
15 A
A
26,67 mm
[1.05 in]
6AS5
Centered leaf. No adjustment. Switches operate
within 0.030 in of each
other
15 A
A
38,38
[1.51]
A2
–
–
0,76 to
1,52
[0.030 to
0.060]
6AS28
Centered lever. Adjustment
over switch C
20 A
G
32,26
[1.27]
A2
3,89 [14]
1,11 [4]
1,02
[0.040]
* except where stated ±0,76 mm [±0.030 in]
16
Terminal
type
Centered lever. Adjustment
over switch D
Lever
length
6AS34
Catalog
Listing
Recommended
For
Electrical
Data and
UL Codes
6AS Series ORDER GUIDE
sensing.honeywell.com
Operating force
Release force
Overtravel
Differential travel
Operating position
MICRO SWITCH™ Premium Large Basic Switches
standard ACTUATOR OPTIONS, TERMINALS, & DIMENSIONS
6AS Series: Straight Lever
6AS Series: Leaf actuator
6AS Series: Roller Lever
sensing.honeywell.com
17
BZ | BA | BM | BE | 6AS Series
OPERATING CHARACTERISTICS
Table 3. Operating Characteristics Definitions
18
Characteristic
Description
Differential Travel-DT
Plunger or actuator travel from point where contacts “snap-over” to point where they “snap-back.”
Free Position-FP
Position of switch plunger or actuator when no external force is applied.
Full Overtravel Force
Force required to attain full overtravel of actuator.
Operating Position-OP
Position of switch plunger or actuator at which point contacts snap from normal to operated position. With flexible or adjustable actuators, the operating position is measured from the end of the lever or its maximum length.
Location of operating position measurement shown on mounting dimension drawings.
Operating Force-OF
Amount of force applied to switch plunger or actuator to cause the contact “snap-over.” Note in the case of
adjustable actuators, the force is measured from the maximum length position of the lever.
Overtravel-OT
Plunger or actuator travel safely available beyond operating position.
Pretravel-PT
Distance or angle traveled in moving plunger or actuator from free position to operating position.
Release Force-RF
Amount of force still applied to switch plunger or actuator at the moment contacts snap from operated position
to non-operated position.
Total Travel
Distance from actuator free position to overtravel limit position.
sensing.honeywell.com
MICRO SWITCH™ Premium Large Basic Switches
AVAILABLE TERMINALS
actuators
BA, BE, BM, and BZ standard snap-action switches use the actuators described:
sensing.honeywell.com
19
BZ | BA | BM | BE | 6AS Series
20
sensing.honeywell.com
substitute
Y Series for
SPNO circuitry
substitute
W Series for
SPNC circuitry
–
–
–
LARGE PREMIUM SWITCH SERIES NOMENCLATURE TREE (not all configurations available)
MICRO SWITCH™ Premium Large Basic Switches
LARGE SNAP-ACTION SWITCH ACCESSORIES
Brackets
Description
8MA1
8MA2
17MA1-B
Description
Adjustable mounting bracket with
adjustment slot on left
Adjustable mounting bracket with
adjustment slot on right
Conversion mounting bracket
Housing material
Steel
Steel
Corrosion-resistant metal
Measurements
60,2 mm W x 21,3 mm H x 7,4 mm D [2.37 in W x 0.84 in H x 0.29 in D]
66,8 mm W x 19,0 mm D
[2.63 in W x 0.75 in D]
Features
sturdy plated steel construction; fast, easy screwdriver adjustment; can be used
with most standard basic switches
converts standard basic switches from
side to top mount; corrosion resistant; snaps into switch mounting holes
without tools
Die-cast Zinc Enclosures
Description
Description
3PA1
3PA28
3PA2
mounted from either side through 3,55
mm [0.140 in] dia. holes on 25,4 mm
[1.0 in] centers; conduit/hub 0.5 – 14
NPT internal thread
mounted from either side through 3,55
mm [0.140 in] dia. holes on 25,4 mm
[1.0 in] centers. 1/2-14 NPSM internal
thread conduit hub
switch secured in enclosure; two 4,37
mm [0.172 in] dia. holes in flange accept #8 screws for mounting on 41,3
mm [1.625 in] centers; conduit/hub 0.5
– 14 NPT internal thread
Housing material
die-cast zinc enclosure (side mount)
die-cast zinc enclosure (side mount)
die-cast zinc enclosure (flange mount)
Measurements
74,8 mm W x 42,9 mm H x 25,4 mm D
[2.95 in W x 1.69 in H x 1.00 in D]
74,8 mm W x 42,9 mm H x 25,4 mm D
[2.95 in W x 1.69 in H x 1.00 in D]
74,8 mm W x 42,9 mm H x 25,4 mm D
[2.95 in W x 1.69 in H x 1.00 in D]
Sealing/Features
NEMA 1; IP 40; protects the switch from physical abuse and personnel from contact with exposed terminals
Plastic Thermal Enclosures
Description
Description
5PA1
5PA2
5PA3
Plastic terminal enclosure used with
solder terminal switches
Plastic terminal enclosure use with
screw terminal switches
Plastic terminal enclosure used with
either solder or screw terminal switches
with auxiliary actuators assembled
Housing material
plastic
plastic
plastic
Measurements
52,8 mm W x 16,1 mm H
[2.08 in W x 0.64 in H]
52,8 mm W x 20,2 mm H x 21,0 mm D
[2.08 in W x 0.80 in H x 0.83 in D]
52,8 mm W x 20,2 mm H x 21,0 mm D
[2.08 in W x 0.80 in H x 0.83 in D]
Sealing/Features
NEMA 1, IP 40; easy to use; screw and solder terminal versions; protect personnel from contact with exposed terminals
sensing.honeywell.com
21
BZ | BA | BM | BE | 6AS Series
AUXILIARY ACTUATOR ORDER GUIDE
Catalog
Listing
JR
AD5721R
(M8805/59)
AN3169-1
ADA3721R
MC2711
(M8805/59)
AN3168-2
Description
Use
only
with
Overtravel min.
mm [in]
Operating Position*
mm [in]
Free Position
mm [in]
Roller lever for “S” plunger
type BZ switches only. Permits
cam operation
BZ
11,1 mm [0.437 in]
44,45 mm ±3,18 mm
[1.75 in ±0.125 in]
–
BZ, BM
11,1 mm [0.437 in]
approx.
31,75 mm to 41,15 mm
[1.25 in to 1.62 in]
39,6 mm to 43,7
mm [1.56 in to
1.72 in]
BA, BE
9,53 mm [0.375 in]
approx.
40,48 mm
[1.594 in] approx.
46,03 mm
[1.812 in]
BZ, BM
4,78 mm [0.188 in]
27,79 mm [1.094 in]
29,4 mm [1.156 in]
BA, BE
3,96 mm [0.156 in]
28,17 mm [1.109 in]
30,18 mm
[1.188 in]
BZ, BM
4,78 mm [0.188 in]
28,98 mm [1.141 in]
29,4 mm
[1.156 in]
BA, BE
4,37 mm [0.172 in]
27,38 mm ±0,76 mm
[1.078 in ±0.030 in]
29,56 mm
[1.156]
BZ, BM
3,18 mm [0.125 in]
approx.
35,7 mm [1.406 in]
37,69 mm
[1.484 in]
BA, BE
3,18 mm [0.125 in]
36,12 mm [1.422 in]
37,69 mm
[1.484 in]
BZ, BM
3,18 mm [0.125 in]
approx.
35,7 mm [1.406 in]
37,69 mm
[1.484 in]
BA, BE
3,18 mm [0.125 in]
36,12 mm [1.422 in]
37,69 mm
[1.484 in]
BZ, BM
20,62 mm
[0.812 in]
69,1 mm [2.719 in]
70,64 mm
[2.781 in]
BA, BE
19,84 mm
[0.781 in]
69,44 mm [2.734 in]
71,42 mm
[2.812 in]
Adjustable roller lever. Tang on
top of actuator can be bent to
adjust O.P. and F.P.
Straight plunger. Panel mount
MCA2711
MC2711H
MCA2711H
MD3211Q
MDA3711Q
MD3211Q1
MDA3711Q1
MC7711
(M8805/58)
AN3167-1
MCA7711
Sealed straight plunger. Panel
mount. Elastomer boot seal
resists liquid splash and dirt.
Furnished unassembled.
Roller plunger. Panel mount.
Roller parallel to long axis of
the switch
Cross roller plunger. Panel
mount. Roller perpendicular to
long axis of the switch
High overtravel plunger. Panel
mount
* except where stated ±1,14 mm [±0.045 in]
NOTE: All actuators are for use with pin plunger types only, except catalog listing JR.
22
sensing.honeywell.com
MICRO SWITCH™ Premium Large Basic Switches
This Honeywell datasheet supports the following MICRO SWITCH™ Premium Large Basic Switch Listings
6AS16
6AS201
6AS25
6AS34
6AS36
6AS5
6ASN13
6ASN39
8AS244-MT
8AS252-BZ
8AS254-BZ
8AS264-MT
BA-1R2416-A42
BA-1R3511
BA-1R357
BA-1R7223524-A2
BA-1RV111-A2
BA-1RV133-A4
BA-1RV543510-A2
BA-1RV543512-A2
BA-1RV54352411-A21
BA-1RV5435241-A2
BA-1RV5435246-A2
BA-1RV5435247-A2
BA-2CB708-A2
BA-2R
BA-2R164-A4
BA-2R24-A2
BA-2R280-A2
BA-2R281-A2
BA-2R708-P7
BA-2R-A2
BA-2R-A4
BA-2RB
BA-2RB35-A2
BA-2RB7-P4
BA-2RB-A2
BA-2RB-A4
BA-2RB-P4
BA-2RL
BA-2RL2-A2
BA-2RL-A2
BA-2R-P1
BA-2R-P4
BA-2R-P7
BA-2RQ1
BA-2RQ1250-A2
BA-2RQ1-A2
BA-2RQ1-D5
BA-2RQ1T
BA-2RT
BA-2RV
BA-2RV136-A2
BA-2RV191-A2
BA-2RV219-D68
BA-2RV22
BA-2RV2223-A2
BA-2RV2233T
BA-2RV22-A2
BA-2RV22-D6
BA-2RV22-D81
BA-2RV22T
BA-2RV241-A2
BA-2RV2-A2
BA-2RV301-PC2
BA-2RV303
BA-2RV312T
BA-2RV314-A22
BA-2RV32-P405
BA-2RV336-A2
BA-2RV338
BA-2RV339-A2
BA-2RV45-A2
BA-2RV6-A2
BA-2RV-A2
BA-2RV-A4
BA-2RV-D5
BA-2RV-P4
BA-2RVT
BA-2SBT
BA-2SV22T
BA-3RBX
BA-3RX717
BA-3SQ1T
BA-3ST
BA-5RV310-A2
BA-R138-A2
BA-R358-A2
BA-R82-D685
BE-1R242-A46
BE-1RV320-A4
BE-1RV52-A4
BE-2R
BE-2R057-A41
BE-2R059-A41
BE-2R2425
BE-2R25-A4
BE-2R-A4
BE-2RB
BE-2RB19-A2
BE-2RB232-A4
BE-2RB-A2
BE-2RB-A4
BE-2RL-A4
BE-2R-P4
BE-2RQ1-A2
BE-2RQ1-A4
BE-2RV193-A4
BE-2RV22-A2
BE-2RV22-A4
BE-2RV24-A2
BE-2RV2-A4
BE-2RV5-A2
BE-2RV-A2
BE-2RV-A4
BE-R0512-A2
BE-R0512-D69
BE-R0512-D691
BE-R205
BE-R2420-A2
BE-R24-A4
BF-10032
BM-1R
BM-1R231-A4
BM-1R2420
BM-1R2450
BM-1R369-A41
BM-1R373
BM-1R378-P4
BM-1R392-A2
BM-1R-A2
BM-1R-A4
BM-1RD33-A2
BM-1RD373
BM-1R-P5
BM-1RQ18124-A2
BM-1RQ18-A2
BM-1RQ1-A2
BM-1RS-A2
BM-1RW822-A2
BM-1RW82-A2
BM-1RW84225551051A2
BM-1RW842255511-A2
BM-1RW84464-A4
BM-2R559729
BM-2R559729-A4
BM-2RM50-A2
BM-2RQ1-A2
BM-2RW82255512429A4
BM-2RW8424-A2
BM-2RW855-D6
BZ-1R2448-A2
BZ-1R2452-A2
BZ-1R374-P4
BZ-1R5421-A2
BZ-1R95-A21
BZ-1RDN930
BZ-1RD-N930
BZ-1RW80-A2N163
BZ-1RW8255051T-S
BZ-1RW82991T
BZ-1RW82991-T
BZ-1RW8472A2N166
BZ-2ADT1
BZ-2AQ1842-PC2
BZ-2AQ18T1
BZ-2AQ1T
BZ-2AQ784T
BZ-2AT
BZ-2AW822551-D6
BZ-2AW822556T
BZ-2AW822T
BZ-2AW825551T
BZ-2AW82T
BZ-2AW84223T
BZ-2AW842444T
BZ-2AW8557-D6
BZ-2AW8558-D6
BZ-2AW855-D6
BZ-2AW855T1
BZ-2G-A2
BZ-2GW822
BZ-2R
BZ-2R15-A6
BZ-2R168-A2
BZ-2R21-A2
BZ-2R244-A2
BZ-2R244-P1
BZ-2R244T
BZ-2R24-A2
BZ-2R24-A2N84
BZ-2R258
BZ-2R268-A2
BZ-2R276-P5
BZ-2R291-A4
BZ-2R291-P4
BZ-2R296
BZ-2R3000-T4-J
BZ-2R331
BZ-2R352420-A2
BZ-2R383-A2
BZ-2R389-A2
BZ-2R391-A2
BZ-2R53-A2
BZ-2R55
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BZ-2R5528-S
BZ-2R55513-A2
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BZ-2R710-PC2
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BZ-2RS-P1
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BZ | BA | BM | BE | 6AS Series
BZ-2RS-P4
BZ-2RST04
BZ-2RS-T4-J
BZ-2RT
BZ-2RT04
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24
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BZ-2RW82-A2
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BZ-R178-WCBA-240
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BZ-R179
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BZ-R30372-PC2
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BZ-R546-D6
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BZ-R7216
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BZ-R812
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BZ-R-A2
BZ-R-A2N104
BZ-R-A2N110
BZ-R-A2N112
BZ-R-A2N117
BZ-RD
BZ-RD178
BZ-RD242
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BZ-RD-A2
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BZ-RL
BZ-RL95
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BZ-RW8422-A2
BZ-RW8422-P4
BZ-RW8435
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BZ-RX
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BZ-RX20
BZ-RX243
BZ-RX43
BZ-RX47
BZ-RX48
BZ-RX53-B7
BZ-RX9
BZ-RX-D584
BZ-RX-F1
WA-1R249-A42
WA-1RVX051-A4
WA-1RVX132-A4
WA-1RX123-A4
WA-1RX12-A4
WA-1RX12-A41
WA-1RX33-A4
WA-1RX38-A41
WA-1RX-A4
WA-1RX-A41
WA-2R-A2
WA-2R-A21
WA-2RV178-A2
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WM-1R369-AR2
WM-1R369-AR4
WM-1RW88294T
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YA-2CB16-A2
YA-2CB713-A2
YA-2R-A2
YA-2RB18-A21
YA-2RB19-A64
YA-2RB-A2
YA-2RB-A64
YA-2RB-D504
YA-2RBT
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YE-2RB-A2
YE-2RB-A4
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YE-2RV22-D5
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YM-1R2450
YM-1R-A2
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YZ-R
YZ-RSX351
YZ-RX58-D5
YZ-RX-D584
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25
BZ | BA | BM | BE | 6AS Series
ADDITIONAL INFORMATION
The following associated literature is available at
sensing.honeywell.com:
• Product installation instructions
• Product application-specific information
– Sensors and switches for potential HVAC/R applications
– Sensors and switches for valve monitors and valve indicators
WARNING
PERSONAL INJURY
DO NOT USE these products as safety or emergency stop
devices or in any other application where failure of the
product could result in personal injury.
Failure to comply with these instructions could result in
death or serious injury.
– Sensors and switches in oil rig applications
WARNING
– Sensors and switches in sanitary valves
• Case study
MISUSE OF DOCUMENTATION
– A good range of mobility - BZ Series
•
• BZ/BA performance information
• Applying basic switches
• Low energy switching guide
• Product range guide
•
The information presented in this product sheet is for
reference only. Do not use this document as a product
installation guide.
Complete installation, operation, and maintenance
information is provided in the instructions supplied with
each product.
Failure to comply with these instructions could result in
death or serious injury.
WARRANTY/REMEDY
Honeywell warrants goods of its manufacture as being free of
defective materials and faulty workmanship. Honeywell’s standard
product warranty applies unless agreed to otherwise by Honeywell
in writing; please refer to your order acknowledgement or consult
your local sales office for specific warranty details. If warranted
goods are returned to Honeywell during the period of coverage,
Honeywell will repair or replace, at its option, without charge those
items it finds defective. The foregoing is buyer’s sole remedy
and is in lieu of all other warranties, expressed or implied,
including those of merchantability and fitness for a particular purpose. In no event shall Honeywell be liable for consequential, special, or indirect damages.
While we provide application assistance personally, through our
literature and the Honeywell website, it is up to the customer to
determine the suitability of the product in the application.
Specifications may change without notice. The information we
supply is believed to be accurate and reliable as of this printing.
However, we assume no responsibility for its use.
26
sensing.honeywell.com
Find out more
Honeywell serves its customers
through a worldwide network
of sales offices, representatives
and distributors. For application
assistance, current specifications,
pricing or name of the nearest
Authorized Distributor, contact
your local sales office.
To learn more about Honeywell’s
sensing and control products,
call +1-815-235-6847 or
1-800-537-6945, visit
sensing.honeywell.com,
or e-mail inquiries to
info.sc@honeywell.com
Sensing and Control
Honeywell
1985 Douglas Drive North
Golden Valley, MN 55422
honeywell.com
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