LCA Series
Subminiature Snap-acting Switches
Features/Benefits
• Compact design
• Long life and high electrical capacity
• Quick connect, solder terminals, PC terminals
• Wide variety of actuator styles
• RoHS compatible
Typical Applications
• Motorized equipment
• Sump pump
• Thermostatic controls
Models Available
Specifications
Materials
CONTACT RATING: From low level to 10 AMPS @ 125 V AC
ELECTRICAL LIFE: 6,000 cycles at 10 AMPS @ 125 V AC
10,000 cycles at 8 AMPS @ 125 V AC
50,000 cycles at 3 AMPS @ 125 V AC
INSULATION RESISTANCE: 100 M ohm min.
DIELECTRIC STRENGTH: 1,500 Vrms min. @ sea level.
OPERATING TEMPERATURE: –10ºC to +125ºC
OPERATING FORCE: 140 grams at actuator button MAX.
Forces are less at free end of lever actuators; (see ACTUATOR’S
option sections).
MOUNTING: 2-56 screws, torque 2.3 in/lbs max.
SWITCH HOUSING: Thermoplastic polyester or high temperature
thermoplastic (PTS) (UL 94V-0).
ACTUATOR BUTTON: Thermoplastic polyester.
SPRING: Copper alloy.
PIVOT: Copper alloy.
MOVABLE CONTACTS: Silver Nickel for 10A option
Gold plate for 00A option
STATIONARY CONTACTS: Silver nickel on copper alloy.
TERMINALS: Copper alloy.
ACTUATOR LEVER: Stainless steel.
Build-A-Switch
To order, simply select desired option from each category and place in the appropriate box. Available options are shown and
described on pages K-22 thru K-24. For additional options not shown in catalog, consult Customer Service Center.
L
C A
1
4
0
Series
LCA SP, Mom.
Contact Rating
10A 10A, 125 VAC 5A 250 VAC
8 (2)A, 250 VAC
3 (1)A, 250 VAC T125µ
00A* .1A, 125 VAC, 28VDC
* for electrical rating below .1 Amp contact
customer service
Operating Force
140 4.94 oz. / 140 grams
Actuator
P00 Pin plunger
B00 Button Plunger
LS2 0.06 (1,5) short lever
L02 0.09 (2,2) lever
L05 0.20 (5,1) lever
L09 0.36 (9,1) lever
L16 0.63 (16,1) lever
L18 0.72 (18,2) lever
L21 0.82 (20,9) lever
L36 1.42 (36,1) lever
M02 0.07 (1,7) modified lever
S06 0.24 (6,1) simulated roller
S12 0.47 (11,9) simulated roller
Terminations
S Solder
Q .110 Quick Connect
N .093 Quick Connect
P PC Thru Hole
L Left Form PC
R Right Form PC
Circuitry
C SPDT
W SPST N.C.
Y SPST N.O.
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
K–21
www.ck-components.com
Snap-acting
NOTE: Specifications and materials listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service center.
K
LCA Series
Subminiature Snap-acting Switches
SERIES
LCA
.254
(6,5)
.248
(6,3)
.302
(7.67)
.787
(20,0)
.094 DIA. TYP.
(2,4ø)
.386
(9,8)
.079
(2,0)
.126
(3,2)
.417
(10,6)
.110
(2,8)
.350
(8,9)
.287
(7,3)
.374
(9,5)
Snap-acting
K
ELECTRICAL RATING
RoHS
COMPLIANT *
RoHS
COMPATIBLE *
OPTION CODE
ELECTRICAL RATING
YES
YES
10A
10A, 125 VAC 5A 250 VAC
8 (2)A, 250 VAC
3 (1)A, 250 VAC T125µ
YES
YES
00A**
.1A, 125, VAC, 28 V DC
* Note: See Technical Data section of this catalog for RoHS compliant and compatible definition and specifications.
** For electrical rating below .1 Amp, contact customer service.
OPERATING FORCE
OPTION CODE
OPERATING FORCES
(oz/grams)
140
4.94 / 140 grams max.
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
K–22
www.ck-components.com
LCA Series
Subminiature Snap-acting Switches
ACTUATOR
.069
(1,7)
P00
1.424
(36,1)
SEE PAGE K-22 FOR DIMENSIONS
B00
0.205
(5.2)
.220
(5,6)
M02*
L36*
0.200
(5.08)
.382
(9,7)
L05*
.715
(18.16)
.361
(9,1)
L18*
L09*
.634
(16,1)
.089
(2,2)
L16*
.467
(11.86)
L02*
S12*
.075
(1,90)
LS2*
.825
(20,9)
L21*
.243
(6,1)
S06*
* Lever and simulated roller width is
0.158”+/-.003” (Does not apply to POO
and BOO actuator codes)
.075
(1,90)
Max Operate Force
ACTUATOR CODE
Grams
oz
P00
140
4.94
B00
140
4.94
LS2
56
1.98
L02
41
1.45
L05
34
1.20
L09
28
0.99
L16
21
0.74
L18
20
0.71
L21
18
0.63
L36
13
0.46
M02
42
1.48
S06
32
1.13
S12
24
0.85
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
K–23
www.ck-components.com
Snap-acting
.057
(1,44)
K
LCA Series
Subminiature Snap-acting Switches
TERMINATIONS
S
Q
SOLDER
0.150
(3,81)
0.063 DIA TYP
(1,60)
0.134
(3,40)
0.020
(051)
0.350
(8,89)
QUICK CONNECT
0.323
(8.2)
0.020
(051)
0.287
(7,29)
0.350
(8,89)
0.047 DIA TYP
(1.20)
0.063
(1.60)
0.284
(7.21)
0.110
(2.8)
0.287
(7,29)
'Q' TERMINAL OPTION
N
P
.093 QUICK CONNECT
Snap-acting
K
ø0.056
(1,0)
ø0.032 TYP
(0,8ø)
0.063 TYP
(1,6)
0.323 0.284
(8,2) (7,2)
0.197 0.154
(5,0) (3,9)
0.093 TYP
(2,4)
0.287
(7,29)
R
0.032
(0,8)
0.020
(0,5)
0.350
(8,89)
0.287
(7,29)
0.350
(8,99)
0.106
(2,7)
0.287
(7,29)
ø0.040
(1,0)
0.146
(3,7)
0.032
(0,8)
0.106
(2,7)
0.020
(0,5)
0.350
(8,89)
PC MOUNTING HOLE
PC MOUNTING HOLE
RIGHT FORM PC
ø0.040
(1,0)
0.146
(3,7)
0.287
(7,29)
0.287
(7,29)
0.350
(8,89)
LEFT FORM PC
0.350
(8,89)
0.047
(1,2)
0.020
(0,5)
0.020
(0,5)
0.350
(8,89)
L
PC THRU HOLE
0.350
(8,89)
PC MOUNTING HOLE
0.287
(7,29)
P00
C
A
B D
A
Free position (max):
0.382 in
9,7 mm
B
Operating position:
0.343 in +/- 0.020 in
8,7 mm +/- 0,5 mm
C
Pre-travel (max):
0.031 in
0,8 mm
D
Over-travel (max):
0.020 in
0,5 mm
A
Free position (max):
0.433 in
11,0 mm
B00
B
Operating position:
0.394 in +/- 0.020 in
10,0 mm +/- 0,5 mm
C
Pre-travel (max):
0.031 in
0,8 mm
D
Over-travel (max):
0.004 in
0,1 mm
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
K–24
0.287
(7,29)
www.ck-components.com
LCA Series
Subminiature Snap-acting Switches
CIRCUITRY
C
W
Y
SPDT (Single Pole, Double Throw)
SPST N.C. (Single Pole, Single Throw, Normally Closed)
SPST N.O. (Single Pole, Single Throw, Normally Open)
K
Snap-acting
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
K–25
www.ck-components.com