RTA Series
1–4 Poles Coded Rotary Switches
Features/Benefits
• PCB or hand soldering versions
• Bushing mounting
• Multiple poles
• Decimal and hexadecimal codes
• Screwdriver slot or extended actuator
• RoHS Compliant
Electrical Data
SWITCHING MODE:
MAX. SWITCHING POWER
MAX. SWITCHING CURRENT:
MAX. CARRYING CURRENT:
NOMINAL VOLTAGE AT 50 Hz
CONTACT RESISTANCE:
DIELECTRIC STRENGTH AT 50 Hz
BETWEEN CONTACTS AND
GROUND TERMINALS:
INSULATION RESISTANCE BETWEEN
CONTACTS OR CONTACTS
AND FRAME (500 V =):
NO. OF OPERATIONS:
BOUNCE:
Mechanical Data
Silver Gold
BBM BBM
5 VA
0.5 VA
150 mA
20 mA
5 A
1A
60 V
25 V
< 150 mΩ
< 150 mΩ
500 V r
500 V r
109 Ω
10,000
< 5 ms
109 Ω
10,000
< 5 ms
MAX. NO. OF BANKS: 1.
OPERATING TORQUE: 5 Ncm±20%.
END STOP TORQUE: 50 Ncm. minimum
STOP: With/without or adjustable
MOUNTING: By fixed index 9.5 mm (0.374) of center, for
bushing mount only
Materials
BUSHING/HOUSING: PETP Thermoplastic
STATIONARY CONTACTS & TERMINALS: Nickel Plated Brass
with additional plating of Gold or Silver.
ROTOR: Gold or Silver plated Brass or PCB.
CODING PLATE: PA thermoplastic
ACTUATOR: Polysulfon thermoplastic
HARDWARE: Stop pin: Aluminum. Ball & Spring: Stainless steel.
Washer: PA. Nut: Brass.
Environmental Data
Rotary
K
OPERATING TEMPERATURE: –20ºC to + 70ºC
–20ºC to + 70ºC
STORAGE TEMPERATURE: –40ºC to + 85ºC
–40ºC to + 85ºC
Typical Applications
• Appliances
• Electronic alarm systems
• Medical
• Building automation
• HVAC air conditioning
NOTE: Specifications and materials listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
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-9 thru K-12. For additional options not shown in catalog, consult Customer Service Center.
Designation
RTA
Indexing
2 22.5 index (coded only)
3 30° index (12 positions max.)
4 36° index (10 positions max.)
Termination
P With PC Thru-hole
Switch Function
H Horizontal with
1W12 SP, 30° Index, 12 pos. no stop
PC Thru-hole
1W10 SP, 36° Index, 10 pos. no stop
1S02 SP, 30° /36° Index, 2 pos.
1S03 SP, 30° /36° Index, 3 pos.
1S04 SP, 30° /36° Index, 4 pos.
1S05 SP, 30° /36° Index, 5 pos.
1S06 SP, 30° /36° Index, 6 pos.
1S07 SP, 30° /36° Index, 7 pos.
1S08 SP, 30° /36° Index, 8 pos.
1S09 SP, 30° /36° Index, 9 pos.
1S10 SP, 30° /36° Index, 10 pos.
1S11 SP, 30° Index, 11 pos.
1S12 SP, 30° Index, 12 pos.
2S02 DP, 30° /36° Index, 2 pos.
2S03 DP, 30° /36° Index, 3 pos.
2S04 DP, 30° /36° Index, 4 pos.
2S05 DP, 30° /36° Index, 5 pos.
2S06 DP, 30° Index, 6 pos.
Contact Material
S Silver plated, matte-tin terminal
P Gold plated, matte-tin terminal
4S02 4P, 30° /36° Index, 2 pos.
EW10 Direct + complement, 36º
Index, no stop
EW12 Direct + complement, 30º
Index, no stop
ES—— Direct + complement, 30º/36º
Index, with stop
(specify stop position)
Mounting Style
W Without bushing
R 3/8-32 Threaded Bushing
M M10x.75 Metric Threaded Bushing
A 3/8-32 Threaded Bushing
with Offset Bracket
B M10x.75 Metric Threaded
Bushing with Offset Bracket
Actuator (max.)
25N .984 (25,0) with screwdriver slot
50N 1.97 (50,0) with screwdriver slot
FLS Flush shaft with screwdriver slot
and position indicator
25F .984 (25,0) Shaft with flat
06F .236 (6,0) Shaft with flat
C
D
3/8-32 Threaded Bushing
with Straight Bracket
M10x.75 Metric Threaded
Bushing with Straight Bracket
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
16 aug 18
K–8
www.ckswitches.com
RTA Series
1-4 Poles Coded Rotary Switches
DESIGNATION
RTA
Generic View
TERMINATION
P
WITH PC PINS
.016
(0,4)
.028 TYP.
(0,7)
SCALE 2.000
1.016
(25,8)
.100 TYP.
(2,5)
.150
(3,8)
.866
(22,0)
H
.600
(15,2)
1.000
(25,4)
Horizontal with PC Thru-hole
Note:
.618
( 15,7 )
K
Rotary
7X .028
( 0,7 )
“H” termination only available with the following options:
1. With A or B mounting styles
2. 36º degree indexing
3. Up to 5 positions max
6X .100
( 2,54 )
.302
( 7,67 )
.600
( 15,24 )
INDEXING
2 22.5 index, 16 positions max.
3 30 index, 12 positions max.
4 36 index, 10 positions max.
Both commons must be connected by user to ground.
Third Angle
Projection
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
16 aug 18
K–9
www.ckswitches.com
RTA Series
1-4 Poles Coded Rotary Switches
SWITCH FUNCTION
NO.
POLES
SP
MODEL
NO.
SWITCH
FUNCTION
1W12
30º
1W10
12 Positions
No Stop
10 Positions
No Stop
1S02
2 Positions
30º/36º
1S03
3 Positions
30º/36º
1S05
5 Positions
30º/36º
1S06
6 Positions
30º/36º
1S08
8 Positions
30º/36º
1S09
9 Positions
30º/36º
C0
1S10
10 Positions
30º/36º
1S11
11 Positions
30º
1S12
12 Positions
30º
Pos.
Pos. 1 1 21 31
Rotary
13 2 3 3 3
DP
DP MODELS SCHEMATIC
C1
12 22 32
4P MODELS SCHEMATIC
C2
C1
C2
C3
C4
4P
Pos. 11 21 31 41 51 61 12 22 32 42 52 62
MODEL
NO.
EW10
EW12
Pos. 1 1 21
12 22
13 2 3
SWITCH FUNCTION
MODEL
NO.
SWITCH
FUNCTION
2W05
2W06
5 Positions
No Stop
6 Positions
No Stop
2S02
2 Positions
30º/36º
2S03
3 Positions
30º/36º
2S04
4 Positions
30º/36º
2S05
5 Positions
30º/36º
2S06
6 Positions
30º
4S02
2 Positions
30º/36º
INDEX
30º/36º
30º
14 2 4
INDEX
36º
Direct + complement, No stop
Direct + complement, No stop
30º
Direct + complement, with stop (specify stop position)
30º & 36º
22.5º 30º 36º
Pos.
1 2 3 4 5 6 7 8 9 10
11
12
13
14
15 16
E,J M,N L,N
C
• • • • • • • • • • • • • • • •
F,I H D
1
• • • • • • • •
D,K D B
2
• • • • • • • •
A,N A I
4
•
•
•
• •
•
• •
B J J
8
•
•
•
•
•
•
• •
— C K
1
• • • • • • • •
— K H
2
• • • • • • • •
— B A
4
• • • • • • • •
— I C
8
• • • • • • • •
Term. Term. Term.
K
NO.
POLES
36º
ES——
3P MODELS SCHEMATIC
C1
C2
C3
SP MODELS SCHEMATIC
INDEX
Indexing Option Code 2, 22.5
INDEXING ANGLE PCB LAYOUT
Indexing Option Code 3, 30 INDEXING ANGLE PCB LAYOUT
1 POLE
BCD ONLY
2 POLES
3 POLES
4 POLES
BCD + COMPLEMENTS
Indexing Option Code 4, 36 INDEXING ANGLE PCB LAYOUT
NOTE: Layout view from
component side.
Common terminals that are in locations
A-G are not connected to common terminals that are in locations H-N. For 7-12
position output customer must tie these
commons together.
1 POLE
2 POLES
3 POLES
4 POLES
BCD + COMPLEMENTS
Third Angle
Projection
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
16 aug 18
K–10
www.ckswitches.com
RTA Series
1-4 Poles Coded Rotary Switches
MOUNTING STYLE
W WITHOUT BUSHING
M M10 x .75 MERTIC THREADED BUSHING
.60
( 15,2 )
.60
( 15,2 )
14X ø.04
( 0,9 )
6X .10
( 2,5 )
N ML K J I H
14X ø.04
( 0,9 )
6X .10
( 2,5 )
.495
(12,6)
1.00
( 25,4 )
.732
(18,6)
1.00
( 25,4 )
G F E DC B A
.402 DIA.
(10,2ø)
Note: M mounting style not available with H termination.
R 3/8-32 THREADED BUSHING
A 3/8-32 THREADED BUSHING WITH BRACKET
PANEL MOUNTING
.385 DIA
(9.8 Ø)
.134 DIA.
(3,4ø)
.374
(9,5)
G F E DC B A
Note: W mounting style not available with H termination.
.874
( 22,2 )
PANEL MOUNTING
.134
(3.4Ø)
.338
( 8,59 )
.385 DIA
(9.8 Ø)
.374
(9.5)
3/8 - 32 UNEF
.338
( 8,59 )
.618
( 15,7 )
.19
( 4,8 )
.60
( 15,2 )
.60
( 15,2 )
.874
( 22,2 )
14X ø.04
( 0,9 )
6X .10
( 2,5 )
PANEL MOUNTING
N ML K J I H
M10
METRIC
G F E DC B A
N ML K J I H
7X ø.04
( 0,9 )
1.00
( 25,4 )
.071
( 1,8 )
2X ø.08
( 2,1 )
.600
( 15,2 )
.031
( 0,8 )
.188
( 4,8 )
6X .10
( 2,5 )
.30
( 7,6 )
G F E DC B A
Note: A mounting style only available with H termination.
Note: R mounting style not available with H termination.
C 3/8-32 THREADED BUSHING WITH STRAIGHT BRACKET
B M10 x .75 METRIC THREADED BUSHING WITH BRACKET
.874
( 22,2 )
.735
(18,67)
PANEL MOUNTING
.385 DIA
(9.8 Ø)
.618
(15,7)
.19
( 4,8 )
.60
( 15,2 )
2X ø.08
( 2,1 )
G F E DC B A
7X ø.04
( 0,9 )
.071
(1,8)
.031
(0,8)
.188
(4,77)
.600
(15,24)
6X .10
( 2,5 )
.071
( 1,8 )
.32
( 8,1 )
R Mounting
7X ø .04
( 0,9 )
.30
( 7,6 )
.600
( 15,24 )
.031
( 0,8 )
.318
( 8,07 )
.60
( 15,2 )
2X ø.08
(2)
G F E DC B A
6X.10
( 2,5 )
.30
( 7,6 )
Note: B mounting style only available with H termination.
D M10 x .75 METRIC THREADED BUSHING WITH STRAIGHT BRACKET
PANEL MOUNTING
.32
( 8,1 )
7X ø .04
( 0,9 )
.618
( 15,7 )
.60
( 15,2 )
.735
( 18,67 )
2X ø.08
(2)
G F E DC B A
6X.10
( 2,5 )
.30
( 7,6 )
.071
( 1,8 )
.031
0,8 ()
.600
( 15,24 )
.318
( 8,07 )
Third Angle
Projection
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
16 aug 18
K–11
K
Rotary
.618
( 15,7 )
PANEL MOUNTING
www.ckswitches.com
RTA Series
1-4 Poles Coded Rotary Switches
ACTUATOR
25N .984 (25,0) WITH SCREWDRIVER SLOT
50N 1.97 (50,0) WITH SCREWDRIVER SLOT
.177
( 4,5 )
.177
( 4,5 )
.039
(1)
.039
( 1)
Ø.236
(6)
Ø.236
(6 )
1.969
( 50 )
.984
( 25 )
FLS FLUSH SHAFT WITH SCREWDRIVER SLOT AND POSITION INDICATOR
25F .984 (25,0) SHAFT WITH FLAT
.984
(25,0)
.091
(2,3)
.945
(24,0)
.220 DIA.
(5,6Ø)
.039
(1,0)
.157
(4,0)
30
Note: only available with “W” Mounting Style
Note: only available with “W” Mounting Style
06F .236 (6,0) SHAFT WITH FLAT
.197
( 5,0 )
50N Actuator with Screw Driver Slot
.157
( 4,0 )
Rotary
K
.236
( 6,0 )
Note: only available with “W” Mounting Style
CONTACT MATERIAL
OPTION
CODE
CONTACT AND
TERMINAL MATERIAL
RATING
S
SILVER
LOW LEVEL/DRY CIRCUIT
P
GOLD
LOW LEVEL/DRY CIRCUIT
OR POWER
SWITCH: 150 mA MAXIMUM, 60 V NOMINAL.
POWER: 5 VA MAXIMUM. CARRY-5 AMPS MAXIMUM.
SWITCH: 20 mA MAXIMUM, 25 V NOMINAL.
POWER: 0.5 VA MAXIMUM. CARRY: 1 AMP MAXIMUM.
* Note: See Technical Data section of this catalog for RoHS compliant and compatible definition and specifications.
AVAILABLE HARDWARE
Mounting Nuts
Stop pins
Lockwasher
06F Actuator with Screw Driver Slot
PART NO.
PART NO.
PART NO.
PART NO.
472706201
Standard
495100201
Metric
Y200300200PCH
472800202
NOTE: Additional nuts and lockwashers available separately, see section “Technical Data and Additional Hardware”.
Third Angle
Projection
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
16 aug 18
K–12
www.ckswitches.com