Rotary
A Series
1-4 Pole Rotary Switches
Features/Benefits Typical Applications
Multi-pole and multi-position Automotive
Positive detent Major and small appliances
Shorting & non-shorting contacts Industrial equipment
Panel and PCB mounting
RoHS Compliant
Models Available
Materials
Specifications
CONTACT RATING: Q contact material: Switch - 2.5 AMPS @ HOUSING & BUSHING: Glass filled 6/6 nylon (UL 94V-0).
125 V AC; 350 mA @ 125 V DC (UL/CSA). Carry - 5 AMPS
ACTUATOR: Glass filled 6/6 nylon (UL 94V-0).
continuous. See page K-6 for additional ratings.
MOVABLE CONTACTS: Q contact material: Coin silver, silver plated.
ELECTRICAL LIFE: 15,000 make-and-break cycles at full load up
See page K-6 for additional contact materials.
to 300,000 detent operations.
STATIONARY CONTACTS & TERMINALS: Q contact material: Brass,
CONTACT RESISTANCE: Below 20 m typ. initial @
silver plated. See page K-6 for additional contact materials.
2-4 V DC, 100 mA, for both silver and gold plated contacts.
HARDWARE: Nut - zinc, nickel plated. Lockwasher steel, bright
9
INSULATION RESISTANCE: 10 min.
zinc plated. Stop Ring - brass, nickel plated.
DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level.
TERMINAL SEAL: Epoxy.
Operating and storage temp: -30 to 85C
OPERATING & STORAGE TEMPERATURE: -30C to 85C
NOTE: Any models supplied with Q, B or G contact material are RoHS compliant.
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 K4 through K7. For additional options not shown in catalog, consult Customer Service Center.
K
Switch Function
A100 SP, 30 Index, 12 pos. no stops
A102 SPDT, 30 Index
A103 SP, 30 Index, 3 pos.
Actuator
A104 SP, 30 Index, 4 pos.
15 1.500" high, flatted
A105 SP, 30 Index, 5 pos.
03 .375" high, flatted
A106 SP, 30 Index, 6 pos.
05 .500" high, flatted
A107 SP, 30 Index, 7 pos.
14 1.500" high, flatted
A108 SP, 30 Index, 8 pos.
42 1.654" high, metric
A109 SP, 30 Index, 9 pos.
S1 Screwdriver Slot
A110 SP, 30 Index, 10 pos.
A112 SP, 30 Index, 12 pos.
Mounting Style
A114 SP, 90 Index, 2 pos.
R 3/8-32 threaded
A115 SP, 45 Index, 3 pos.
M M10 x .75 metric
A124 SP, 90 Index, 4 pos.
Shorting/
A125 SP, 45 Index, 8 pos.
Non-shorting Contacts
A203 DP, 30 Index, 3 pos.
N Non-shorting contacts
A204 DP, 30 Index, 4 pos.
S Shorting contacts
A205 DP, 30 Index, 5 pos.
(Not available with models A114, A124 & A214)
A206 DP, 30 Index, 6 pos.
A214 DP, 90 Index, 2 pos.
Terminations
A303 3P, 30 Index, 3 pos.
Z Solder lug
A304 3P, 30 Index, 4 pos.
C PC Thru-hole
Contact Material
A402 4PDT, 30 Index
MC Modular base
Q Silver
A403 4P, 30 Index, 3 pos
B Gold
Seal
G Gold over silver
NONE No seal
E Epoxy seal
F Splashproof bushing seal
K Epoxy & splashproof bushing seal
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
www.ck-components.com
K3A Series
1-4 Pole Rotary Switches
SWITCH FUNCTION
30 INDEXING 30 INDEXING
SP MODELS SCHEMATIC
NO. MODEL SWITCH NO. MODEL SWITCH
TERMINALS TERMINALS
POLES NO. FUNCTION POLES NO. FUNCTION
12 Position A,B,C,D,1,2,4,5,7,
A100 A,1-12 A402 4PDT
No Stops 8,10,11
4P
A102 SPDT A,1,2* A403 3 Position All Terminals
3 Position A,1-3*
A103
DP MODELS SCHEMATIC
4 Position A,1-4* 45 INDEXING
A104
A105 5 Position A,1-5* NO. MODEL SWITCH
TERMINALS
POLES NO. FUNCTION
SP A106 6 Position A,1-6*
3 Position A,1,2,4*
A115
SP
7 Position A,1-7
A107
8 Position A,1,2,4,5,7,8,10,11
A125
8 Position A,1-8
A108
3P MODELS SCHEMATIC
9 Position A,1-9
A109
90 INDEXING
A110 10 Position A,1-10
NO. MODEL SWITCH
TERMINALS
POLES NO. FUNCTION
A112 12 Position A,1-12
2 Position A,1,4*
A114
3 Position A,C,1-3,7-9
A203
SP
A124 4 Position A,1,4,7,10
DP
A204 4 Position A,C,1-4,7-10
4P MODELS SCHEMATIC
DP
A214 2 Position A,C,1,4,7,10
A205 5 Position A,C,1-5,7-11
6 Position A,C,1-12
A206
A,B,C,1-3,5-7
K
3 Position
A303
9-11
3P
A304 4 Position A,B,C,1-12
TERMINAL NUMBERS
Terminal numbers
NOTE: * These models with C or MC terminations have additional terminal no. 9
molded on bottom
as switch support only. This terminal is not connected electrically inside switch.
of housing.
All models with all options when ordered with G or Q contact
material, see page K-6.
4P MODELS
SP MODELS (omit terminals B, C & D)
3P MODELS
DP MODELS (omit terminals B & D)
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
www.ck-components.com
K4
Rotary