A Series 1-4 Pole Rotary Datasheet by C&K

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Models Available
A Series
1-4 Pole Rotary Switches
Features/Benefits
Multi-pole and multi-position
Positive detent
Shorting & non-shorting contacts
Panel and PCB mounting
RoHS Compliant
Typical Applications
Automotive
Major and small appliances
Industrial equipment
Specifications
CONTACT RATING: Q contact material: Switch - 2.5 AMPS @
125 V AC; 350 mA @ 125 V DC (UL/CSA). Carry - 5 AMPS
continuous. See page K-6 for additional ratings.
ELECTRICAL LIFE: Up to 15,000 make-and-break cycles at full load
up to 300,000 detent operations.
CONTACT RESISTANCE: Below 20 m Ω typ. initial @
2-4 V DC, 100 mA, for both silver and gold plated contacts.
INSULATION RESISTANCE: 10 9 Ω min.
DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level.
Operating and storage temp: -30º to 85ºC
OPERATING & STORAGE TEMPERATURE: -30ºC to 85ºC
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.
Materials
HOUSING & BUSHING: Glass filled 6/6 nylon (UL 94V-0).
ACTUATOR: Glass filled 6/6 nylon (UL 94V-0).
MOVABLE CONTACTS: Q contact material: Coin silver, silver plated.
See page K-6 for additional contact materials.
STATIONARY CONTACTS & TERMINALS: Q contact material: Brass,
silver plated. See page K-6 for additional contact materials.
HARDWARE: Nut - zinc, nickel plated. Lockwasher — steel, bright
zinc plated. Stop Ring - brass, nickel plated.
TERMINAL SEAL: Epoxy.
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–4 through K–7. For additional options not shown in catalog, consult Customer Service Center.
Switch Function
A100 SP, 30° Index, 12 pos. no stops
A102 SPDT, 30° Index
A103 SP, 30° Index, 3 pos.
A104 SP, 30° Index, 4 pos.
A105 SP, 30° Index, 5 pos.
A106 SP, 30° Index, 6 pos.
A107 SP, 30° Index, 7 pos.
A108 SP, 30° Index, 8 pos.
A109 SP, 30° Index, 9 pos.
A110 SP, 30° Index, 10 pos.
A112 SP, 30° Index, 12 pos.
A114 SP, 90° Index, 2 pos.
A115 SP, 45° Index, 3 pos.
A124 SP, 90° Index, 4 pos.
A125 SP, 45° Index, 8 pos.
A203 DP, 30° Index, 3 pos.
A204 DP, 30° Index, 4 pos.
A205 DP, 30° Index, 5 pos.
A206 DP, 30° Index, 6 pos.
A214 DP, 90° Index, 2 pos.
A303 3P, 30° Index, 3 pos.
A304 3P, 30° Index, 4 pos.
A402 4PDT, 30° Index
A403 4P, 30° Index, 3 pos
Contact Material
Q Silver
B Gold
G Gold over silver
Actuator
15 1.500” high, flatted
03 .375” high, flatted
05 .500” high, flatted
14 1.500” high, flatted
42 1.654” high, metric
S1 Screwdriver Slot
Shorting/
Non-shorting Contacts
N Non-shorting contacts
S Shorting contacts
(Not available with models A114, A124 & A214)
Terminations
Z Solder lug
C PC Thru-hole
MC Modular base
Seal
NONE No seal
E Epoxy seal
F Splashproof bushing seal
K Epoxy & splashproof bushing seal
Mounting Style
R 3/8-32 threaded
M M10 x .75 metric
K–3
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
www.ckswitches.com
K
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9 Nov 20
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K
Rotary
K–4
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
www.ckswitches.com
9 Nov 20
A Series
1-4 Pole Rotary Switches
SWITCH FUNCTION
3P MODELS SCHEMATIC
4P MODELS SCHEMATIC
DP MODELS SCHEMATIC
SP MODELS SCHEMATIC
3P MODELS
TERMINAL NUMBERS
4P MODELS
SP MODELS (omit terminals B, C & D)
DP MODELS (omit terminals B & D)
Te rminal numbers
molded on bottom
of housing.
30º INDEXING
45º INDEXING
90º INDEXING
NOTE: * These models with ‘C’ or ‘MC’ terminations have additional terminal no. 9
as switch support only. This terminal is not connected electrically inside switch.
All models with all options when ordered with ‘G’ or ‘Q’ contact
material, see page K-6.
A,B,C,1-124 Position
A304
A,B,C,1-3,5-7
9-11
3 Position
A303
A,C,1-126 Position
A206
A,C,1-5,7-115 Position
A205
A,C,1-4,7-104 Position
A204
A,C,1-3,7-93 Position
A203
DP
A,1-1212 Position
A112
A,1-1010 Position
A110
A,1-99 Position
A109
A,1-88 Position
A108
A,1-77 Position
A107
A,1-6*6 Position
A106
A,1-5*5 Position
A105
A,1-4*4 Position
A104
A,1-3*3 Position
A103
A,1,2*SPDT
A102
A,1-12
12 Position
No Stops
A100
SP
TERMINALS
SWITCH
FUNCTION
MODEL
NO.
NO.
POLES
30º INDEXING
3P
NO.
POLES
NO.
POLES
NO.
POLES
MODEL
NO.
MODEL
NO.
MODEL
NO.
SWITCH
FUNCTION
SWITCH
FUNCTION
SWITCH
FUNCTION
TERMINALS
TERMINALS
TERMINALS
A402
A115
A114
A403
A125
A124
A214
4PDT
3 Position
2 Position
3 Position
8 Position
4 Position
2 Position
All Terminals
A,1,2,4,5,7,8,10,11
A,1,4,7,10
A,C,1,4,7,10
A,B,C,D,1,2,4,5,7,
8,10,11
A,1,2,4*
A,1,4*
4P
SP
SP
DP
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K–5
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
www.ckswitches.com
K
Rotar
y
9 Nov 20
A Series
1-4 Pole Rotary Switches
ACTUATOR
MOUNTING STYLE
SHORTING/NON-SHORTING CONTACTS
METRIC BUSHING
PANEL MOUNTING
3/8 IN. BUSHING
PANEL MOUNTING
TYPICAL INSTALLATION
NUT
LOCKWASHER
Maximum force to
push on knob should
not exceed 10 lbs.
S
SHORTING CONTACTS (make-before-break)
N
NON-SHORTING CONTACTS (break-before-make)
R
3/8-32 THREAD
M
M10 x .75 METRIC
S1
SCREWDRIVER SLOT
42
1.654” METRIC
15
1.500” HIGH
14
1.500” HIGH
05
.500” HIGH
03
.375” HIGH
Install switch with stop ring (if used) and
lockwasher in back of panel. Tighten hex nut
from front of panel.
On PC mounted switches, use hex nut and
lockwasher to hold stop ring in place.
Actuation torque: 8–16 oz./in.
Maximum torque: 30 oz./in.
NOTE: ‘S’ shorting contacts are not available with A114, A124 and A214 models.
NOTE: Actuators shown in position 1, fully CCW.
snmwr .m nu.:s,mn ,na: i 1'“ 1—ju TL .5 .050 Z 52 a, m m Pculommus ‘5 \ - .059 on. w. .055 an. H». (1,5er use» an pa 9 m”: an pa s uqu Ls” B+cP W7 3 v2 q5 &‘ +5222? \+ n5 n5 o a JP an: an an: an a m) :7 7n ‘ .374 Du. .m on. m, 2m (22.20;) mm Anal- PmI-cdcn
K
Rotary
K–6
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
www.ckswitches.com
9 Nov 20
A Series
1-4 Pole Rotary Switches
Z
SOLDER LUG
MC
MODULAR BASE (for wave soldering)
C
PC THRU-HOLE
NOTE: Switches with ‘C’ or ‘MC’ terminations have additional terminal no. 9 as switch support only. This terminal
is not connected electrically inside switch. Solder and clean switch base on PC board with other components, then
snap on housing/actuator assembly. See page K-7 for installation instructions.
CONTACT MATERIAL
TERMINATIONS
* Note: See Technical Data section of this catalog for RoHS compliant and compatible definition and specifications.
1
MOVABLE CONTACTS: Copper alloy, with gold plate over nickel plate.
STATIONARY CONTACTS & TERMINALS: Brass, with gold plate over nickel plate.
2
MOVABLE CONTACTS: Coin silver, silver plated.
STATIONARY CONTACTS & TERMINALS: Brass, silver plated (standard with all
termination options).
3
MOVABLE CONTACTS: Coin silver, with gold plate over nickel plate over silver plate.
STATIONARY CONTACTS & TERMINALS: Brass, with gold plate over nickel plate
over silver plate.
All models with all options when ordered with ‘G’ or ‘Q’ contact material.
NOTE: ‘G’ contact material is equivalent to both ‘B’ and ‘Q” contact materials.
NOTE: Any models supplied with Q, B or G contact material are RoHS compliant.
Option Code Contact & Terminal Material Typical Usage Rating Cycles
Q
Silver2Power
SWITCH – 2.5 AMPS @ 125 VAC UL/CSA)
CARRY – 5 AMPS CONTINOUS
6,000
SWITCH – 350 mA @ 125 VDC (UL/CSA)
CARRY – 5 AMPS CONTINOUS
15,000
B
Gold1Low level/ Dry circuit 0.4 VA MAX. @ 20 V AC OR DC MAX 15,000
G
Gold over silver3Low level/ Dry circuit or power
0.4 VA MAX. @ 20 V AC OR DC MAX 15,000
SWITCH – 350 mA @ 125 VDC (UL/CSA)
CARRY – 5 AMPS CONTINOUS
15,000
SWITCH – 2.5 A @ 125 VAC (UL/CSA)
CARRY – 5 AMPS CONTINOUS
6,000
Soldering Cleaning REMOVABLE cup .asz 405 m (10,31nI-7'm an ,sbn nlA, K‘ 57) "3,72” ‘—J— 430 :LM «2 15) <2 959)="" q="" a="" mlmmm-="" i’m-wen="">
K–7
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
www.ckswitches.com
K
Rotar
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9 Nov 20
A Series
1-4 Pole Rotary Switches
FUNCTION
AVAILABLE HARDWARE
SPLASHPROOF
BUSHING SEAL
(FIG. 1)
(FIG. 2) (FIG. 3)
REMOVABLE CLIP
LOCATING
TA B
STANDOFF
K
EPOXY & SPLASHPROOF BUSHING SEAL
F
SPLASHPROOF BUSHING SEAL
NONE
NO SEAL
E
EPOXY SEAL
Stop ring
PART NO.
767B00201
Material: Brass
Finish: Nickel plated
Setting Stops on A112 and A125 Models
The number of switch positions is adjustable on A112
and A125 models only by means of a stop ring provided
with each switch. The number of positions is pre-set on
all other models and the stop ring is factory installed.
Soldering
1. Insert switch base only into PC board.
2. Do not bend terminals.
3. Wave soldering recommended at
500F solder temperature.
4. Hand solder at 500F, 10 sec.
max./terminal.
Switch Assembly
1. Hold housing/shaft assembly by housing. Remove
protective cap by squeezing tabs and discard. (FIG. 1)
2. Do not push on switch shaft. Detent mechanism will
come apart.
3. While holding switch housing, align locating tab on
base with notch on housing and engage 4 housing
latches in slots on base. (FIG. 2)
4. Push firmly on housing until latches snap in place.
5. Remove clip from shaft and discard. Assembly is
complete. (FIG. 3)
Cleaning
1. Flux clean using vapor degreaser and forced
rinse or triple bath method.
2. Do not allow switch base to ‘trap’ fluids.
3. Freon TMC, TF or Methylene Chloride give
excellent results.
To set stops: Turn shaft fully counter-clockwise and
insert stop ring tab in desired hole. Install lockwash-
er and nut to retain stop ring for both PC and panel
mounting. Switch without stop ring has 12 positions.
Soldering, Cleaning and Assembly Instructions for ‘MC’ Termination Option

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