C&K 3 Series
Thumbwheel Switches
Features/Benefits
Typical Applications
• Most complete product offering in the industry • Test & measurement equipment
• Spacers available to fit most panel cutouts
• Front or rear mounting options
• Industrial equipment
• Computer devices
Specifications
Materials
CONTACT RATING:
HOUSING: ABS plastic.
CARRY: 1 AMP continuous.
SWITCH: 100 mA max.
THUMBWHEEL: ABS plastic.
ROTOR CONTACTS: Precious metal on copper alloy.
OPERATING VOLTAGE: 50 mV to 28 V DC or 120 V AC.
ELECTRICAL LIFE: 100,000 actuations.
STATOR CONTACTS: Hard gold over nickel over copper
on epoxy fiberglass.
CONTACT RESISTANCE: Below 100 m Ω typ. initial @
NOTE: Specifications and materials listed above are for switches with standard options
For information on specific and custom switches, consult Customer Service Center.
2-4 V DC, 100 mA.
9
INSULATION RESISTANCE: 10 Ω min.
* Note: All models listed are RoHS compliant. See Technical Data section of this catalog for
RoHS compliant and compatible definitions and specifications.
DIELECTRIC STRENGTH: 500 Vrms min. @ sea level
between common terminal and any output.
OPERATING TEMPERATURE: -10ºC to 65ºC.
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 N–9 thru N–12. For additional options not shown in catalog, consult Customer Service Center.
Consult factory for illumination availability.
Series
3
Thumbwheel switch
Number of Sections
0
1
2
3
4
5
6
7
8
9
Switch section
1 Switch section
2 Switch sections
3 Switch sections
4 Switch sections
5 Switch sections
6 Switch sections
7 Switch sections
8 Switch sections
More than 8
Function Code
11 Decimal, SP, 10 position
14 Resistor decade
21 BCD, 10 position
23 Complement of BCD, 10 position
27 BCD, 10 position
Mounting Style
00 Snap-in, front mount
09 Snap-in, front mount*
10 Rear mount
19 Rear mount*
20 Rear mount
29 Rear mount*
Terminations
31 BCD, 10 position
71 BCH, 16 position
0
Type 0
1
Type 1, extended type 0
Solder pins with .100” spacing**
Solder pins with .156” spacing**
Any combination
N
P
9
switch sections
Color/Marking/Stops
*X9 mounting styles must be ordered with ‘0’ number of sections.
N
0
Matte black body, gloss
black wheel,
Seal
white marking
0
1
2
3
No seal
Sealed contacts
Dust lens
Sealed contacts & dust lens
** Note: Termination option N (RoHS compliant) replaced termination option 3 (Non-RoHS compliant).
Termination option P (RoHS compliant) replaced termination option B (Non-RoHS compliant).
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
www.ittcannon.com
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