M

M–3

Dimensions are shown: Inches (mm)

Specifications and dimensions subject to change

www.ckswitches.com

3 Series

Thumbwheel Switches

Features/Benefits

Typical Applications

Specifications

CONTACT RATING:

CARRY: 1 AMP continuous.

SWITCH: 100 mA max.

OPERATING VOLTAGE: 50 mV to 28 V DC or 120 V AC.

ELECTRICAL LIFE: 100,000 actuations.

CONTACT RESISTANCE: Below 100 m Ω typ. initial @

2-4 V DC, 100 mA.

INSULATION RESISTANCE: 109 Ω min.

DIELECTRIC STRENGTH: 500 Vrms min. @ sea level

between common terminal and any output.

OPERATING TEMPERATURE: -40ºC to 65ºC.

Materials

HOUSING: ABS plastic.

THUMBWHEEL: ABS plastic.

ROTOR CONTACTS: Precious metal on copper alloy.

STATOR CONTACTS: Hard gold over nickel over copper

on epoxy fiberglass.

NOTE: Specifications and materials listed above are for switches with standard options

For information on specific and custom switches, consult Customer Service Center.

* Note: All models listed are RoHS compliant. See Technical Data section of this catalog for

RoHS compliant and compatible definitions and specifications.

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 M–4 thru M–10. For additional options not shown in catalog, consult Customer Service Center.

Consult factory for illumination availability.

Series

Number of Sections

switch sections

Seal

Function Code

Terminations

Color/Marking/Stops

black wheel,

white marking

Mounting Style

*X9 mounting styles must be ordered with ‘0’ number of sections.

** 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).

6 Mar 20