A-67

Dimensions are shown: Inches (mm)

Specifications and dimensions subject to change

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A

KM Series

Subminiature Pushbutton Switches

Features/Benefits

• Reliable contact design

• Available with pretravel

and overtravel

• RoHS compliant

Typical Applications

• Alarm systems

• Computers

• Detector switch application

Specifications

CONTACT RATING: Q contact material (KM11, KM12 Models):

0.25 AMPS @ 125 V AC or DC (UL). See following pages for

additional ratings.

ELECTRICAL LIFE: 10,000 actuations min. at full load

CONTACT RESISTANCE: Below 30 mΩ typ. initial @ 2-4 V DC,

100 mA, for both silver and gold plated contacts

INSULATION RESISTANCE: 109Ω min.

DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level

OPERATING TEMPERATURE: –30ºC to 85ºC

CAP INSTALLATION FORCE: 10 lbs. max. permissible

NOTE: Any models supplied with Q or B 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: 6/6 nylon (UL94V-2), black

ACTUATOR: 6/6 nylon (UL 94V-2), natural. Internal o-ring seal,

available on KM11 models

MOVABLE CONTACT: B contact material: Bronze or copper,

with gold plate over nickel plate. See following pages for

additional contact materials.

STATIONARY CONTACTS & TERMINALS: B contact material:

Copper, with gold plate over nickel plate. See following pages for

additional contact materials.

RETURN SPRING: Music wire, phosphor coated

MOUNTING NUT: 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 following pages. For additional options not shown in catalog, consult Customer Service Center.

Switch Function

KM12 On-Mom., SPDT

KM11 Off-Mom., SPST, N.O.

Actuator

02 .398” high, .122” dia. KM12

01 .122” dia. KM11

Contact Material

B Gold

Q Silver

Seal

NONE No seal

E Epoxy

Bushing/Mounting Style

A Right angle

RR 1/4-40 thread, .225” high

Models Available

Terminations

05 .110” quick connect

08 Right angle, PC thru-hole

02 PC Thru-hole

8 Aug 22