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KM
Subminiature Pushbutton Switches
Features/Benefits
- Reliable contact design
- Available with pretravel and overtravel
- Extended overtravel option
- 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); (KM33 Model): 1 AMP @ 125 V AC or 28 V DC. See page A-69 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.
Materials
- HOUSING & BUSHING: 6/6 nylon (UL94V-2), black.
- ACTUATOR: 6/6 nylon (UL 94V-2), natural. Internal o-ring seal,available on KM11 & KM33 models.
- MOVABLE CONTACT: B contact material: Bronze or copper, with gold plate over nickel plate. See page A-69 for additional contact materials.
- STATIONARY CONTACTS & TERMINALS: B contact material: Copper, with gold plate over nickel plate. See page A-69 for additional contact materials.
- RETURN SPRING: Music wire, phosphor coated.
- MOUNTING NUT: Brass, nickel plated.
- TERMINAL SEAL: Epoxy.