Detect KM Series Subminiature Detect Switches Features/Benefits Typical Applications Reliable contact design Alarm systems Available with pretravel Computers and overtravel Detector switch application RoHS compliant Models Available Specifications Materials CONTACT RATING: Q contact material: HOUSING & BUSHING: 6/6 nylon (UL94V-2), black. 0.25 AMPS 125 V AC or DC (UL). See page F-29 ACTUATOR: 6/6 nylon (UL 94V-2), natural. for additional ratings. MOVABLE CONTACT: B contact material: Bronze or copper, ELECTRICAL LIFE: 10,000 actuations min. at full load. with gold plate over nickel plate. See page F-39 for CONTACT RESISTANCE: Below 30 m typ. initial 2-4 V DC, additional contact materials. 100 mA, for both silver and gold plated contacts. STATIONARY CONTACTS & TERMINALS: B contact material: 9 INSULATION RESISTANCE: 10 min. Copper, with gold plate over nickel plate. See page F-29 for additional contact materials. DIELECTRIC STRENGTH: 1,000 Vrms min. sea level. RETURN SPRING: Music wire, phosphor coated. OPERATING TEMPERATURE: 30C to 85C. MOUNTING NUT: Brass, nickel plated. CAP INSTALLATION FORCE: 10 lbs. max. permissible. TERMINAL SEAL: Epoxy. 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. 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 E-28 and E-29. For additional options not shown in catalog, consult Customer Service Center. Switch Function KM12 On-Mom., SPDT Actuator 02 .398 high, .122 dia. KM12 E Bushing/Mounting Style A Right angle Terminations 08 Right angle, PC thru-hole Contact Material B Gold Q Silver Seal E Epoxy Dimensions are shown: mm Specifications and dimensions subject to change www.ckswitches.com E27KM Series Subminiature Detect Switches SWITCH FUNCTION SWITCH FUNCTION CONNECTED TERMINALS POS. 1 POS. 2 POS. 1 POS. 2 NO. POLES MODEL NO. SCHEMATIC SP ON MOM. 2-1 4-3 KM12 SPDT SPDT Part number shown: KM1202A08BE ACTUATOR 02.398 HIGH, .122 DIA. NOTE: Caps available for plunger options, see page E-29. BUSHING/ MOUNTING STYLE ARIGHT ANGLE PC MOUNTING E TERMINATIONS 08RIGHT ANGLE, PC THRU-HOLE Third Angle Projection Dimensions are shown: mm Specifications and dimensions subject to change www.ckswitches.com E28 Detect