Snap-acting MS Series Small Size Snap-acting Switches Features/Benefits Typical Applications Detect interlock and movement Office equipment Different lever options Consumer electronics Various operating forces Appliances Extended mechanical life Audio & visual equipment UL approval on some designs Medical Customization available Industrial meters RoHS compatible and compliant Specifications Materials CONTACT ARRANGEMENT: SPDT COVER: PBT (UL94V-0) CONTACT RATING: 5 A 125 VAC / 3 A 250 VAC HOUSING: PBT (UL94V-0) OPERATING LIFE: 1,000,000 cycles without load 6,000 cycles with load UL KNOB: PBT (UL94V-0) INITIAL CONACT RESISTANCE: 100 m max. TERMINALS: Silver plated INSULATION RESISTANCE: 100 M min. 500 VDC NOTE: Specifications and materials listed above are for switches with standard DIELECTRIC STRENGTH: 1000 VAC (50-60 Hz) options. For information on specific and custom switches, consult Customer OPERATING TEMPERATURE: -40C to + 85C Service Center. OPERATING FORCE: 130 30 gf PRE-TRAVEL (PT): 0.6 mm max. J OVERTRAVEL: 0.5 mm max. OPERATING POSITION (OP): 8.40 0.40 mm PART NUMBER MS-105A01 Standard Size Dimensions are shown: Inches (mm) Specifications and dimensions subject to change 15 Jul 20 www.ckswitches.com J51MS Series Small Size Snap-acting Switches Specifications PART NUMBER CONTACT ARRANGEMENT: SPDT CONTACT RATING: 5 A 125 VAC / 3 A 250 VAC OPERATING LIFE: 1,000,000 cycles without load MS-105A01-01 6,000 cycles with load UL INITIAL CONACT RESISTANCE: 100 m max. INSULATION RESISTANCE: 100 M min. 500 VDC DIELECTRIC STRENGTH: 1000 VAC (50-60 Hz) OPERATING TEMPERATURE: -40C to + 85C OPERATING FORCE: 65 20 gf PRE-TRAVEL (PT): 3.0 mm max. OVERTRAVEL: 1.0 mm max. OPERATING POSITION (OP): 9.40 1.0 mm Materials COVER: PBT (UL94V-0) HOUSING: PBT (UL94V-0) Standard Size KNOB: PBT (UL94V-0) TERMINALS: Silver plated NOTE: Specifications and materials listed above are for switches with standard options. For information on specific and custom switches, consult Customer J Service Center. Specifications PART NUMBER CONTACT ARRANGEMENT: SPST CONTACT RATING: 5 A 125 VAC / 3 A 250 VAC OPERATING LIFE: 1,000,000 cycles without load MS-105B01 6,000 cycles with load UL INITIAL CONACT RESISTANCE: 100 m max. INSULATION RESISTANCE: 100 M min. 500 VDC DIELECTRIC STRENGTH: 1000 VAC (50-60 Hz) OPERATING TEMPERATURE: -40C to + 85C OPERATING FORCE: 230 50 gf PRE-TRAVEL (PT): 0.6 mm max. OVERTRAVEL: 0.5 mm max. OPERATING POSITION (OP): 8.40 0.40 mm Materials COVER: PBT (UL94V-0) Standard Size HOUSING: PBT (UL94V-0) KNOB: PBT (UL94V-0) TERMINALS: Silver plated NOTE: Specifications and materials listed above are for switches with standard options. For information on specific and custom switches, consult Customer Service Center. Dimensions are shown: Inch (mm) Specifications and dimensions subject to change 15 Jul 20 www.ckswitches.com J52 Snap-acting