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MM
Subminiature Precision Snap-acting Switches
Features/Benefits
- Low level and power switching
- Long electrical and mechanical life
- Increased overtravel
- Reliable snap-acting mechanism
Typical Applications
- Limited space constraints
- Miniaturized military devices
- Communication devices
Specifications
- CONTACT RATING: From low level* to 7 AMPS @ 250 V AC.
- ELECTRICAL LIFE: 100,000 cycles at full rated load.
- INSULATION RESISTANCE: 1,000 ohm min.
- DIELECTRIC STRENGTH: 1,000 V RMS min. @ sea level.
- OPERATING TEMPERATURE: –67 F to 275 F (–55 C to 135 C).
- OPERATING FORCE: 5 oz. (142 grams) max. at actuator button.
- MOUNTING: 2-56 screws, torque 2 in/lbs max.
- Low Level=conditions where no arcing occurs during switching, i.e., 0.4 VA max. @ 20 V AC or DC max.
Materials
- SWITCH HOUSING: Heat resistant phenolic (UL 94V-0).
- ACTUATOR BUTTON: Heat resistant phenolic (UL 94V-0).
- SPRING: Beryllium copper CDA alloy C17200.
- PIVOT: Brass CDA alloy 260.
- MOVABLE CONTACTS: Fine silver for ratings greater than 1 AMP @ 125 V AC. 24K gold for 1 AMP @ 125 V AC or less.
- STATIONARY CONTACTS: Fine silver inlay on copper CDA alloy C10200 for ratings greater than 1 AMP @ 125 V AC. 24K gold on copper CDA alloy C10200 for 1 AMP @ 125 V AC or less.
- TERMINALS: Copper CDA alloy C18700.