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MM

Subminiature Precision Snap-acting Switches

MM, Snap-acting

Features/Benefits

  • Low level and power switching
  • Long electrical and mechanical life
  • Increased overtravel
  • Reliable snap-acting mechanism

Typical Applications

  • Limited space constraints
  • Communication devices

Specifications

  1. CONTACT RATING: From low level* to 7 AMPS @ 250 V AC.
  2. ELECTRICAL LIFE: 100,000 cycles at full rated load.
  3. INSULATION RESISTANCE: 1,000 ohm min.
  4. DIELECTRIC STRENGTH: 1,000 V RMS min. @ sea level.
  5. OPERATING TEMPERATURE: –67 F to 275 F (–55 C to 135 C).
  6. OPERATING FORCE: 5 oz. (142 grams) max. at actuator button.
  7. MOUNTING: 2-56 screws, torque 2 in/lbs max.
  8. Low Level=conditions where no arcing occurs during switching, i.e., 0.4 VA max. @ 20 V AC or DC max.

Materials

  1. SWITCH HOUSING: Heat resistant phenolic (UL 94V-0).
  2. ACTUATOR BUTTON: Heat resistant phenolic (UL 94V-0).
  3. SPRING: Beryllium copper CDA alloy C17200.
  4. PIVOT: Brass CDA alloy 260.
  5. MOVABLE CONTACTS: Fine silver for ratings greater than 1 AMP @ 125 V AC. 24K gold for 1 AMP @ 125 V AC or less.
  6. 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.
  7. TERMINALS: Copper CDA alloy C18700.