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  • Qualified per MIL-PRF-8805, Enclosure Symbol 5
  • Hermetically sealed with dry nitrogen gas backfill
  • Proven snap-action switching, reliable performance and long life
  • Excellent shock and vibration resistance
  • Switching up to 4 amps
  • Optimal for low level circuits
  • Temperature range between -275°F and 450°F
  • Small, lightweight axis–symmetric design for robustness and reliability
  • Single and multiple pole designs available
  • Various mounting configurations for custom applications
  • Sealed and unsealed plunger options
  • Wide range of side plate designs for narrow width applications
  • PMA Approvals for various commercial aircraft
  • Customer approvals for space and military applications



Device Type Low Temperature
Maximum Actuating Force (STP) 28 oz
Minimum Release Force (STP) 1 oz
Maximum Pretravel 0.009”
Maximum Movement Differential 0.003”
Minimum Overtravel 0.002”
Overtravel Stop No
Maximum Force on Actuator 5 lb
Current Ratings
in Amps

Resistance 3
Inductive 1
Lamp 1
Minimum Life @ Rated Load 25K
Minimum Mechanical Life Cycles 50K
Ambient Temperature Range -275°F to 275°F
(-170.5°C to 135°C)
Dielectric Strength
Terminal to Case Terminal to Terminal
1000 VRMS
800 VRMS
Max Leakage 1 x 10-8 Std. cc He/Sec @ 1 atmosphere differential
Shock Resistance 200G, 6 ms sawtooth
Vibration Resistance 65G, 10-2000Hz, .5DA or 65GTMS
Insulation Resistance @ 500VDC 100 Megohms
Voltage Drop @ 1 amp 0.04
SEAL (MIL-S-8805) Design Enclosure 5
Backfill Dry nitrogen with 10% helium

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