Type CJS Seismic Switches (Magmastat)

Catalog and Other Information
  • cjs

    CJS

Features

  • Highly reliable seismoscope with rolling steel ball.
  • Shuts off electrical circuits of various burning appliances, etc., in the event of an earthquake above a certain seismic intensity.
  • The structure is not easily affected by magnetism, temperature, and other ambient conditions.
  • Integrated checker button allows for easy operational checks.
  • Tokyo Fire Department Type Approval Number 85L–1681

Applications

Freezers, refrigerators, heaters, hot water boilers, steam boilers

Common Specifications

Setting acceleration: 101 to 170 cm/s2
Seismic indicator: Red indicator light
External output: With output terminal for remote alarms
Electrical ratings: AC 125 V 10 A, AC 250 V 7 A (cosφ=0.6)
Operating ambient temperature range: -20 to 70℃

Temperature Controls/Other Switches