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  • Protect WYE (Star) wound 3-phase motors from 1 to 15HP. Used in refrigeration compressors, submersible pumps and other restrictive environments.
  • Increased protection in a small size, with a rugged all welded windings.
  • Hermetic reliability designed for leakage rates less than 1 x 10-9 per second of air with 1 atmosphere pressure differential.
  • Klixon® snap-action discs assure positive make and break action and controlled temperature differential.


Opening Temperature 90ºC to 170ºC in 5ºC increments
Tolerance ±5ºC
Closing Temperature To suit application
±9ºC for <150ºC opening
±15ºC for ≥150ºC