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Working Principle:
Normally closed contact system, which is operated by a snap action of bimetal disc, is sensitive to temperature. When properly applied, protector shuts off the motor when temperature exceeds maximum safe level due to an overheating condition. It has the steel case and is convenient to be installed.

Using Range:
This type thermal protector motor protector is widely applied to overheating protection in Motor, Fans, Submersible Pump, Various Pumps, Fluorescent Lamps Ballast, Lamps and Lanterns, Transformer, Winding and Appliances etc.

Specification:
Electrical Ratings: AC 250V/10A, 125V/22A, 16V-DC/20A
Circuit Control Mode: NC/NO (Automatic Resetting)
Rated Action Temperature: 60º C---170º C (Designed by user's requirements)
Open Tolerance: ± 5º C
Open & Close Tolerance: 10º C-50º C
Close Tolerance: ± 10º C, ± 15º C
Action Cycle: No less than 10, 000 times
Normal Electric Strength: Not Broken within 2000V / 1 minute, No flash.
Normal Isolated Resistance: >100M ¦¸