Prevents burnout of a single-phase compressor motor
Can be directly inserted into the hermetic pin of a compressor

Basic Characteristics

Product summary

Detects overcurrent / locked rotor current and protects a motor from burnout
Can be directly mounted on the hermetic pin of a compressor

Product purpose

Prevent compressor motor burnout

Intended use

Compressor motor of refrigerators and other appliances

Operating type

Bimetal type
(Convert a current applied to the product into heat in the internal heater, which then operates the bimetal and interrupts the circuit)

Compatible standard


Mechanical Characteristics

Case material

Unsaturated polyester + PBT resin

Operating temperature range

Temperature near motor: 20°C to 100°C
No freezing or condensation allowed

Connection terminal type

Terminal for hermetic pin

Product mounting method

Insert into a common terminal of a compressor's hermetic pin

Electrical Characteristics

Rated voltage

AC 125/250V

Rated capacity

Up to 0.8 kW

Contact withstand current


Contact withstand count

10,000 times or more

Withstand voltage

1500 V for 1 minute
Leakage current: 10 mA or less

Insulation resistance

100 MΩ or higher with a 500-VDC megohmmeter

Characteristics Unique to This Product

  • Set operating temperature: 110 to 160°C
  • Set return temperature: 60°C to 70°C
  • Temperature tolerance: ±10°C