KA/NA-172

製品名KA/NA-172

Prevents burnout of a single-phase motor
Higher tracking resistance than the 122 type

Basic Characteristics

Product summary

Detects overcurrent / locked rotor current and protects a motor from burnout
Product purpose

Prevent compressor motor burnout
Intended use

Compressor (for refrigerators, air conditioners, 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

UL、CQC

Mechanical Characteristics

Case material

Unsaturated polyester
Tracking resistance: Level 0
Operating temperature range

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

FASTON tab terminal (#250)
Product mounting method

Place the product into a Φ25 hole and bring it into intimate contact with the motor

Electrical Characteristics

Rated voltage

AC 125/250V
Rated capacity

Up to 1.5 kW
Contact withstand current

60/40A
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: 100°C to 160°C
  • Set return temperature: 60°C to 70°C
  • Temperature tolerance: ±10°C
  • NA failsafe (with safety mechanism)

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