KA-122 (Heater-less)

製品名KA-122 (Heater-less)

Protects inverter-controlled motor coils
Has a higher current capacity than other thermostats

Basic Characteristics

Product summary

Detects excessive increases in temperature

Product purpose

Detect excessive increases in temperature of inverter-controlled compressors or other similar devices, and protect them

Intended use

Inverter-controlled compressors and other similar devices

Operating type

Disk-type bimetal snap action

Compatible standard


Mechanical Characteristics

Case material

Phenolic resin
Tracking resistance: Level 3

Operating temperature range

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

Connection terminal type

FASTON tab terminal (#187, #250)

Product mounting method

Same as KA-122

Electrical Characteristics

Rated voltage

AC 125/250V

Contact withstand current


Characteristics Unique to This Product

  • Set operating temperature: 90 to 130°C
  • Set return temperature: 60°C to 80°C
  • Temperature tolerance: ±5°C