Connected to a heater, fan or other electric appliances in parallel to control temperature
Can be used as a temperature sensor.

Basic Characteristics

Product summary

Detects temperature changes
Can be installed directly to heat-sensitive parts
Waterproof version of TH-100

Product purpose

Temperature control and prevention of excessive increases in temperature of various electrical devices

Intended use

Control and monitor the temperature of a freezer's defrosting heater or pump
Waterproof version of TH-100

Operating type

Disk-type bimetal snap action

Compatible standard


Mechanical Characteristics

Case material


Operating temperature range


Connection terminal type

2-core cable
VCTF 0.75 mm2

Product mounting method

Use a metal band or other means

Electrical Characteristics

Circuit diagram

A contact or b contact

Rated voltage

AC 125/250V

Rated capacity


Contact withstand current


Contact withstand count

10,000 times or more

Withstand voltage

2,100 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: -20 to 90°C
  • Temperature tolerance: ±5°C
  • Differential: 10K to 40K