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    Big current bimetal thermostat

  • Model:KSD 405
  • Voltage: 125VAC;250VAC;400VAC
  • Current: 20A;45A
  • Temperature range: 0~140
  • Special features: Manual reset; big current;snap action
  • PDF:
We  keep  in  researching  and  developing  high-tech  and  innovative  bimetal  thermostat,  thermal  protector,  thermal  switch,  thermal  cutout,  and  capillary  thermostat  with  reliable  quality. Hotline:0086 13924337782

KSD 405 series bimetal thermostat is a big current protective product with two poles, the max rated current can be 45A, it is snap action and can be manual reset. It mainly used in used in high-duty electric water heater for overheating protection. 

* Special Features of big current bimetal thermostat:

1. Small size and easy for mounting
2. High current sensitivity
3. Precise temperature control
4. The max current can be 45A
5. Manual reset


* Electrical Ratings of bimetal thermostat:

1.250VAC:45A                                                                                                                                                                                                                                                                                                                                                                                         2.400VAC: 20A
3.Contact Resistance:<50mΩ
4. Insulation resistance: 2KV/0.5mA/1Min


* Temperature ratings and range of bimetal thermostat for water heater:

1. Action temp: 0~140ºC,every 5ºC per rating
2. Tolerance of Action temp: ±5℃

* Applications of bimetal thermostat:
1. Water heater;
2. Ventilation equipment; 
3. Electrical tools and other home appliance

* Certifications:

* Dimensional drawing of bimetal thermostat:

KSD 405  dimensional drawing
KSD 405 bimetal thermostat


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