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Quick Details

  • Place of Origin: Jiangsu, China (Mainland)
  • Brand Name: HANCONG
  • Model Number: BW
  • Feature: Snap action, normal closed, auto reset
  • Contact rating: 10A/125VAC; 5A/250VAC; 10A/24VDC
  • Thermal switch dimension: 15X6.5X3.1mm; 20X7.5X3.6mm
  • Open temperature: 50C to 155C, in 5C increasement
  • Cable: AWG20, 70mm long, special requests accepted
  • Advantage01: Good price and quality, long life, accurate temperature control
  • Advantage02: Large production capacity, prompt delivery
  • Certificates: UL, VDE, CCC, CB, ROHS
  • Item: Thermal protector-65

Packaging & Delivery

Packaging Details Packaging Details: BW thermal protector, motor thermal protector package:100pcs per small clear bag, 5000pcs per carton. Carton sie:32X30X25CM N.W/G.W.:12.5Kg/13.5Kg
Delivery Time 1-2 weeks
Product Description

BW-A1D Thermal protector, thermal switch, bimetal thermal switch , motor thermal protector, thermal overload protector , bimetal thermal protector, thermal cutoff, bimetal thermostat, resettable thermal fuse, bimetal switch,  bimetal thermostat switch,  thermal protector, motor thermal protector


Snap action thermal protector , automatic reset type with UL,VDE, CB, CCC , Rohs compliant


Work principle:

BW-A1D thermal protector is a temperature automatic response devide and is connected in series to the winding of motor. The contacts open on temperature rise and reset after the temperature drops down.




A1D series thermal protectors are devices for protecting against overload and over temperature. They are usually used for AC 220v /50Hz one phase motors to protect motor from over temperature caused by unusual state such as overload, blocked up. They are also used for protecting against over temperature & temperature control in lighting appliance, heater, fluorescent ballast, IC etc.


Main features:

Snap action, normal closed, auto reset

Contact rating: 10A/125VAC; 6A/250VAC; 10A/24VDC
Thermal switch dimension: 15X6.5X3.1mm

Open Temperature: 50C to 155C,  in 5C increasement

Tolerance for open temperature: +/-5C

Cable:Stardard:AWG20 silicon cable or AWG#22 UL3326 PE cable, 70mm long, special requests accepted
Approval: UL,VDE, CQC,CB, Rohs compliant

Advantage:Good quality, good price, prompt delivery guaranteed.


Cutoff temperature table:(reset temperature for reference)

ModelOpen tempertureReset tempertureModelOpen tempertureReset temperture


Dimension: with leadwire and with insulation sleeve, the cable and length can be made according to customer's request:

15X6.5X3.1mm with 70mm cable, special requests for the cable acceptable


 Ultimate Tripping Current Vs Ambient Temperature ( for reference only)


There is also other models for your choices, pls click here:



Product Picture




Product Process


Production Line:


Packaging & shipping


Goods ready to be delivery:



Storage Condition:

During the transport and storage, the packages can not be exposed to snows or rains, and should avoid strong force outside.  It shouId be stored in a dry and ventilative warehouse.


Customers' special requests accepted. Pls contact us for more



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