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Dongguan Heng Hao Electric Co., Ltd.

China Manufacturer with main products: Ksd301temperature Switch, Bw9700 Thermal Protector, 17am Thermostat, Juc-31f Temperature Switch, St-12 Thermal Protector, St-12 Thermal...

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BW thermal motor protector, BW thermal switch

FOB Price: 0.95 - 1.10 RMB/Piece
Supply Ability: 1,000,000,000,000 Piece/Pieces per Month
Shipping: By air, or by sea
Payment Terms: L/C, T/T, Western Union
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Guangdong in China
Packaging Details: 5000 pieces per carton

Quick Details

  • Safety Standards: IEC
  • Breaking Capacity: High
  • Usage: Thermal
  • Model Number: BW
  • Brand Name: HENG HAO
  • SIZE: 20*8*4MM, 20*7.5*3.8MM
  • Voltage and Current: 250V 5A



BW seriePrinciple and structure

is to use a certain geometry of bimetallic strip, without auxiliary institutions, only by bimetallic strip their own sense of mild heating current, rapid changes in the state of bimetallic element, direct drive contact automatic cutting and processing circuit, overheat protection, overload protection.

's application

It is widely applied in Electric motors and electrical equipment as electric blanket, hot wall, washer motor, soybean milk machine motor, Fan motor, air condition motor, fractional motor, direct current motor, AC brushless motor, water pump, transformer, rectifier, lighting, rechargeable battery,electric heating appliance etc.

BW series s specification

1. Contact's type: Normally closed and Normally open

2. Electrical rating: 10A/AC120V; 8A/AC250V; 10A/AC250V; 16A/AC250V

3. Circuit resistance: 50mΩ (Initial value)

4. Insulation resistance:100mΩ

5. Action temperature range: 40~150

6. Case: metal case and plastic case

7. Life: ≥10,000 times

8. Size:





Electrical rating

Lead wire (mm)

BW metal





AWG#22,AWG#18 high temperature silicone wire L1=L2=70mm, or according to customer's requirement.





BW plastic






s competitive advantage

1. Small size and easy installation

2. Quick bimetallic strip, fast reaction

3. The life time high than 10,000 times

4. Prevention again leak of vacuum impregnation process

5. Replacer of SENSATA 17AM 7AM, SEKI ST-22 etc.

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

  • ECVV Supply

    ECVV is responsible for supply, and provides product quality inspection, fund supervision and supply chain services.

  • Product Quality Commitment

    ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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