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Electric Motor Thermo Switch - China

price: contact company for price

◆Instruction: BW-A serial universal and enhanced protectors with

mini metal casing are widely used in motor of industry, electrical

household appliance and electric equipment to avoid abnormal operation

caused by overcurrent and overtemperature. The products provide

effective, reliable and safe protection. The enhanced casing is suitable

for internal installation of plastic hermetic motor, which can bear the

plastic molding pressure at 3.5Mpa. The performance of the products

satisfies the standards including IEC34-11, GB13232, GB/T13002, etc.

◆Structure and protection principle BW-A serial universal and

enhanced protectors with large metal casing are composed of the thermal

conductive metal casing, bimetallic parts welded with silver alloy

contact point, conductive bracket, insulation fixation stand, fixed

contact strip and heat resistance cable. In case of abnormal operation,

along with the increase of the environment temperature to the set value,

the bimetallic parts perform quick action, open the contact point, and

disconnect the circuit. When the device is cooled to the temperature for

safe operation, the contact point will automatically closes and recover

normal operation. ◆Installation and overall dimensions

BW-A型外型尺寸结构图

ProModel length wigth height Cable

BW-A type large iron casing 19.5±0.4 7.3±0.2 3.1±0.1 The cables are AWG20#, 22# silicone cable and electronic irradiated cable. Customized service is available.

◆Rated action temperature table

specification Action temperature specification Action temperature range

50℃ 50±5.0℃ 100℃ 100±5.0℃

55℃ 55±5.0℃ 105℃ 105±5.0℃

60℃ 60±5.0℃ 110℃ 110±5.0℃

65℃ 65±5.0℃ 115℃ 115±5.0℃

70℃ 70±5.0℃ 120℃ 120±5.0℃

75℃ 75±5.0℃ 125℃ 125±5.0℃

80℃ 80±5.0℃ 130℃ 130±5.0℃

85℃ 85±5.0℃ 135℃ 135±5.0℃

90℃ 90±5.0℃ 140℃ 140±5.0℃

95℃ 95±5.0℃ 145℃ 145±5.0℃

150℃ 150±5.0℃

Note: The recovery temperature is 2/3 of the standard action temperature with the tolerance of ±15℃ or specified by customer.

◆Contact point maximum capacity

Voltage 24V-DV 125V-AC 250V-AC

current 12A 12A 8A

Electric Motor Thermo Switch

For any questions and needs please contact us below


Company Contact:


  • Phone: 8618925409861

  • Address: tiantou industrical zone hengli town, donggguan, China

  • Email: Email


Published date: September 7, 2012 -

  • Business Description: Dongguan Kaien Electronic Science & Technology Co., Ltd. has engaged in production of KSD301 thermo switch,BW9700 thermal protector,17AM thermal protector,bimetal thermostat ,electric kettle thermostat,mini size thermostat,water dispeser thermostat,steam garment thermostat,rice cooker thermostat,electric motor thermostat.All of our product All of our products passed the certification of CQC, UL, CUL, VDE and CB, and meet the requirements as per RoHS directive issued by European Union. and develops close cooperation relationship with the international famous brands like BMW and Wal mart and the famous enterprises with mainland China brands including Japan Sanyo, Broad Ocean Motor, Welling Motor, Gree Electric Appliances, and Haier Electric Appliances. Our products are well sold to the countries and regions including Japan, Singapore, Korea, USA, Germany, Canada, and India.

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