Dongguan Heng Hao Electric Co., Ltd
| Packaging Details | 1000pcs per carton |
| Delivery Time | 7 days |
| Payment Terms | TT, CASH.LC.WEST UNION |
| Supply Ability | 100000000pcs per month |
| Place of Origin | China |
| Brand Name | HENGHAO |
| Certification | UL,CQC,VDE,ROHS |
| Model Number | BW9700 |
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Product Specification
| Packaging Details | 1000pcs per carton | Delivery Time | 7 days |
| Payment Terms | TT, CASH.LC.WEST UNION | Supply Ability | 100000000pcs per month |
| Place of Origin | China | Brand Name | HENGHAO |
| Certification | UL,CQC,VDE,ROHS | Model Number | BW9700 |
| High Light | motor thermal protection switch ，thermal protection switch | ||
BW Thermoswitch 250v 5a 40 to 155 degree
BW series thermal protector’s Principle and structure
BW series thermal protector 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.
BW series thermal protector’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 thermal protector'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:
| Model | L(mm) | W(mm) | H(mm) | Electrical rating | Lead wire (mm) |
| BW metal | 20 | 7.5 | 3.8 | 5A/250V;10A/250V | AWG#22,AWG#18 high temperature silicone wire L1=L2=70mm, or according to customer’s requirement. |
| 20 | 8.0 | 4.1 | 16A/250V | ||
| BW plastic | 20 | 8.0 | 4.0 | 5A/250V;10A/250V |
9. Open temperature and reset temperature sheet
| Code | Open temp. | Reset temp. | Code | Open temp. | Reset temp. |
| 40 | 40℃±5℃ | ≥30℃ | 100 | 100℃±5℃ | 70±10℃ |
| 45 | 45℃±5℃ | ≥30℃ | 105 | 105℃±5℃ | 70±12℃ |
| 50 | 50℃±5℃ | ≥30℃ | 110 | 110℃±5℃ | 75±12℃ |
| 55 | 55℃±5℃ | ≥30℃ | 115 | 115℃±5℃ | 80±12℃ |
| 60 | 60℃±5℃ | 40±10℃ | 120 | 120℃±5℃ | 85±12℃ |
| 65 | 65℃±5℃ | 45±10℃ | 125 | 125℃±5℃ | 90±12℃ |
| 70 | 70℃±5℃ | 50±10℃ | 130 | 130℃±5℃ | 95±12℃ |
| 75 | 75℃±5℃ | 55±10℃ | 135 | 135℃±5℃ | 100±12℃ |
| 80 | 80℃±5℃ | 60±10℃ | 140 | 140℃±5℃ | 105±12℃ |
| 85 | 85℃±5℃ | 65±10℃ | 145 | 145℃±5℃ | 110±12℃ |
| 90 | 90℃±5℃ | 70±10℃ | 150 | 150℃±5℃ | 115±12℃ |
| 95 | 95℃±5℃ | 75±10℃ |
BW Thermal protector’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.
BW series’drawing
Company Details
Business Type:
Manufacturer,Importer,Exporter
Year Established:
2011
Total Annual:
1000000-5000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Dong Heng Hao Electric Co., Ltd is located in Dongguan City, Guangdong Province with very convenient transportation and favorable Geographic location. We are specialized in developing and producing temperature controllers, thermostat, thermal protectors , temperature switch, temperature... Dong Heng Hao Electric Co., Ltd is located in Dongguan City, Guangdong Province with very convenient transportation and favorable Geographic location. We are specialized in developing and producing temperature controllers, thermostat, thermal protectors , temperature switch, temperature...
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