Total 14479 products for automatic circuit breakers Manufacture & Suppliers

• NBSe BN60 Series MCB Micro Circuit Breaker Switch 10kA Breaking Capacity

  

  ...electrical circuit from damage caused by overload or short circuit. Its basic function is to detect a fault condition and interrupt current flow. Unlike fuse, which operates once and then must be replaced, a...

  Wenzhou New Blue Sky Electrical Co.,Ltd

  Zhejiang,China

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• DZ47-63 Series Type B Micro Circuit Breaker 3KA 220V/440V Automatically Operated

  

  ... protection as well as for unfrequent on-and-off switching electric equipment and lighting circuit under nrmal conditionl the product is suitable for industry,business,building,ressidence,etc. It's conformit...

  Wenzhou New Blue Sky Electrical Co.,Ltd

  Zhejiang,China

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• 1P+N Din Rail MCB Circuit Breaker 230V Ue Convenient Operation And Safety

  

  ...Circuit Breaker Product Over View: 1. Provide protection against earth fault/leakage current and function of isolation 2. High short-circuit current withstand capacity 3. Applicable to terminal and pin/fork ...

  WENZHOU SANTUO ELECTRICAL CO.,LTD.

  Zhejiang,China

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• A or AC Type 2P 4P 30MA RCBO Circuit Breaker 6KA Automatically Disconnect STRO7-40

  

  ....Thus it is suitable to avoid the shock hazard and fire caused by earth leakage.It can be used in circuits up to single phase 240V,three phase 415V,50 or 60Hz. Product Over View: 1. Provide protection agains...

  WENZHOU SANTUO ELECTRICAL CO.,LTD.

  Zhejiang,China

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• 32A 40A 63A 100A 2 Pole Rccb Residual Current Circuit Breaker

  

  ... Equipped with finger protected connection terminals Resin parts endures abnormal heating and strong impact Automatically disconnect the circuit when earth fault/leakage current occurs and exceeds the rated ...

  WENZHOU SANTUO ELECTRICAL CO.,LTD.

  Zhejiang,China

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• Plug In Overload Protection 40A RCBO Circuit Breaker

  

  ...Circuit Breaker with Overload Protection Insert type STRO7-40L Series: an electric shock or the residual current of the circuit exceeds the fixed value,the RCBO can cut off the power within the time of 0.1s ...

  WENZHOU SANTUO ELECTRICAL CO.,LTD.

  Zhejiang,China

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• 50KA Thermal Adjustable Molded Case Circuit Breaker 160A 3 Pole

  

  ... operated electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit. Its basic function is to detect a fault condition and interrupt current flow. Unlike a f...

  Hefei Purple Horn E-Commerce Co., Ltd.

  Anhui,China

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• 4.5KA 6KA Miniature Circuit Breaker 1 Pole 2 Pole 3 Pole 4 Pole 1~63A MCB CURVE:B,C,D

  

  ... electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit. Its basic function is to detect a fault condition and interrupt current flow. Unlike afuse, which...

  Hefei Purple Horn E-Commerce Co., Ltd.

  Anhui,China

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• White 63A MCB Three Phase Mini Circuit Breaker 4 Pole RCBO

  

  ...Circuit Breaker 4 Pole RCBO UKB7LE series RCBO is used for the protection against electrical leakage in the circuit of 50Hz or 60Hz,rated voltage 1 phase 230V and 3 phase 400V,rated current up to 63A , 1. Wh...

  Hefei Purple Horn E-Commerce Co., Ltd.

  Anhui,China

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• Intelligent Auto Recloser Circuit Breaker 12kv Remote Control Circuit Breaker

  

  ... referred to as demarcation circuit breaker) is a new product developed by our company independently. The demarcation circuit breaker is a multi-functional intelligent device product integrating vacuum circu...

  WENZHOU QIUPU ELECTRIC POWER CO., LTD.

  Zhejiang,China

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• 63 Amp RCBO RCCB Circuit Breaker / Four Pole Circuit Breaker 50/60 HZ

  

  ...circuit breaker Applicable to terminal and pin/fork type busbar connection Contact position indication Equipped with finger protected connection terminals Fire resistant plastic parts endures abnormal heatin...

  Zhejiang Sefie Electric Co.,Ltd.

  Zhejiang,China

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• 35kv 36kv 38kv Outdoor Permanent Magnetic Actuator Vacuum Circuit Breaker

  

  ...Circuit Breaker 1, Product description ZW20-12 model outdoor AC vacuum circuit breaker is used to make and break load current, overload current and short-circuit current in 12kV, 50/60Hz power system. It's a...

  Qingdao Hengfengyou Electrical Engineering Co., Ltd.

  Shandong,China

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• Eco-Friendly Outdoor 11kv 12kv No Sf6 Vacuum Circuit Breaker

  

  ...short-circuit current in 12kV, 50/60Hz power system. It's applicable for substations, industry and mining, urban and rural electricity power networks, especially applicable in occasions with frequent operati...

  Qingdao Hengfengyou Electrical Engineering Co., Ltd.

  Shandong,China

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• Zw32-12 12kv 11kv Spring Mechanism Outdoor Vacuum Circuit Breaker

  

  ... and short-circuit current in 12kV, 50/60Hz power system. It's applicable for substations, industry and mining, urban and rural electricity power networks, especially applicable in occasions with frequent op...

  Qingdao Hengfengyou Electrical Engineering Co., Ltd.

  Shandong,China

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• Outdoor 12kv Pole Vacuum Circuit Breaker Model Zw8-12

  

  ...Circuit Breaker Model Zw8-12 1, Product description ZW20-12 model outdoor AC vacuum circuit breaker is used to make and break load current, overload current and short-circuit current in 12kV, 50/60Hz power s...

  Qingdao Hengfengyou Electrical Engineering Co., Ltd.

  Shandong,China

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• Zw43-12 Vacuum Circuit Breaker (with Isolation Knife)

  

  ...Circuit Breaker (with Isolation Knife) 1, Product description ZW20-12 model outdoor AC vacuum circuit breaker is used to make and break load current, overload current and short-circuit current in 12kV, 50/60...

  Qingdao Hengfengyou Electrical Engineering Co., Ltd.

  Shandong,China

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• High-Voltage Vacuum Circuit Breaker (VCB ZW8-12, ZW8-12G)

  

  ...short-circuit current in 12kV, 50/60Hz power system. It's applicable for substations, industry and mining, urban and rural electricity power networks, especially applicable in occasions with frequent operati...

  Qingdao Hengfengyou Electrical Engineering Co., Ltd.

  Shandong,China

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• Zw32-12~24kv Vcb Outdoor Vacuum Circuit Breaker

  

  .../60Hz power system. It's applicable for substations, industry and mining, urban and rural electricity power networks, especially applicable in occasions with frequent operation and automatic power distibutio...

  Qingdao Hengfengyou Electrical Engineering Co., Ltd.

  Shandong,China

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• Eco-Friendly Outdoor 11kv 12kv No Sf6 Vacuum Circuit Breaker

  

  ...short-circuit current in 12kV, 50/60Hz power system. It's applicable for substations, industry and mining, urban and rural electricity power networks, especially applicable in occasions with frequent operati...

  Qingdao Hengfengyou Electrical Engineering Co., Ltd.

  Shandong,China

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• 12kv Pole Mounted Vacuum Circuit Breaker for Transformer Station

  

  ...short-circuit current in 12kV, 50/60Hz power system. It's applicable for substations, industry and mining, urban and rural electricity power networks, especially applicable in occasions with frequent operati...

  Qingdao Hengfengyou Electrical Engineering Co., Ltd.

  Shandong,China

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