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When the vacuum circuit breaker is in the closed position, its insulation to earth is undertaken by suitable insulators. Once a permanent ground fault occurs in the route connected to the vacuum circuit breaker, and the ground fault point is not cleared after the circuit breaker trips, the vacuum...

1.Details of capacitors ?   Self healing low voltage shunt power capacitor was used in 50Hz and 60Hz power system it mainly improve power factor, reduce reactive power loss, improver power factor, reduce reactive power loss, improve voltage quality. Excavate transformer quantity and so on. It is ...

1，Normal working conditions of Manual Changeover Switch ?   1.1.The air temperature is -5℃~+40℃, the average value within 24 hours should not be over 35℃. 1.2.The relative humidity should not exceed 50% at max temperature +40℃, the higher relative humidity is permissible at lower temperature, fo...

1，Overview of Ground Resistance  Tester. The universal grounding resistance tester is used to measure the resistance value between the casing of various motors, electrical appliances, instrumentation, household appliances and other equipment and their power ground. The instrument has the second ...

1. Overview of isolating switch A load isolation switch is a device that isolates the power outage part from the live part and creates an obvious disconnection point to isolate the faulty equipment or carry out outage maintenance. A load switch that meets the insulation requirements specified ...

1. Overview of MCB    Miniature circuit breaker, referred to as MCB (Micro Circuit Breaker/ Miniature Circuit Breaker), is the most widely used terminal protection appliance in building electrical terminal power distribution devices. It is used for single-phase and three-phase short circuit, ove...

Yueqing Aiso is a professional supplier of export electrical equipment. Export products include: Yueqing Aiso mainly sells to southeast Asia, East Asia and some European markets.   Our factory is a professional supplier of export electrical equipment. Export products include: automatic trans...

  1.Overview of load switch  FLN type indoor high voltage AC load breaker switch refer to international new technology and develop the switching equipment in according to the relevant standards in China’s electric power system. Its performance indicators in full compliance IEC420,694,129 an...

Yueqing Aiso is a professional supplier of export electrical equipment. Export products include: Yueqing Aiso mainly sells to southeast Asia, East Asia and some European markets. Our factory is a professional supplier of export electrical equipment. Export products include: step up down voltage t...

1.What is an SGL isolation switch ?   A: SGL AC load isolation switch is widely used in the distribution system and automatic system of architecture, electrical power, petrochemical, and other industries. it is suitable for AC 50hz, rated voltage to 660V, DC rated voltage up to 440V, Rated curren...

Yueqing Aiso is a professional supplier of export electrical equipment. Export products include: Yueqing Aiso mainly sells to southeast Asia, East Asia and some European markets. Our factory is a professional supplier of export electrical equipment. Export products include: current transformer, 0...