1200870335

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1200870335, also known as high-voltage DC circuit breaker is a key equipment used for power system equipment. It is a kind of switching device used to close or open circuit under the high pressure of circuit. It is a kind of powerful equipment for stable operation of grid and important protection device for electric equipment. Moreover, it can be used in short circuit and current over accept protection on system.

The application field of 1200870335 mainly consists of ring main unit, unit switches, dismantling unit switch and non current-carrying parts. It can be applied in direct current power system, low voltage circuit breaker and also on the power system with open or closed loop. In addition, it can be applied in oil and air insulation field.

The working principle of 1200870335 is very complex. Basically, there are three parts of 1200870335: bimetallic strip, spring and contact armature. When the fault current is lower than setting value, it can use the bimetallic strip to break the circuit automatically. When the fault current passes the setting value, it moves the contact armature arc to make the circuit break. The third part needs to use spring. The pulling force increases when the fault current over the setting value and spring produces a pulling force to the contact armature.

Since 1200870335 works under high voltage and current, the safety of it is important. It can ensure no-load operation and over-current protection in high voltage systems. The reason why it can do that is because it can break the contact when the current is bigger than the setting value. In this way, the electric power system will not be damaged due to overload current.

1200870335 is a necessary equipment for the power supply and its application field is quite wide. It can be used in the direct current power system, low voltage circuit breaker, and power system with open or closed loop. In addition, its working principle is quite complex and the safety is quite important when it operates under high voltage and current. Therefore, 1200870335 is a key equipment used for the power supply.

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