Product name:

EVH1-12/24 series indoor high-voltage AC vacuum circuit breaker

Product introduction:

This series of vacuum circuit breakers is a three-phase AC 50Hz, rated voltage 12-24kV indoor high-voltage switchgear, which can be used for industrial and mining, enterprises, power plants and substations for the control and protection of electrical facilities.

Product features:

1. Long life, simple maintenance, no pollution, no explosion hazard, low noise, frequent operation;

2. The EVH1-12/24 series vacuum circuit breaker arranges the arc extinguishing chamber and the operating mechanism front and back on a common frame, that is, an integral layout. This structural design can make the operating performance of the operating mechanism more consistent with the required performance of the arc extinguishing chamber opening and closing, reduce unnecessary intermediate transmission links, reduce energy consumption and noise, and make the circuit breaker operating performance more reliable. EVH1-12/24 series indoor high-voltage vacuum circuit breakers can be installed in both trolley-type switchgear and fixed-type switchgear;

3. The main circuit of the circuit breaker adopts a structure in which the vacuum interrupter is encapsulated in the insulating pole. The vacuum interrupter is longitudinally encapsulated in a tubular insulating cylinder, which is cast from epoxy resin using the APG process. This structural design can not only prevent the vacuum interrupter from being damaged by external factors, but also ensure that it can present a high resistance state to the voltage effect even in a hot and humid and severely dirty environment. The operating mechanism is an independent spring energy storage type with manual and electric energy storage functions. The operating mechanism is placed in the chassis in front of the interrupter and is a splint-type structure.