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ZN100-12 vacuum circuit breaker

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Structural Features

1、Compact product with small size, compact structure, high safety and reliability, and long service life.
2、The switch adopts side-mounted or upside-down installation; the operating mechanism is located at the upper front part for easy operation and maintenance.
3、It adopts composite insulation. Each pole of the circuit breaker is sealed with an epoxy resin cylinder, featuring a fully enclosed structure.
4、A spring-operated mechanism is selected, which supports manual operation and enables remote control, remote signaling, and remote measurement (RTU).
5、A vacuum interrupter is adopted, offering long mechanical service life, simple maintenance, and no pollution.
6、The mechanical interlock features an innovative design, which is simple and highly reliable.

This product complies with the following standards

GB 1984-1999 AC High-Voltage Circuit Breakers
GB/T 11022-1999 Common Technical Requirements for High-Voltage Switchgear and Controlgear

GN□-12/630 Rotary Isolating Switch



Structural Features
1、Fully insulated and rotary type.
2、It is equipped with complete mechanical interlocking with circuit breakers, load switches and cabinet doors, and complies with the relevant provisions of SD 318-89 Technical Conditions for Interlocking Devices of High-Voltage Switchgear issued by the power sector.

Fuse Chamber

The rotation-type fuse structure with a patented design achieves both visible isolation breakpoints and convenient fuse extraction for replacement.

Operating Position:
The fuse is in a vertical position, and is connected to the load switch and the outgoing line respectively.

Open Position:
The fuse is in a horizontal position, with clearly visible breakpoints from both the load switch and the outgoing line, achieving an isolation function.

Maintenance Position:
The fuse is in a horizontal position. If the fuse needs to be replaced, the drawer that secures the fuse structure can be pulled out for convenient fuse replacement.
Note: The above three positions are interlocked with the actual position of the circuit breaker.

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