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NRTem 24kV Ring-Main-Unit systems with SF6 free unit technology

Product Characteristics

Prohibited from operating the three-position switch electrically or manually when the circuit breaker is in the closed 

position。

The three-position switch adopts dual-hole operation mode to prevent accidental operation of the grounding switch during 

isolation closing procedures.

When used as a double-busbar sectioning scheme, a mechanical anti-misoperation device with three locks and two keys can 

be installed.

The cabinet door may only be opened for operation and maintenance when both the grounding position and circuit breaker 

are in the closed position.

Adopt a door-closing operation method to ensure personal safety.

Standard equipment includes a complete mechanical switch anti-misoperation protection device, ensuring operational 

safety.

Supports remote monitoring and control of electric switch devices。

The equipment control panel features clear status indicators and straightforward operating instructions.


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