Description

It is mainly composed of a frame, an isolation switch (the current limiting fuse of the combined electrical appliance is installed on the isolation switch), a vacuum interrupter, a grounding switch, a spring operating mechanism, etc.It is suitable for three-phase AC 35kV, 50Hz power system, or used with complete sets of power distribution equipment, ring network switchgear, combined substation, etc.

Industry applications

It is widely used in wind power generation, urban grid construction and renovation projects, industrial and mining enterprises, high-rise buildings and public facilities, etc., and can be used for power distribution, control and protection of ring network power supply units or terminal equipment.

Features

• State-of-the-art vacuum interrupter.
  

• Compact structure and small size. 

• Long electrical life and frequent operation.

• Strong closing and breaking ability, safe and reliable.

• Easy to operate and maintain.

• Flexible spring-actuated mechanism

• It uses an electric motor (with manual) spring energy storage.

• It has the ability of remote control.

• There are two methods: electromagnet electric synthesis and interpretation.

• It can be equipped with over-current protection function.

• Powerful all-in-one features

• It integrates circuit breaker, disconnector and grounding switch.

• Visible isolation fractures and grounding knives with closing capability.

• Reliable mis-proof mechanical interlocks.

• The ability to interrupt the rated current (NFZR77-40.5D/T63-31.5 interruptable short-circuit current) and prevent the equipment from running out of phase.

Technical parameters

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Why choose us

• We have a professional service team

• We have good after-sales

• We can guarantee the quality of our products