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VTZ1-40.5(EP) indoor high-voltage AC combined vacuum circuit breaker

Product features:

① The breaker adopts a wall-passing structure, combined with an isolating switch and a clear break, with a grounding switch installed on the arc-extinguishing chamber side. The grounding switch has short-circuit closing capabilities.

② There is a complete anti-misoperation function between the circuit breaker, isolating switch, and grounding switch, with a cabinet door interlock to achieve the full five-proof function.

③ The vacuum arc-extinguishing chamber can be sealed in the wall-passing pole, with an interrupting capacity of up to 31.5kA.

④ Strong environmental adaptability, with a maximum altitude of up to 4500m and a minimum ambient temperature of -40°C.

⑤ Multiple cables can be connected to the cable outlet.

⑥ Compact switch structure and small size.

Application range:

This product is suitable for the control and protection of the high-voltage side in photovoltaic power generation and wind power dedicated pre-installed substations. It features complete functions and is suitable for operation in high-altitude environments. It can be directly installed in the high-voltage end of pre-installed substations without the need for an additional switchgear cabinet. The interlocking system is reliable, and the performance fully meets the requirements for wind power plants.

The VTZ1-40.5 circuit breaker is also suitable for 40.5kV rated voltage three-phase AC 50Hz indoor switchgear, and is used for protection and control in power distribution systems of wind, solar, energy storage power plants, substations, and industrial and mining enterprises.

Ningbo Tianan Smart Grid Technology Co., Ltd.
  • 1688 Danhe East Road, Xiangshan County, Zhejiang Province
  • China
  • +86 0574-59101862
  • +86 0574-59102191
  • kristyone@163.com
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