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Low Voltage Combined Withdrawable Switchgear

MNS type low-voltage combined withdrawable power distribution cabinet is suitable for systems with AC 50~60HZ and rated working voltage of 660V and below.
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  • MNS
  • XiChi

Description of combined switchgear

MNS low-voltage combined withdrawable switchgear (hereinafter referred to as the device) is a product manufactured according to the technology transferred from ABB in Switzerland. The products have been localized by our factory. MNS type low-voltage combined withdrawable power distribution cabinet is suitable for systems with AC 50~60HZ and rated working voltage of 660V and below, for control of power generation, transmission, distribution, power conversion and power consumption.

In addition to being suitable for general places, the device can also be used in offshore oil drilling platforms and nuclear power plants after special treatment. This device complies with 1EC439, VDE0660 Part 5 and GB7251 "Low-voltage switchgear" national standard, ZBK36001 "Low-voltage withdrawable switchgear" professional standard.

Main circuit rated voltage (V)

AC 380 400 660

Auxiliary circuit rated voltage (V)

AC 220 380 400

Rated frequency (Hz)

50(60)

Rated insulation voltage (V)

660 1000

Rated current (A)  

Horizontal busbar

630- 5000

Vertical Busbar (MCC)

1000 2000

Busbar rated short-time withstand current    (kA/1s)

Horizontal busbar

50~100

Vertical Busbar (MCC)

60

Busbar rated peak withstand current(kA/0.1s)

Horizontal busbar

105~250

Vertical Busbar (MCC)

130~150

Power frequency test voltage(V/1min)

The main circuit  

2500

Auxiliary circuit

2000

Busbar

Three-phase four-wire system

A、B、C、PEN

Three-phase five-wire system

A、B、C、PE、N

Protection class

Ip30 Ip40


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