400V Fixed Metal-Enclosed LV Switchgear | GFB2

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Low Voltage Switchgear
400V Fixed Metal-Enclosed Switchgear

LOW VOLTAGE SWITCHGEAR

400V Fixed Metal-Enclosed Switchgear

Standards: GB/T 7251.12-2013

The GFB2 fully enclosed AC low-voltage distribution cabinet is designed and developed for low-voltage distribution systems in power companies. It achieves full enclosure of the cabinet and separation between components, providing higher safety and power supply reliability. This product is suitable for distribution systems with a rated frequency of 50Hz, a rated operating voltage of 400V, and a rated operating current up to 2500A for power conversion, distribution, and control of power, lighting, and distribution equipment.

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Technical Specifications

Rated Insulation Voltage (V): 800 (feed and control cabinet),1000 (input cabinet)

Rated Working Voltage (V): 400

Rated Insulation Voltage of Auxiliary Circuit (V): 500

Rated Frequency (Hz): 50/60

Rated Current of Main Busbar (A): 4000-1600

Rated Current of the Distribution Busbar (A): 2000-1000 (feed and control cabinet)

Rated Short-Time Withstand Current of Main Busbar (kA): 80

Rated Short-Time Withstand Current of Distribution Busbar (kA): 50

Enclosure IP Class (indoor): IP41

Operating Conditions

Highest Temperature: +40℃

Lowest Temperature: -5℃

Average Air Temperature within 24 Hours: ＜35℃ (Derating operation is required if this temperature is exceeded)

Relative Humidity: daily average ≤95% (at +20℃), ＜50% (at +40℃)

Seismic Grade: 8

Indoor Altitude: ≤2000m

Note: Contact HCRT if a different condition is required. We offer customized solutions as well.