GCS-0.4kV Low-voltage Withdrawable Switchgear

The GCS-0.4 type low-voltage withdrawable switchgear is a low-voltage power distribution device for power distribution, motors and other electrical facilities in three-phase AC 50HZ power generation and power supply systems with a rated voltage of 380V (400)V (660)V and a rated current of 4000A and below.

    Product Features

    The GCS-0.4 type low-voltage withdrawable switchgear is suitable for power distribution systems in industries such as power plants, petroleum, chemical, metallurgy, textiles, and high-rise buildings. It is an ideal low-voltage complete power distribution unit for use in large power plants, petrochemical systems, and other highly automated power distribution and control systems requiring computer interfaces. The product features high breaking and making capacity, good dynamic stability, flexible electrical schemes, convenient combination, strong series compatibility and practicality, novel structure, and high protection level.

    Low-voltage Switchgear Standards

    IEC 60439-1 Low-voltage switchgear and control assemblies
    GB 7251 Low-voltage switchgear and control assemblies

    Operating Environment Conditions

    1. Ambient air temperature: Not higher than +40℃ and not lower than -5℃. The average temperature within 24 hours must not exceed +35℃. If these conditions are exceeded, the operating capacity must be reduced according to the actual situation.
    2. For indoor use, the altitude of the installation site must not exceed 2000m.
    3. Seismic intensity ≤ 8 degrees, acceleration a = 0.1g.
    4. Ambient air relative humidity: Not exceeding 50% at the highest temperature of +40℃. Higher relative humidity is permissible at lower temperatures; for example, 90% at +20℃, the potential for occasional condensation due to temperature changes should be considered.
    5. The device should be installed in a location free from severe vibration and impact, and where electrical components are not subject to undue corrosion.
    6. The inclination of the device relative to the vertical plane should not exceed 5%, and the entire cabinet should be relatively level (compliant with GBJ232).

    Technical Parameters

    NameData
    Rated voltage of main circuit (V)AC 380
    Auxiliary circuit rated voltage (V)AC 220, 380 (400)
    DC 110, 220
    Rated frequency (Hz)50
    Rated insulation voltage (V)660
    Rated current (A)Horizontal busbar≤6300
    Rated current (A)Vertical busbar1400
    Rated short-time withstand current of busbar (KA/1S)50,80
    Rated peak withstand current of busbar (KA/0.1S)105,176
    Power frequency test voltage(V/1mim)Main circuit2500
    Power frequency test voltage(V/1mim)Auxiliary circuit1760
    busbarThree-phase four-wire systemA.B.C.PEN
    busbarThree-phase five-wire systemA.B.C.PE.N
    Protection levelIP30.IP40

    Switchgear installation diagram

    Product Packaging

    1. Packed individually according to the layout plan provided by the buyer.

    2. All goods are packaged using national or professional standard protective measures to ensure they are suitable for long-distance transportation, moisture-proof, shockproof, rust-proof, and arrive at the site safely and undamaged.

    3. The front and back of the packaging box are clearly marked with the equipment name, model, specifications, weight, project number, drawing number, originating station, destination station, and consignee for easy identification by the user.

    4. The lifting points of the packaging box are clearly marked.

    5. Our company will send personnel to participate in the unpacking and inspection to ensure that the quantity of equipment matches the packing list.

    6. The packaging box will only be unpacked after it arrives at the switchgear installation site to ensure the switchgear's appearance is intact.

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