GCK low-voltage withdrawable switchgear consists of power distribution center (PC) cabinet and motor control center (MCC). It is suitable for power users such as power plants, substations, industrial and mining enterprises as power distribution systems with AC 50Hz, maximum working voltage to 660V, and maximum working current to 3150A. It is used as power distribution, motor control, lighting and other power distribution equipment for power conversion and distribution control.

GCK low-voltage withdrawable switchgear has the advantages of high breaking capacity, good dynamic and thermal stability, advanced and reasonable structure, practical electrical scheme, serialization, strong versatility, arbitrary combination of various scheme units, more circuits contained in one cabinet, saving floor space, beautiful appearance, high protection level, safety and reliability, convenient maintenance, etc.

This product conforms to the IEC439 standard, but also in line with the GB7251.1-2005 (low-voltage switchgear "national standards and ZBK36001-89" low-voltage draw-out switchgear "professional standards.

Main technical parameters

Rated insulation voltage 660V/1000V

Rated working voltage 400V/660V

Auxiliary circuit rated working voltage: AC 380V, 220V, DC 110V, 220V

Bus rated current: 1000A, 1250A, 1600A, 2000A, 2500A, 3200A, 4000A, 5000A

Bus rated short-time withstand current: 50kA, 80kA (effective value) 1 second

Bus rated peak withstand current: 105kA/0.1s, 140kA/0.1s, 176kA/0 .1s

Branch bus rated current: 630A, 1000A, 1250A, 1600A

Branch bus rated short-time withstand current: 30kA, 50kA (effective value) 1 second

Branch bus rated peak withstand current: 63kA, 105kA/0.1s

Enclosure protection level: IP30, IP40

Bus setting: three-phase four-wire, three-phase five-wire

Operation mode: local, remote, automatic

Classification of switch cabinets

Power receiving cabinet

◆Bus connection cabinet

Feeder cabinet

Motor control cabinet

◆Power switching cabinet

Power factor compensation cabinet

Use of environmental conditions

1. The altitude does not exceed 2000m;

2. The ambient air temperature is not higher than 40 ℃, and the average temperature within 24 hours is not higher than 35 ℃, and the ambient air temperature bottom is not lower than -5 ℃;

3. Atmospheric conditions The air is clean, the relative humidity does not exceed 50% when the temperature is +40 ℃, and higher relative humidity is allowed when the temperature is lower,

For example, 90% at +20 ℃;

4. There is no fire, explosion hazard, serious pollution, chemical corrosion and severe vibration of the place;

5. The inclination from the vertical plane does not exceed 5 degrees;

6. This product is suitable for transportation and storage at the following temperatures:-25 ℃ ~ 55 ℃, not exceeding 70 ℃ in a short time (not exceeding 24h).