GCK Low Voltage Withdrawable Switchgear Used for Electric Energy Conversion

GCK low voltage withdrawable switchgear is composed of two parts: power distribution center cabinet and motor control center. It is used in power distribution systems of AC, 50 Hz, max operating voltage 660 V and max operating current 3150 A for power plants, transformer substations and industrial & mining enterprises. It is used for electric energy conversion, distribution and control of power distribution, motor control and lighting power distribution equipment.

It has many advantages, such as high breaking capacity, good dynamic thermal stability, reasonable & advanced structure, practical power program, strong applicability, arbitrary combination of various program units, space-saving, beautiful appearance, high protection degree, high safety, reliable performance and convenient maintenance.

The inner structure of GCK low voltage withdrawable switchgear.

GCK low voltage withdrawable switchgear is widely used because of high breaking capacity and reasonable & advanced structure.A set of GCK low voltage withdrawable switchgear is in the workshop.

GCK low voltage withdrawable switchgear is used for electric energy conversion and distribution & control.

The model and meaning of GCK low voltage withdrawable switchgear.

Working conditions:

Altitude: ≤ 2000 m.

Temperature range: -5 °C to +40 °C, and the average temperature within 24 hours should not exceed +35 °C.

The relative humidity should not exceed 50% at +40 °C, and higher relative humidity is allowed at low temperature (90% at +20 °C). And air must be clean.

Workplaces should be free of fire, explosion, serious pollution, chemical corrosion and severe vibration.

Gradient: ≤ 5°, vertical installation.

Temperature range of transportation & storage: -25 °C to +55°C, and the temperature can be up to +70 °C in short time (within 24 hours).

Technical parameters

Items Parameters

Rated insulation voltage (V) 660

Rated operating voltage (V) 380/660

Auxiliary circuit rated voltage (V) AC 220/380

DC 110/220

Operating frequency (Hz) 50 - 60

Rated current (A) Horizontal bus-bar < 3150

Vertical bus-bar 630/800

Rated short-time withstand current Midline (kA/1 s) 50

Bus-bar (kA/1 s) 30

Rated peak current (kA/0.1 s) 105/50

Functional unit breaking capacity (kA) 50 (effective value)

Cabinet protection degree IP40

Bus-bar Three phase four wire system, three phase five wire system

Operating mode On-site, distance and automatic

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