Drawer Type LV Switchgear
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GCK LV drawer switchgear
Drawer Type LV Switchgear
GCK LV drawer switchgear and GCK1A LV drawer switchgear cabinet is applicable to three phase AC 50-60Hz, rated voltage 400V and below, rated current 4000A and below three-phase four-wire and three-phase five-wire electrical plan.
GCK LV drawer switchgear and GCK1A LV drawer switchgear cabinet is applicable to three phase AC 50-60Hz, rated voltage 400V and below, rated current 4000A and below three-phase four-wire and three-phase five-wire electrical plan. It is widely used in power generators, substations, mining and industrial enterprises, buildings, hotels, airports, wharf and broadcasting TV and communication center as power generation, transmission and distribution, electric energy conversion and consumption power distribution center and motor control center. It can be designed as fixed cabinet and drawer type mixed device to meet different power supply and distribution demand. This switchgear meet IEC439-1, GB7251, ZBK36001 and relevant technical standards.

S/N

Item

Unit

Parameters

1

 Nominal  insulation voltage

V

 690

2

 Rated  operating voltage

V

 400

3

 Maximum  working current for main bus

A

 4000

4

 Maximum  working current for distribution bus (vertical bus)

A

 1000

5

 Short-time  (1s) withstand current for main bus

kA

 80  (virtual)

6

 Rated  peak withstand current for main bus

kA

 176(max.)

7

 Short-term  peak current for distribution bus (vertical bus)

kA

 105

8

 Frequency

Hz

 50/60

9

IP Grade

 

IP40

 

1. The whole cabinet uses assemblage structure, modulus hole installation, good universality of parts, good adaptability and high standardization level Flexile assemblage, meeting various structural form and protection level requirements.
 
2. Function unit of same specification is exchangeable. In case of an accident, the fault unit can be drawn out and replaced with a backup unit, thus significantly shortening fault time and improving equipment reliability.
 
3. The upper part of the cabinet is bus chamber, the front part is electric chamber and the back part is cable inlet/outlet chamber. Each chamber is isolated with steel plate or insulated plate to ensure safety.
 
4. The door of MCC cabinet drawer and circuit breaker or disconnecting switch handle have mechanical interlock and the door can only be opened when the handle is at opening position.
 
5. Rreceiving switch, contact switch and MCC cabinet draws have three positions; Closing position, test position and opening position.
 
6. The top part of the switch cabinet can be installed with a bus bridge as required for receiving.