33KV Electrical Main Distribution Switchgear

Structure Description The switchgear is of box-type metal-enclosed fixed structure and the cubicle consists of profies and G profiles assembled by several connection pieces .It is divide into four compartments ,namely busbar compartment .CB compartment ,metering compartment and cable compartment .The parts processing shall be made by CNC punching machine ,CNC bending machine and sophisticated machines provided in CNC processing center ,ensuring high precisopm of form ,position and dimension ,fast and accurate making ,fiexible for combination of different options ,which can meet different demands form customers .

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Description

XGN-12 (2)

XGN-12 (3)

XGN-12

XGN15-12 (2)

XGN15-12

XGN66-12 (2)

Main features

1.The cubicle is of assembled structure ,no welding ,high mechanical strength and artistic apperance .
2.The rear upper part is for GN30-12 rotarydisconnect switch and lower part for GN19-12C disconnect switch .The mechanical interlock device operated as per procedures can provide reliable safety protection for the operation personal and equipment .
3.The main switch adopted is of monoblock type ,options such as ZN63-12(VS1-12)and VD4-12
4.Compulsory mechanical locking method is employed in the interlocks among main switches
,disconnectors and cubicle door to meet the ‘five -proof ‘interlock function,enjoying random combination with ring main unit .

No.	Item	Unit	Technical data
1	Rated voltage	kV	3.6, 7.2, 12
2	Rated current	A	630 1000	1250 2000	2500 3150
3	Rated short circuit breaking current	kA	20	31.5	40
4	Rated short time withstand current	kA	20	31.5	40
5	Rated peak withstand current	kA	50	80	100
6	Rated short circuit making current	kA	50	80	100
7	Rated duration of short circuit	s		4
8	Degree of protection		IP2X
9	Bus system		Single bus, single bus with bypass, double bus
10	Operating method		Electromagnetism, spring storage energy
11	Outline dimension	mm	950^1000x2300 (below 1250A) 1000x1000x2300 (over 1250A)