Indoor Metal Enclosed Switchgear

Fixed metal-enclosed switchgear is suitable for 10KV, 50Hz three-phase AC power distribution system. It can control branch lines in switching stations and is widely used for power supply in ring networks, terminals and box-type substations. The switchgear box is divided into busbar room and...

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Description

Specification of Metal Enclosed Switchgear:

No.	Description		Unit	Parameter
1	Rated voltage		kV	12	24
2	Rated current		A	630 - 4000	630-3150
3	Rated frequency		Hz	50	50
4	Rated busbar current		A	630 - 4000	630-3150
5	Power frequency withstand voltage (1min)	Phase to phase/earth	kV	42	65
5	Power frequency withstand voltage (1min)	Across the isolating distance	kV	48	79
6	Lightning impulse withstand voltage	Phase to phase/earth	kV	75	125
6	Lightning impulse withstand voltage	Across the isolating distance	kV	85	145
7	Rated short circuit breaking current		kA	25, 31.5, 40	25, 31.5, 40
8	Rated short circuit making current (peak)		kA	63, 80, 100	63, 80, 100
9	Rated peak withstand current		kA	63, 80, 100	63, 80, 100
10	Rated short time withstand current		kA	25, 31.5, 40	25, 31.5, 40
11	During of short circuit		s	4	25, 31.5, 40
12	Protection degree			Enclosure IP4X; partition between compartments IP2X	Enclosure IP4X; partition between compartments IP2X