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xgn-27.5(2×27.5)(l) indoor gas insulated metal-enclosed switchgear

product introduction

　application

xgn-27.5(2×27.5)(l) indoor gas insulated metal-enclosed switchgear

main technical parameter

no.	item		xgn-27.5(2×27.5)(l)/t2500-31.5
1	rated voltage kv		27.5
2	rated current a		2500
3	rated short-circuit breaking current first-pole-to-clear factor ka		31.5
4	rated short circuit making curren ka		80
5	rated peak withstand current ka		80
6	lighting impulse withstand voltage kv	breaks	220
		to earth	200
7	1min.power frequency withstand voltage kv	breaks	118
		to earth	95
8	rated short-time withstand current and time ka/s		25/4、31.5/4
9	protection grade		gas box ip65 other ip4x

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