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ZN63(VBM7)-12 side mounted indoor high voltage vacuum circuit breaker

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Product Details

Place of Origin:	Zhejiang, China	Model Number:	ZN63-(VBM7)-12	Type:	Vacuum
Poles Number:	3

AMBIENT CONDITON

1. the ambient temperature:-15℃ - +40℃

2.the altitude:≤1000M

3.relative humidity: daily average value is not greater than 95%, monthly average is not greater than 90%

4.the surrounding air is not corrosive and flammable gas, steam and other significant pollution

5.earthquake intensity:≤8 degree

TECHNICAL SPECIFICATION

NO.	Item		Units	Parameters
1	Rated voltage		KV	12
2	Rated current		A	630-1250	1250	1250
3	Rated short-citcuit breaking current		KA	20	25	31.5
4	Rated short-circuit closing current		KA	50	63	80
5	Rated peak withstand current		KA	50	63	80
6	4S rated short-circuit withstand current		KA	20	25	31.5
7	Rated insulation level	1 min power frequency voltage	KV	42(Fracture 48)
6		Lightning impilse withstand voltage(peak)		75(fracture 65)
8	Rated operating sequence			0-0,3s-CO-180s-CO
9	Mechanical life		Times	10000
10	Opening times of rated short-circuit breaking current		Times	50
11	Rated operator closing coltage(DC)		V	AC/DC 220,110
12	Rated operator opening voltage(DC)		V	AC/DC 220,110
13	Clearance between open contact		mm	11±1
14	Over-travel		mm	3.5±0.5
15	Three phase points,closing bounce time		ms	≤2
16	Contact closing bounce time		ms	≤2
17	Average opening speed		m/s	1.1±0.2
18	Average closing speed		m/s	0.6±0.2
19	Opening time	The highest operating voltage		≤0.05
		The lowest operating voltage		≤0.08
20	Closing time
21	Dynamic and static contact allowed to wear a cumulative thickness		mm	3

OVERALL DIMENSION

Wenzhou Shouke Electric Co., Ltd.: Contact nameElva Dong
Chat Now; Phone0086-0577-13676571588; AddressChe'ao Industrial Park, Beibaixiang Town, Yueqing

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