ZN63-12 VS1 12KV 10KV 11KV Vacuum Circuit Breaker Fix installment Indoor type

ZN63-12 VS1 12KV 10KV 11KV Vacuum Circuit Breaker Fix installment Indoor type

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Annual sales are up to USD 5 million
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Product Details

1. Zn63-12 VS1 12kv 10kv 11kv Vacuum Circuit Breaker


ZN63-12 type 11kv 12kv vacuum circuit-breaker serves in the three phase AC power system for rated volta ge of 10kV and rated frequency of 50Hz to switch various kinds of loads in frequent operation places and can be used to protect and control electrical equipment in the industrial &mineral enterprise and power plant and substation as well.

2.Product data

1Rated voltageKV12
2Rated frequencyHZ50
3Rated currentA63012501250
4Rated short circuit breaking currentKA202531.5
5Rated short circuit making currentKA506380
6Rated peak withstand currentKA506380
74S rated short circuit withstand currentKA202531.5
8Rated insulation levelPower frequency withstand (before and after rated breaking)KV42 (opening distance 48)
Impulse withstand voltage (before and after rated breaking)KV75(opening distance 85)
9Rated operating sequence
10Mechanical lifetime10000
11Rated short circuit breaks numbertime50
12Rated closing voltage of operating mechanism (DC)V110,220
13Rated opening voltage of operating mechanism (DC)V110,200
14Clearance between open contactsmm11±1
15Over travel (contact spring compressed length)mm3.5±0.5
16Opening and closing bounce time of three phasesms≤ 2
17Contact closing bounce timems≤ 2
18Average opening speedm/s1.1±0.2
19Average closing speedm/s0.6±0.2
20Opening timeUnder max operating voltageS≤ 0.05
21Under minimum operating voltageS≤ 0.08
22Closing timeS0.1
23Main circuit resistance of each phaseμΩ6050
24Allowed wearing thickness of moving and fixed contactmm3


Maximum temperature: +40℃; Minimum temperature:-25℃.

Altitude above sea level: Maximum installation altitude: 2500m.

Humidity: Monthly average humidity 95%; Daily average humidity 90% .

Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.

No frequent violent shake.

4.Technical diagram


5. Factory show


6. Deliver, shipping


7. FAQ

1. How to order the products?

Answer; Send the inquiry with detail item description or with Model number. If there is no packing demand .we take  it as sea-way packing. 

2. About lead time and shipping time?

Answer : The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order.we can send you by air after received  your agreement.

3Life span of our XG brand?

Answer: Generally we promise two years quality guarantee, some products will be extended longer time for life span.

8.Contact us

XIGAO Electricenergy Group Co.,LTD.

Add.: No. 6, Weibei Industrial Park, Xi'an City, Shaanxi Pro., CN. 710600 

Phone: 0086 13484807604

Email: victoria@zgxgdn.com

WhatsApp: 0086 13484807604

Wechat: 0086 13484807604

Website:  www.zgxgdn.cn