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ZN63 VS1 12kv 630A Indoor High Voltage Vacuum Circuit Breaker VCB

Categories Vacuum Circuit Breaker
Brand Name: XG
Model Number: ZN63
Certification: ISO CCC
Place of Origin: XIAN, China
MOQ: 1set
Payment Terms: L/C, T/T, D/A, D/P, Western Union, MoneyGram
Supply Ability: 2000 SET
Delivery Time: 3-7 DAYS
Packaging Details: WOODEN CASE
Rated Voltage: 3.6KV 6.6KV 7.2kV, 12kV, 24kv
Rated Current: 400A 630A, 1250A, 1600A, 2000A, 2500A, 3150A,
Frequency: 50/60Hz
Poles Number: 3
Phase: 3 phase
Medium: vacuum
Material: galvanized sheet
Standard: IEC/GB
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ZN63 VS1 12kv 630A Indoor High Voltage Vacuum Circuit Breaker VCB

1. ZN63 Series vs1 12kv 630A indoor high voltage vacuum circuit breaker VCB


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


No.ItemUnitParameter
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 sequenceO-0.3S-CO-180S-CO
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

3. Application


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. Photo and drawing



5. Factory



6.Deliver



7. FAQ


1. Technology ensure the quality satisfy international request.

2.Generally we promise one - two years quality guarantee, some products will be extended longer time for life span.

3. For tender cooperation, it is welcome to discuss the detail in between.

4. Some type reports are provided accordingly.

5. Our factory is 250000m2 for production and office.

6. There are four subsidies in our group company. So our whole group company can produce switchgear, power transformer, load break switch, disconnect switch, vacuum/sf6 circuit breaker, fuse, surge arrester, CT PT, Metering unit.

Cheap ZN63 VS1 12kv 630A Indoor High Voltage Vacuum Circuit Breaker VCB for sale
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