ZN63-12 Vacuum Circuit Breaker
ZN63-12 Vacuum Circuit Breaker

ZN63 (VS1)-12 Indoor Vacuum Circuit Breaker

Overview:
ZN63 (VS1) -12 vacuum circuit breaker is suitable for three phase AC 50Hz and rated voltage 3.6kV to 12kV power system, as control and protection of industrial and mining enterprises, power plants and substations, and suitable for frequent operation occasions.
if need any qualification or test report,please email to info@changangroup.com.cn
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ZN63 (VS1)-12 Indoor Vacuum Circuit Breaker

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Description

Product Summary

ZN63 (VS1) -12 vacuum circuit breaker is suitable for three phase AC 50Hz and rated voltage 3.6kV to 12kV power system, as control and protection of industrial and mining enterprises, power plants and substations, and suitable for frequent operation occasions. It has perfect mechanical and electrical interlocking function, which is suitable for the main medium voltage switchgear in the market. The product is excellent in performance, widely used in industrial chemical industry, metallurgy, construction industry, manufacturing industry, civil residential district, hospital, enterprise power distribution, transportation, subway, high-speed railway and so on.

Environmental Conditions

1.Ambient Temperature: No more than + 40℃ and no less than - 15℃.Average temperature is no more than +35℃ within 24 hours.
2.Altitude: No more than 1000m.
3.Relative Humidity: the average daily value is no more than 95%, the average monthly value is no more than 90%.
4.Earthquake Intensity: No more than 8 degrees.
5.Vapor pressure: average daily value is no more than 2.2kPa, average monthly value is no more than 1.8kPa.
6.Installation locations without fire, explosion danger, serious pollution, chemical corrosion and violent vibration.
 

Product Features

1.The product adopts composite insulation technology and combines with an integrated spring operating mechanism to ensure stable electrical and mechanical performance.
2.lt can be used as a fixed installation unit, and also equipped with a special propulsion mechanism to form a handcart unit.
3.The structure is versatile and can match all the mainstream medium voltage switchgear in the market.

Parameter

Technical Data

Sr. Content Unit Value
1 Rated Voltage kV 12
2 Rated Frequency Hz 50/60
3 Rated Insulation level Power Frequency Withstand Voltage in 1 min kV 42
Lighting Impulse Withstand Voltage (Peak) 75
4 Rated Short-circuit Breaking Current kA 20 25 31.5 40
5 Rated Current A 630 630
1250
1250,1600
2000,2500
3150
1250,1600
2000,2500
3150,4000
6 Rated Short-time Withstand Current kA 20 25 31.5 40
7 Rated Peak Withstand Current 50 63 80 100
8 Rated Short Circuit Making Current 50 63 80 100
9 Opening Time mS 20-50
10 Closing Time mS 35-70
11 Mechanical Life times 10000
12 Rated Voltage of Aux Control Loop V AC110/220, DC110/220

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