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ZN23-40.5 Indoor High Voltage Vacuum Circuit Breaker

Summary

ZN23-40.5 vacuum circuit-breaker handcart is a type of HV electric apparatus of rated voltage 40.5kV, three-phase and AC 50/60Hz. This product applies to electricity distribution system in mining industry and substat ion acting as control and protection apparatus, it is applicable in occasions with frequent operation such as metallurgy and electric-arc steel-making. This product conforms to standard of IEC298 & GB/T1984-2003 AC high voltage circuit -breaker.

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ZN23-40.5 Indoor High Voltage Vacuum Circuit Breaker

Summary

ZN23-40.5 vacuum circuit-breaker handcart is a type of HV electric apparatus of rated vo ltage 40.5kV, three-phase and AC 50/60Hz. This product applies to electricity distribution system in min ing indust ry and s ubs tat ion acting as control and protection apparatus, it is applicable in occasions with frequent operation such as metallurgy and electric-arc steel-making. This product conforms to standard of IEC298 & GB/T1984-2003 AC high voltage circuit-breaker

Ambient condition

1. Altitude: 1000m;
2. Ambient temperature: -25 ~+40 ;
3. Relative humidity: daily average 95 , monthly average 90 ;
4. Earthquake intensity: 8 degree;
5. Applicable occasions should free from inflammables, explosives, corrosives and severe vibration.

Product  feature

1. High insulation level, low cut-off level and strong arc-extinction capability.
2. Electric magnetic mechanism and spring operating mechanism both fit on.
3. GBC ark and JYN1 ark both fit on.



no. item unit data
1 rated voltage kv 40.5
2 rated current A 1250 1600
3 rated frequency hz 50
4 Rated short circuit breaking current KA 20 31.5
5 Rated short-circuit making current KA 63 80
6 Rated short circuit breaking times TIME 20
7 mechanical life TIME 10000
8 Capacitor Banks open circuit current rating A 630
9 Energy-storage motor rated power W 275
10 Energy-storage motor rated voltage V AC 220/DC 110

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