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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

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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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