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
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 |
