Summary
ZN23-40.5vacuum cicuit-breaker handcart is a type of HV electricapparatusofrated voltage 40.5kV,three-phase and AC50/60Hz.Thisproduct applies toelectricity distribution system in mining industry andsubstation acting ascontrol and protection apparatus,it is applicable in occasons with frequentoperation such as metallurgy and electric-arc steel-making.This productconforms to standard of IEC298&GB/T1984-2003 AChigh voltage circuit-breaker.
Ambient condition
- Altitude: 1000m;
- Ambient temperature: -25 ~+40 ;
- Relative humidity: daily average 95 , monthly average 90 ;
- Earthquake intensity: 8 degree;
- Applicable occasions should free from inflammables, explosives, corrosives and severe vibration.
Model
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.
Technical specification
| No. | Item | Unit | Data |
| 12 | Ratedoperation sequence | O-0.3s-CO-180s-CO | |
| 13 | Opening time | ms | 50~85 |
| 14 | Closing time | ms | 40~85 |
| 15 | Ratedshort-circuit breaking current breaking time | Times | 20 |
| 16 | Mechanical life | Times | 10000 |
| 17 | Rated breaking current of capacitor | A | 630 |
| 18 | Rated power of storagemotor | W | 275 |
| 19 | Rated voltage of storage motor | V | 220,110 |
| 20 | Power-storage time | S | ≤15 |
| 21 | Ratedvoltage of on-off electromagnetic | V | 220,110 |
| 22 | Rated voltage of no-voltage tripper | V | 220,110 |
| 23 | Rated current of over-current release | A | 5 |
| 24 | Rated current of auxiliary switch | A | 10 |
Outline and dimension
