UniGear ZS1 Design
Main Characteristics :
-
ABB mainline switchgear for primary distribution up to 24 kV, 4 000 A, 63 kA
- Manufactured and supported on six continents
- Approved for use in special applications such as marine, seismic and nuclear
- Variety of demanding applications
- Standards: IEC, CSA, GOST, GB/DL
- Design: LSC-2B, PM
- Internal arc class: A FLR
- Highly customized versions available
- Switchgear can be back to wall installed
Applications
- Industry
- High Voltage Substations
- Power Plants
- Services
Technical Data :
| Description | Unit | |||
| Rated voltage kV | kV | 12 | 17.5 | 24 |
| Rated power frequency withstand voltage | kV | 28 | 38 | 50 |
| Rated lightning impulse withstand voltage | 11 | 75 | 95 | 125 |
| Rated frequency | Hz | 50/60 | ||
| Rated current of busbar | A | …4000 | …4000 | …2500 |
| Rated current of circuit-breaker branches | A | …4000 | …4000 | …2500 |
| Rated peak withstand current | kA | …125 | …100 | …63 |
| Rated short-circuit breaking current of c.-breaker | kA | …50 | …40 | …25 |
| Rated short- time current 3 s | kA | …50 | …40 | …25 |