| UNIPOWERmains HT Switchgear with SIEMENS VCB |
Metal Clad Switchgear with SIEMENS VCB up to 36KV
SALIENT FEATURES
- Simple and compact design
- Interrupters housed inside an enclosed insulated pole.
- Totally restrike free and suitable for rapid auto reclosing.
- Highly reliable operation & long maintenance free life.
- High switching capability.
- All switching operations performed with front door closed.
- Fully metal enclosure ensures high resistance to ingress and interference under all operating conditions.
- Circuit breaker mounted on withdrawable truck.
- No Separate maintenance trolley required.
- Separately padlockable shutter for bus and cable side fixed contacts.
Application Range
UNIPOWERmainsis well suitable for medium voltage distribution applications like transformer feeder, line feeder in various industries, infrastructure projects and power utilities.
Application Range
UNIPOWERmains is well suitable for medium voltage distribution applications like transformer feeder, line feeder in various industries, infrastructure projects and power utilities.
| SIEMENSIvac Vacuum Circuit Breaker |
3AH0 |
3AH5 |
3AK6 |
3AH03 |
| Rated Voltage |
upto 12KV |
upto 36KV |
| One minute power frequency withstand voltage (rms) |
28KV |
70KV |
| 1.2/50 micro second lightening withstand voltage |
75KVp |
170KVp |
| Rated current |
1250A / 1600A |
1250A / 2500A |
1250A / 3150A |
1250A |
| Short Time Withstand current (3 sec) |
26.3KA |
31.5KA |
40KA |
26.3KA |
| Short Time Breaking current |
26.3KA |
31.5KA |
40KA |
26.3KA |
| Rated making capacity |
65.75KA |
78.75KA |
100KA |
65.75KA |
| Rated Operating sequence |
O-0.3sec-CO-3min-CO |
| Single capacitor bank breaking current |
400A |
| Cable charging breaking current |
25A |
50A |
| Guaranteed number of operations for vacuum interrupter at rated current |
10,000 |
30,000 |
| Guaranteed number of operations for drive mechanism |
2,000* |
10,000 |
| Is CB restrike free |
Yes |
| Type of operating mechanism |
Motor Spring Reserve Drive (M.S.R.D) |
| Dimensions (width) |
600mm |
600/800mm |
800mm |
1000mm |
*10,000 on request
|
