Withdrawable Range of Medium Voltage (MV) Distribution Switchgear (Igranic)
Product description
The PowerVac VH1H range of KEMA-certified, medium voltage vacuum circuit breakers from Igranic Power Systems is ideal for a range of distribution, power generation and switchboard applications.
Featuring a compact, fully withdrawable design within a metal-clad construction, the VH1H ensures safety, reliability and efficiency.
Key features
Our PowerVac VH1H is designed and tested specifically to IEC 62271-200 standards for reliable performance, ease of handling and simplified maintenance, key features include:
- Arc fault rating AFLR up to 40kA for 1s
- Mechanically/electrically interlocked behind closed-door operation
- Independently padlockable busbar and circuit shutters
- Fault rated circuit earth switch mechanically interlocked with the circuit breaker
- Rear top and bottom cable entry
- Internal arc containment for operator safety
Talk to a specialist about this product
(+44) 01294 273111 or email at sales@allenwest.co.uk
Technical Specifications
| Specifications | VH1H- | VH1H- | VH1H- | VH1H- | VH1H- | VH1H- | |
| 630 | 1250 | 2000 | 2500 | 3150 | 4000 | ||
| Rated voltage | kV | 12 | 12 | 12 | 12 | 12 | 12 |
| VCB rated current | A | 630 | 1250 | 2000 | 2500 | 3150 | 4000 |
| Max. busbar rated current | A | 2000 | 2000 | 2000 | 3150 | 3150 | 4000 |
| Rated frequency | Hz | 50 | 50 | 50 | 50 | 50 | 50 |
| Max. rated short time | |||||||
| withstand current for 3 sec | kA | 25 | 31.5 | 31.5 | 40 | 40 | 40 |
| Rated short time making current | kAp | 62.5 | 80 | 80 | 100 | 100 | 100 |
| Max. internal arc for 1 sec | kA | 25 | 31.5 | 31.5 | 40 | 40 | 40 |
| Max. earth switch short time | |||||||
| withstand current for 3 sec | kA | 25 | 31.5 | 31.5 | 40 | 40 | 40 |
| Impulse voltage | kVp | 75/95 | 75/95 | 75/95 | 75/95 | 75/95 | 75/95 |
| Power frequency voltage | kV | 28 | 28 | 28 | 28 | 28 | 28 |
| Ingress protection | IP | 4x | 4x | 4x | 4x | 4x | 4x |
| Width | mm | 700 | 800 | 800 | 1000 | 1000 | 1000 |
| Height (w/o arc fault barrier) | mm | 2350 | 2350 | 2350 | 2350 | 2350 | 2350 |
Customisable
Our versatile medium voltage vacuum circuit breakers highly customisable and can be tailored to suit your exact requirements.
- Fixed VTs with withdrawable primary fuses
- Fully withdrawable VTs
- Busbar-mounted VTs
- Busbar-mounted earth switches
- Arc fault containment ducting
- Live line indication
- Surge arrestors
Maintenance
All Allenwest equipment is designed with ease of maintenance in mind. We offer several maintenance solutions to suit your specific means.
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