Switchgear
Vacuum Circuit Breaker
| Maintenance free design |
| Horizontal drawout and isolation |
| Positive racking mechanism |
| Interlocks to prevent insertion/withdrawal of closed CB |
| CB can operate in test or service position only |
| Identically rated CBs are fully interchangable |
| Easy retro fitting with cassette system |
| Fully type tested as per IEC60056/IS 13118/IEC 62271-100 |
| Type | 11kV | 22kV | 33kV | ||
| VCB C500 | VRK 12-4 | VRK 24 | VRK 36 | ||
| Rated Voltage | kV | 12 | 12 | 24 | 36 |
| Insulation level | kVrms/kVp | 28/75 | 28/75 | 50/125 | 70/170 |
| Rated Current | A | 1250 | 2500 | 1600 | 1600 |
| Braking Capacity | kA | 26.2 | 40 | 40 | 26.2 |
| Making Capacity | kAp | 65.5 | 100 | 100 | 78.75 |
| Short Time Current(1 or 3 Sec) | kA | 26.2 | 40 | 40 | 26.2 |
| Operating Sequence | O - 0.3 Sec - CO - 3 min - CO | ||||
| Auxiliary Switch Contactse | 8NO + 8NC | ||||
| Spring Charging Motor Power | W | 250 | |||
| Spring Charging Motor Voltage | V | 230V AC, 110V DC, 220V DC | |||
| Closing / Tripping Coil Power | W | 180 | |||
| Closing / Tripping Coil Voltage | V | 24, 30, 48, 110, 220DC | |||
| Weight (approx) | kG | 150 | 140 | 140 | 360 |
| Proven spring operated mechanism |
| Designed to closed and latch |
| Positive racking mechanism |
| Manual/motorised option |
| In built trip free mechanism |
| In built anti pumping feature |
| Mechanical ON/OFF indication |
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| Metal Clad M.V. Switchgear 11kV, 1250A, 26.2kA. |  |
| Metal Clad M.V.Switchgear 33kV, 1250A, 26.2kA. | |
| Metal Clad M.V.Switchgear 11kV, 3150A, 40kA. | |