Metal-Clad enclosed,good anti-corrosion and rust
air composite insulation
VCB withdrawable
Four compartments (VCB, busbar, cable terminal and LV)
Interlocking system
Wall mounted or back to back installation
Internal arc classified IAC AFLR (arc duct)
Motor operation for withdrawable VCB and earthing switch
Power automation system (optional)
Item | Unit | C module | F module | V module | CB module |
Load switch | Combination appliance | Vacuum switch | Disconnect/ Earthing switch | Vacuum circuit breaker | Disconnect /Earthing switch |
Rated voltage | KV | 12/24 | 12/24 | 12/24 | 12/24 | 12/24 | 12/24 |
Power frequency withstand voltage | KV | 45/50 | 42/50 | 42/50 | 42/50 | 42/50 | 42/50 |
Lightning impulse withstand voltage | KV | 95/125 | 95/125 | 95/125 | 95/125 | 95/125 | 95/125 |
Rated current | A | 630/630 | Note(1) | 630/630 |
| 1250/630 |
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Closed loop breaking current | A | 630/630 |
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Cable charging breaking current | A | 135/135 |
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5% Rated active load breaking current | A | 31.5/- |
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Earthing fault breaking current | A | 200/150 |
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Breaking current of cable charging during earthing fault | A | 115/87 |
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Short circuit breaking current | KA |
| Note(2) | 20/16 |
| 25/20 |
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Ability of closing and opening | KA | 63/52.5 | Note(2) | 50/40 | 50/40 | 63/50 | 63/50 |
Short-time withstand current 2s | KA | 25/- |
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Short-time withstand current 3s | KA | -/21 |
| 20/16 | 20/16 | 25/20 | 25/20 |
Mechanical life | Time | 5000 | 3000 | 5000 | 2000 | 5000 | 5000 |
Note:1)Depends on the current rating of the fuse;2)Limited by high voltage fuses
Russian