The Armored Metal Enclosed Switchgear is a highly reliable and technically advanced power distribution solution designed for enhanced safety and operational efficiency. With a robust structure and integrated protection mechanisms, this switchgear ensures smooth and secure power distribution across various industrial and commercial applications.
Switchgear technical parameters
Item | Units | Parameters | |
Rated voltage | KV | 40.5 | |
Rated insulation level | 1min industrial frequency withstand voltage | KV | 95 (isolation break 115) |
Lightning impulse withstand voltage (peak) | KV | 185 (isolation break 115) | |
Rated frequency | Hz | 50 | |
Main busbar rated current | A | 630~2500 3150※ | |
Rated short-circuit breaking current | A | 31.5 | |
Rated short-time withstand current (4s) | KA | 25 | |
Rated peak withstand current | kA | 31.5 | |
Auxiliary control circuit rated | V | 25 | |
※forced air cooling |
ZN85-40.5 vacuum circuit breaker technical parameters
Item | Units | Parameters | ||
Rated voltage | KV | 40.5 | ||
Rated insulation level | 1min industrial frequency withstand voltage | KV | 95 (isolation break 115) | |
Lightning impulse withstand voltage (peak) | KV | 185 (isolation break 115) | ||
Rated frequency | Hz | 50 | ||
Rated current | A | 630, 1000, 1250, 1600 | 1250、1600、2000、2500、3150※ | |
Rated short-circuit breaking current | A | 25 | 31.5 | |
Rated short-time withstand current (4s) | kA | 25 | 31.5 | |
Rated peak withstand current | kA | 63 | 80 | |
Rated sequence of operation | Minute (O) - 0.3s - Combined Minute (CO) - 180s - Combined Minute (CO) | |||
Rated short-circuit breaking current number of openings | Times | 20 | ||
Rated cable charging opening current | A | 25 | ||
Rated capacitor bank opening current | A | 400 | ||
Capacitive current opening and closing performance | level | C2 | ||
Closing time | ms | 40~100 | ||
Opening time | ms | 30-60 | ||
Mechanical lifetime | times | 10000 | ||
※forced air cooling |
VD4 series vacuum circuit breaker technical parameters
Item | Units | Parameters | |
Rated voltage | KV | 40.5 | |
Rated insulation level | 1min industrial frequency withstand voltage | KV | 95 (isolation break 115) |
Lightning impulse withstand voltage (peak) | KV | 185 (isolation break 115) | |
Rated frequency | Hz | 50 | |
Rated current | A | 1250, 1600, 2000, 2500, 3150※ | |
Rated short-circuit breaking current | A | 31.5 | |
※forced air cooling |
VD4 series vacuum circuit breaker technical parameters
Item | Unit | Parameters |
Rated short-time withstand current (4s) | KA | 31.5 |
Rated peak withstand current | KA | 80 |
Rated operating sequence | min(O)-0.3s-combine min(CO)-180s-combine min(CO) | |
Closing time | ms | 55~67 |
Opening time | ms | 33~45 |
Arc-firing time | ms | <15 |
Opening time | ms | 48~60 |
※forced air cooling |