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High Voltage Circuit Breakers
Electric Type
Normal Type Circuit Breaker
SF6
Fixed
MCCB
| Availability: | |
|---|---|
| Quantity: | |
| No. | ITEM | UNIT | VALUE |
| 01 | Rated voltage | XV | 12 |
| 02 | Rated frequency | Hz | 50 |
| 03 | Rated current | A | 630, 1000 |
| 04 | Rated short-circuit breaking current | KA | 12. 5,16,20,25 |
| 05 | Rated peak withstand current (peak) | kA | 31. 5,40,50,63 |
| 06 | Rated short-time withstand current (43) | kA | 12. 5,16,20,25 |
| 07 | Rated short-circuit closing current (peak) | kA | 31. 5,40,50,63 |
| 08 | Mechanical life | times | 10000 |
| 09 | Rated current breaking times | times | 10000 |
| 10 | Rated short-circuit breaking current breaking times | times | 30 |
| 11 | Power frequency withstand voltage (110111); phase-to-phase, phase-to-ground/break | KV | 42/49 |
| 12 | Lightning impulse withstand voltage (peak); phase-to-phase, phase-to-ground/break | kV | 75/85 |
| 13 | Secondary circuit 101111 power frequency withstand voltage | XV | 2 |
| 14 | Net weight | KG | 140 |
| No. | ITEM | UNIT | VALUE |
| 01 | Contact opening distance | mm | 9+1-0.5 |
| 02 | Contact overtravel | mm | 3+1-0.5 |
| 03 | Breaking speed | m/s | 1. 2±0. 2 |
| 04 | Closing speed | m/s | 0. 6±0. 2 |
| 05 | Contact bounce time during closing | ms | ≤2 |
| 06 | Phase-to-phase distance | mm | 135±1. 5 |
| 07 | External live air insulation distance | mm | 240±2 |
| 08 | External creepage distance | cm/kV | 3. 8 |
| 09 | Different periods of three-phase breaking | ms | ≤2 |
| 10 | Conductive circuit resistance of each phase | μΩ | ≤150 |
| 11 | Closing time | ms | ≤45 |
| 12 | Breaking time | ms | ≤45 |
| 13 | Rated power of energy storage motor | W | ≯40 |
| 14 | Rated voltage of energy storage motor | V | AC220 |
| 15 | Rated closing operation voltage | V | AC220 |
| 16 | Highest/lowest closing operation voltage | V | AC264/143 |
| 17 | Rated breaking operation voltage | V | AC220 |
| 18 | Highest/lowest breaking operation voltage | V | AC264/143 |
| 19 | Highest/lowest motor voltage | V | AC242/187 |
| 20 | Rated pressure of SF6 gas (gauge pressure) | MPa | 0 |