33kv/35kv/40.5kv Outdoor High Voltage Vacuum Circuit Breaker is the three-phase AC 50Hz outdoor high voltage electrical equipment, suit for control and protection of 20-40.5kV transmission and distribution system; can also be used for sectional circuit breaker and switching capacitor bank occasions; this product can be matched with piecewise controller, reclose device can realize the power system intelligent segmentation, reclose control. And can add the current transformer for measurement and protection. Circuit breaker equipped with spring or electromagnetic actuator, reliable mechanical performance, frequent operation; no fire and explosion danger; circuit breaker conforms to the national standard GB19841989 “AC high voltage circuit breaker” and the International Electrotechnical Commission Standard IEC56, IEC62271-100 “high voltage AC circuit breaker” requirements.
Product Description.
33kv/35kv/40.5kv Outdoor High Voltage Vacuum Circuit Breaker is the three-phase AC 50Hz outdoor high voltage electrical equipment, suit for control and protection of 20-40.5kV transmission and distribution system; can also be used for sectional circuit breaker and switching capacitor bank occasions; this product can be matched with piecewise controller, reclose device can realize the power system intelligent segmentation, reclose control. And can add the current transformer for measurement and protection. Circuit breaker equipped with spring or electromagnetic actuator, reliable mechanical performance, frequent operation; no fire and explosion danger; circuit breaker conforms to the national standard GB19841989 “AC high voltage circuit breaker” and the International Electrotechnical Commission Standard IEC56, IEC62271-100 “high voltage AC circuit breaker” requirements.
Basic Info.
| Model NO. | ZW7-40.5 | Arc-extinguishing Medium | Vacuum |
| Installation | Open Frame | Structure | ACB |
| Poles Number | 3 | Type | Circuit Breaker |
| Function | Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection) | Certification | ISO9001-2000, |
| Rated Voltage | 33kv~35kv | Current Rating | 630A~2000A |
| Rated Frequency | 50Hz-60Hz | Weight | 700Kg |
| Transport Package | Export Standard Wooden Case | Trademark | CHNGS |
| Origin | China | Rated Short-Circuit Interrupting Current | 20 25 31.5 |
| Specification | 3100*2700*1400mm |
Product Parameters.
| serial number | project | unit | parameter | ||
| 1 | Rated voltage | KV | 40.5 | ||
| 2 | Rated insulation level | 1min power frequency withstand voltage | Dry test | KV | 95 |
| Wet test | KV | 80 | |||
| Lightning impulse withstand voltage (peak) | KV | 185 | |||
| 3 | Current rating | A | 1250,1600,2000 | ||
| 4 | Rated short-circuit interrupting current | KA | 20,25,31.5 | ||
| 5 | Rated sequence of operations | min-0.3s-combine-180s-combine | |||
| 6 | Rated number of short-circuit current interruptions | times | 12 | ||
| 7 | Rated short-circuit closing current (peak) | KA | 50,63,80 | ||
| 8 | Rated peak withstand current | KA | |||
| 9 | Rated short-time withstand current | KA | 20,25,31.5 | ||
| 10 | Rated short-circuit duration | S | 4 | ||
| 11 | Contact opening distance | mm | 22±2 | ||
| 12 | Contact overtravel | mm | 4±1 | ||
| 13 | Average opening speed | m/s | 1.5±0.2 | ||
| 14 | Average closing speed | m/s | 0.7±0.2 | ||
| 15 | Contact closing bounce time | mS | ≤2 | ||
| 16 | Three-phase (split) gate synchronous time difference | mS | ≤2 | ||
| 17 | Closing time | ms | ≤150 | ||
| 1Q | Opening time | mS | ≤60 | ||
| 19 | Mechanical life | times | 10000 | ||
| 20 | Rated operating voltage, auxiliary circuit rated voltage | V | DC110/220,AC110/220 | ||
| 21 | Current resistance per phase loop (without transformer) | μΩ | ≤100 | ||
| 22 | weight | kg | 700 | ||
