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The Outdoor High Voltage Vacuum Circuit Breaker is designed to ensure safe and reliable power distribution in outdoor environments. With its advanced features, this breaker provides protection for high-voltage systems and is ideal for use in power stations and industrial facilities.
The Outdoor High Voltage Vacuum Circuit Breaker is a key component for protecting electrical equipment in outdoor power systems. With its high current and short-circuit protection features, this circuit breaker ensures operational safety and reliability for various industrial applications.
Products Description
ZW32-40.5 outdoor high-voltage vacuum circuit breaker is suitable for single-phase, two-phase or three-phase AC with a maximum operating voltage of 40.5KV In 50HZ or 60HZ power systems, it can be used for protection and control in industrial and mining enterprises, power plants and substations,And suitable for various frequent operation places.
Outline Dimension Diagram
Product Paramenters
Main technical parameters of the circuit breaker
NO. | Paramenter | Unit | Technical data |
1 | Rated voltage | KV | 40.5 |
2 | Rated current | A | 630/1250 |
3 | Rated frequency | Hz | 50 or 60 |
4 | Power frequency withstand voltage(1 minute)(wet/dry)KV phase-phase/phase-ground/fracture | KV | 80/95/95 |
5 | Lightning impulse withstand voltage(peak)KV phase-phase/phase-ground/fracture | KV | 185 |
6 | Rated short circuit breaking current | KA | 25/31.5 |
7 | Rated short circuit making current(peak) | KA | 63/80 |
8 | Rated peak withstand current | KA | 63/80 |
9 | 4s short time withstand current | KA | 25/31.5 |
10 | Rated operating cycle | O-0.3s-CO-180s-co | |
11 | Rated short circuit current breaking times | time | 30 |
12 | Mechanical life | time | 10000 |
13 | Control voltage of mechanism | V | AC/DC 220 |
14 | Secondary circuit 1 min power frequency withstand voltage circuits | KV | 2 |
The mian mechanical parameters of the circuit breaker
NO. | Paramenter | Unit | Technical data |
1 | Contact spacing | mm | 18±1 |
2 | Contact overtravel | mm | 4±1 |
3 | Opening speed | m/s | 1.4-1.8 |
4 | Closing speed | m/s | 0.6-1.1 |
5 | Contact closing bounce time | ms | ≤5 |
6 | Center distance between phases | mm | 460±2 |
7 | Asynchrony of three-phase opening and closing | ms | ≤2 |
8 | Conducting loop resistance of each phase | μΩ | <80 |
9 | Colosing time | ms | ≤100 |
10 | Opening time | ms | ≤50 |
11 | Weight | Kg | about 400 |
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