ZW32-24 Outdoor High-Voltage Vacuum Circuit Breaker
ZW32-24 Outdoor High-Voltage Vacuum Circuit Breaker is a 24kV outdoor switching device designed for reliable protection and control in medium-voltage distribution networks. Adopting advanced vacuum interruption technology, it provides fast arc extinction, dependable fault breaking, and stable switching performance for load currents, overload currents, and short-circuit currents.
Featuring a compact pole-mounted structure, lightweight design, and strong environmental adaptability, the ZW32-24 is suitable for substations, industrial and mining power systems, rural distribution networks, and renewable energy applications. Its reliable operation, low maintenance requirements, and durable outdoor construction make it an ideal solution for modern power distribution systems.
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The ZW32-24 Outdoor Vacuum Circuit Breaker is a 24kV medium-voltage switching device designed for three-phase AC 50Hz power distribution systems. It provides reliable control and protection by efficiently switching load currents, overload currents, and short-circuit currents in outdoor distribution networks.
Featuring a compact structure, lightweight design, and maintenance-friendly construction, the ZW32-24 offers excellent environmental adaptability with strong resistance to condensation, pollution, and harsh weather conditions. It is widely used in substations, industrial and mining power systems, rural distribution networks, and other applications requiring stable operation and dependable fault protection.
Technical Data
| Item | Unit | Parameter | |
| Rated Voltage | kV | 24 | |
| Rated Current | A | 630 | |
| Rated Frequency | Hz | 50 | |
| Rated Short Circuit Breaking Current | kA | 20 | |
| Rated Peak Withstand Current | 50 | ||
| Rated Short-Time Withstand Current | 20 | ||
| Rated Short-Circuit Closing Current (Peak) | 50 | ||
| Rated Power Frequency Withstand Voltage (1min) | Phase-to-Ground/Phase-to-Phase | kV | 65 |
| interruptions | 79 | ||
| Rated Lightning Impulse Withstand Voltage (Peak) | Phase-to-Ground/Phase-to-Phase | 125 | |
| interruptions | 145 | ||
| Secondary circuit 1min frequency withstand voltage | kV | 2 | |
| Mechanical life | Times | 10000 | |
Overall and mounting dimensions(mm)

