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ZW□-12 high voltage AC outdoor vacuum circuit breaker
The ZW□-12 series of outdoor high voltage AC vacuum circuit breakers with a common chamber is an outdoor switching device with a rated voltage of 12 kV, three-phase alternating current with a frequency of 50 Hz. Designed primarily for switching off and on load currents, overload currents and short circuit currents in electrical systems. It is used in distribution systems of substations, industrial and mining enterprises, rural electrical networks.
Description
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The ZW□-12 series of outdoor high voltage AC vacuum circuit breakers with a common chamber is an outdoor switching device with a rated voltage of 12 kV, three-phase alternating current with a frequency of 50 Hz. Designed primarily for switching off and on load currents, overload currents and short circuit currents in electrical systems. It is used in distribution systems of substations, industrial and mining enterprises, rural electrical networks.
Design features
1. Flexible and convenient control: New compact spring actuator with manual and electric control, providing automatic energy storage, electric on and off, as well as manual energy storage, on and off capability.
2. Reliable sealing: the use of proven sealed design technology ensures excellent gas tightness.
3. Excellent external insulation properties: The terminal bushings are made using APG technology, the insulation distance is sufficient, the operation is safe and reliable.
4. Maintenance-free: The main circuit and secondary components are sealed in SF6 (zero overpressure) and are not affected by the external environment.
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