The ZW32 series outdoor high-voltage vacuum circuit breaker is widely recognized in medium-voltage power distribution networks for its durability, reliability, and adaptability. As utilities and industrial users continue to expand and modernize grid infrastructure, the selection of a trustworthy supplier has become just as important as the product’s technical specifications.
The ZW32 series is designed primarily for 12kV and 24kV overhead line applications. It features vacuum interruption technology, which significantly reduces arc energy, extends operating life, and minimizes maintenance requirements. Its compact pole-mounted design makes it suitable for rural distribution networks, urban ring networks, and industrial power systems.
Performance stability is one of the core advantages of the ZW32 series. The breaker is engineered to handle rated currents (commonly 630A) and withstand short-circuit conditions up to 20kA–25kA for 3 seconds. It supports both manual and motorized operation, enabling flexible integration into feeder automation systems and smart grid control platforms. The sealing and insulation structure is built to handle temperature fluctuations, humidity, pollution, and UV exposure, ensuring dependable operation in outdoor environments.

When choosing a supplier, it is important to consider product consistency, component quality, after-sales support, and certification compliance. A reliable supplier should provide complete testing documentation, clear installation guidelines, and technical support for commissioning and maintenance planning. Transparency in specifications and long-term supply capability are also key factors for utilities and EPC contractors.
Putai provides ZW32 series outdoor vacuum circuit breakers with stable performance, clear rating documentation, and consistent production standards suitable for various project environments. Putai also supports customization and coordinated supply of related medium-voltage accessories for system integration needs.