The ZW58A-12/T630-20 type outdoor high-voltage AC vacuum circuit breaker, independently developed by Tianjin Pinggao, adopts a brand-new safety design concept that integrates the isolation break with the vacuum interrupter, ensuring inherent safety for the distribution network under extreme conditions; it incorporates high-precision sensing units to enhance the safety margin, flexibility, and intelligence of the distribution network, supporting the high-quality development of the distribution network in the new era.
