CNKEEYA

We are a premier B2B manufacturer of the ZW7-40.5 Vacuum Circuit Breaker, a robust 40.5kV Outdoor High Voltage Breaker engineered for power distribution systems. This three-phase VCB is designed to protect rural and urban networks, as well as industrial and mining enterprises, by reliably managing load currents, overload currents, and short-circuit currents.


This High Voltage Pole Mounted Breaker features a durable Ceramic Insulator Vacuum Breaker design and a proven Spring Operated Mechanism Breaker, ensuring a high mechanical life (10,000 operations) and stable performance in harsh outdoor environments. As a China Made Vacuum Circuit Breaker, it is fully IEC 62271-100 Compliant, offering world-class safety and reliability.


With rated currents up to 2000A and a short-circuit breaking capacity up to 31.5kA, this withdrawable VCB provides a cost-effective and dependable solution for medium-voltage protection. Trust this Made in China breaker for your substation and network protection needs.