Indoor High-voltage Vacuum Circuit Breaker

This product is the ZN63A (VS1) type Indoor high-voltage vacuum circuit breaker, suitable for three-phase AC 50Hz, rated voltage 7.2–12kV indoor high-voltage systems. It strictly complies with GB 1984-2003 "AC High-Voltage Circuit Breaker", JB 3855-1996 "3.6–40.5KV Indoor AC High-Voltage Vacuum Circuit Breaker", DL 403-91 "Ordering Technical Conditions for 10-35KV Indoor High-Voltage Vacuum Circuit Breaker", and also meets IEC 60694 and IEC 62271-100 international standards. The Indoor high-voltage vacuum circuit breaker is designed for stable operation in standardized high-voltage systems.
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Description

Core Advantages

 

  • Complete standards coverage, dual certification of national GB standards and international IEC standards
  • Supports frequent operation with multiple breaking and fast reclosing capability
  • Front-rear split structure design, suitable for both fixed installation and modular combination
  • Reliable mechanical interlocking, effectively preventing misoperation such as false opening or closing
  • Stable vacuum arc extinguishing performance, ensuring safe high-voltage operation with no hidden risks
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Application Fields

 

Dedicated to indoor high-voltage switchgear cabinets, substation high-voltage power distribution, industrial and mining enterprise high-voltage power supply, and urban power grid indoor high-voltage equipment. It is the core switching unit of high-voltage distribution systems. The Indoor high-voltage vacuum circuit breaker is widely applied in modern power infrastructure.

 

Full-Process Service Advantages

 

Order full-process visual management is implemented, with standard product lead time of 20–40 days. During production, photo and video progress updates can be provided as needed. DDP trade terms are adopted for direct delivery to the designated warehouse, providing one-stop service from pre-sales selection, in-sales delivery, to after-sales maintenance.

 

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