SRV Series vacuum circuit breaker (VCB) – Advanced Protection for Indoor Medium-Voltage Systems

Designed for high reliability and ease of integration, the SRV series vacuum circuit breaker (VCB) is a next-generation indoor switching solution for 12kV to 24kV power distribution networks. Ideal for industrial facilities, data centers, renewable energy plants, and utility substations, this compact and intelligent breaker delivers superior arc interruption, minimal maintenance, and seamless compatibility with modern switchgear architectures.

Featuring a sealed-for-life vacuum interrupter and a precision spring-charged operating mechanism, the SRV series indoor vacuum circuit breaker ensures consistent performance over tens of thousands of operations. With rated currents up to 4000A and short-circuit breaking capacities up to 50kA, it meets stringent international standards including IEC 62271-100—guaranteeing safety, durability, and interoperability in critical Power Systems.

The unit supports both fixed and withdrawable mounting in 12kV metal-clad switchgear, enabling rapid isolation and service without system shutdown. Integrated mechanical interlocks, status indicators, and optional smart sensors allow for predictive maintenance and remote monitoring—making the SRV series a future-ready choice for digital substations and smart grid applications.

Its sleek, rugged enclosure—shown in the image above—is engineered for indoor environments, offering excellent corrosion resistance, low operational noise, and optimized thermal management. Whether you're upgrading legacy infrastructure or deploying new medium-voltage switchgear, the SRV series VCB provides a scalable, cost-effective path to enhanced grid resilience and operational efficiency.

Trusted by engineers worldwide, the SRV series vacuum circuit breaker (VCB) redefines performance, safety, and sustainability in indoor medium-voltage protection.