Live Tank Circuit Breaker:

The voltage class of live tank circuit breaker is 40.5~1100kV. The body of live tank circuit breaker adopts unit structure. The advanced design of arc extinguishing chamber ensures the superior breaking capacity of circuit breaker, greatly reduce the workload of inspection, repair and Maintenance.

Rated HV  (kV)

Rated short-circuit
breaking current(kA)

40.5~145

40

252~550

50

Dead Tank Circuit Breaker:

The dead tank circuit breaker (40.5–800 kV) combines the advantages of the live tank design with enhanced shock resistance and pollution tolerance. Equipped with bushing current transformers for higher reliability and compact layout, it is ideal for seismic, polluted, and high-altitude environments.

Rated HV  (kV)

Rated short-circuit
breaking current(kA)

40.5~72.5

50

145~170

40

252~550

63

GIS

The voltage class of dead tank circuit breaker is 40.5~1100kV,and maximum rated short circuit breaking current is 63kA.

Beside the properties of dead tank circuit breaker, GIS uses modular design and combined based on demands with high reliability, small maintenance and flexible arrangement.

Rated HV  (kV)

Rated short-circuit
breaking current(kA)

72.5~126

40

145

50

252~550

63

Engineering & System Design

Advanced Insulation Technology

Gas-insulated designs minimize footprint while enhancing operational safety.

High Interrupting Performance

Reliable fault-clearing capability under high short-circuit conditions.

Compact & Space-Efficient Design

Ideal for substations with limited space or urban installations.

System Integration Ready

Seamless integration with transformers, protection relays, and control systems.

Performance & Reliability

Circuit breakers and GIS solutions are essential for reducing system risk and maintaining network stability.

Enhanced System Reliability

Fast, precise switching minimizes fault impact and service disruption.

Reduced Maintenance Requirements

Sealed GIS designs reduce exposure to environmental factors and maintenance intervals.

Operational Safety

Designed to protect personnel, equipment, and surrounding infrastructure.

Long-Term Asset Value

Robust construction and compliance with global standards support extended service life.

WHY US

Why Choose Red Mountain

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