Our 72.5kV SF6 (sulphur hexafluoride) Circuit Breaker is a high-performance solution designed for reliable switching and protection of electrical power systems in transmission and sub-transmission networks. Engineered for high efficiency and safety, this circuit breaker uses SF6 gas as an insulating and arc-quenching medium, ensuring minimal maintenance and extended service life.
Key Features:
Rated Voltage: 72.5 kV
Rated Current: Up to 3150 A (configurable)
Short-Circuit Breaking Capacity: Up to 40 kA
Insulation Medium: SF6 gas – excellent dielectric strength
Operating Mechanism: Spring or hydraulic
Interrupting Time: < 3 cycles
Standards Compliance: IEC 62271-100 / ANSI / IEEE
Benefits:
Superior arc extinction capability
Compact design for easy installation
Low operating energy requirements
Sealed pressure system for zero gas leakage
Suitable for indoor or outdoor substations
Ideal for utility and industrial applications, the 72.5kV SF6 Circuit Breaker offers dependable protection and long-term cost efficiency for high-voltage switching operations.
