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High-Voltage Substation Protection & Distribution
Engineered for high-tension substations, our 33kV Indoor HT Switchboard Panels deliver robust power distribution and heavy-duty grid protection. Featuring metal-clad compartmentalized enclosures, integrated Vacuum Circuit Breakers (VCBs), and advanced safety interlocks, these panels provide ultimate line control and failsafe operation for heavy industries and power distribution networks.
Equipped with a horizontal draw-out type Vacuum Circuit Breaker (VCB) for rapid arc quenching and long operational life under heavy load switching cycles.
Fully compartmentalized design separating the busbar, breaker, cable terminals, and low-voltage control chambers to maximize plant safety.
Features mandatory mechanical and electrical interlocks to prevent accidental racking in/out of the breaker during live 'ON' operations.
Tested and fully verified to handle heavy short-circuit fault levels up to 25kA / 31.5kA for a duration of 3 complete seconds.
Houses microprocessor-based numerical relays providing instant overcurrent, earth fault, under-voltage, and sensitive transformer protection.
Features high-accuracy cast resin Current Transformers (CT) and Potential Transformers (PT) configured for perfect metering and relay operations.