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Medium Voltage Substation Protection & Grid Isolation
Engineered to provide unmatched safety and high-fault current interruption for medium voltage networks, our Vacuum Circuit Breaker (VCB) Panels act as ultimate safety sentinels. Available for 11kV to 33kV distribution lines, these metal-clad panels house premium vacuum interrupters that quench electrical arcs instantaneously, safeguarding upstream power sources and expensive heavy transformers from catastrophic thermal faults.
Features hermetically sealed vacuum bottles that rapidly extinguish heavy arcs upon contact separation, minimizing contact wear and tear.
Integrated with multi-functional IDMT numerical relays to ensure rapid tripping during overcurrent, earth fault, and under/over voltage loops.
Features a smooth motorized or manual horizontal draw-out trolley layout with clear 'Service', 'Test', and 'Isolated' position locks.
Equipped with strict mechanical safety interlocks that block accidental trolley insertion or rack-out while the circuit breaker is 'ON'.
Heavy-duty internal structural steel bracing is comprehensively certified to withstand massive fault current bursts up to 25kA/40kA for 3 seconds.
Constructed inside separate grounded metal-enclosed segments (Breaker, Busbar, Cable, and Instrument) to contain arc-flash events safely.