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Medium Voltage Incomer & Transformer Protection
Engineered as a highly reliable and cost-effective isolation hub for medium-voltage networks, our 11kV HT Load Break Switch (LBS) Panels deliver superior switching performance. Designed primarily to feed and safeguard indoor/outdoor distribution transformers, these air-insulated metal-enclosed systems are equipped with heavy-duty HT HRC fuses, dynamic arc-quenching mechanisms, and absolute mechanical safety interlocks.
Capable of safely making and breaking active load currents up to 630A under full grid operating conditions with instant arc-chute quenching.
Houses high-breaking-capacity HT fuses with an automatic mechanical trip mechanism that opens all three phases instantly if any single fuse blows.
Features foolproof interlocks preventing panel door opening when the switch is 'ON' or opening the earth switch while main blades are active.
Equipped with a quick-make fault-making earthing switch to completely bleed residual voltage and ensure ultimate safety during maintenance.
Constructed using 2.0mm thick high-grade CRCA steel sheets, offering rigid multi-compartment isolation with an IP4X industrial protection rating.
Supports smooth manual handle-driven spring charging operations, with optional motorized shunt trip packages for remote SCADA integration.