Mine 4160V 750kVA Portable Substation

750KVA 4160-600V Portable Substation for 5 KV Underground Mine site.

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    These portable substations are designed to incorporate numerous arc flash and electrical safety features including:

    • Rugged steel enclosure for mining applications
    • Lifting and hoisting lugs with 10x safety factor
    • 4160 to 600 V, 3 phase, 750 KVA copper wound dry type transformer with structural steel bracing for mining applications (cleaned, tested and reused)
    • 3 x 5 KV mining connectors for 5 KV input, feed through and 5 KV miner power.
    • 5 KV vacuum contactor and controls for safe operation of 5 KV miner output
    • Steel wireway for safe separation of main 600 V insulated bus
    • Separate 600V, 800 Amp main breaker compartment for isolation and safe access to 600 V feeder panel
    • 6 X 600 V feeder circuits controlled by vacuum contactors and pushbutton controls to control 600V outlets from a safe distance.
      • 3 x 225 Amp mining receptacles
      • 3 x 125 Amp mining receptacles
    • Separate enclosure for isolation and safe access to 600 V vacuum contactors.
    • Separate enclosure for isolation and safe access to 600 V feeder breakers with additional internal dual hinged doors to cover 600 V terminals and wiring
    • Recessed location for breaker operator handles, pushbutton controls and voltage indication.
    • Remote operator handles for safe operation of breakers from outside the enclosure.
    • Ground fault and pilot wire protection relays on every 600 V feeder.
    • Neutral ground resistor with resistor failure detection and ground fault detection on main 600 V.
    • LED indicators for phase voltage indication located at 2 locations, 600 V receptacles and control panel.
    • LED indicators for phase voltage indication on 5 KV bus.
    • Digital metering of V, A, W, etc on 5 KV miner output
    • Digital metering of V, A, W, etc on 600 V main bus.
    • Kirk Key interlocks between doors and disconnect handles on 5 KV switches and 600V main breaker.