Three Phase Pad Mount Mobile Power Distribution Transformer Factory

Ratings
• 45, 75, 112.5, 150, 225, 300, 500, 750, 1000,
  1500, 2000, 2500, 3000, 3750, 5000 kVA
  and 10000 kVA
• Standard high-voltage ratings: 14400 Volts delta,
  with taps at 13800, 13200, 12870, 12470, 12000, and 11700 Volts.
  Optional high-voltage ratings from 2400 through 19920 Volts
• Standard low-voltage rating: 480Y/277 Volts.
  Optional low-voltage ratings from 120 through 600 Volts
• Standard frequency: 60 Hertz
  Optional frequency: 50 Hertz
 
Standard Features
• Designed and manufactured in accordance with all applicable
  IEEE, NEMA, and DOE standards
• Non-load break high-voltage tap switch with operating handle
  located in the high-voltage compartment
• Externally clamped porcelain high-voltage
  bushings with spade terminals (live-front construction)
• Mounting provisions for lightning arresters in the high-voltage
• Externally clamped epoxy or porcelain low-voltage bushings
  with integral spade terminals
• Removable neutral ground strap in low-voltage compartment
• Lifting provisions
• Jacking and rolling provisions
• Removable steel forklift channels
• Removable terminal compartment and front sill
• Tamper resistant removable tank access cover
• Three-point door latching system with padlock provision and
  recessed interlocking pentahead security bolt
• Tank grounding provisions
• Welded mild steel tank construction with mild steel terminating compartment
• Mild steel barrier between high voltage and low-voltage compartments
• Corrosion resistant hardware
• Recessed tank compartment bottom
• Domed covers on tank and terminal compartment
• Electrostatically applied powder paint finish with
  polyurethane topcoat (ANSI 70 light gray)
• Oil fill/oil level plug
• Oil drain valve with sampling device
• Automatic pressure relief device
• Dial-type liquid level gauge
• Dial-type liquid temperature gauge
• Electrical grade mineral oil insulating fluid with oxidation inhibitor
• Laser engraved nameplate
• Bushing designation labels
 
Optional Features
• Insulated interphase barriers
• Lightning arrester mounting provisions (live front construction only)
• Two 2.5% high-voltage taps above and below normal voltage,
  or four 2.5% high-voltage taps below normal voltage,
  or four 2.5% taps above normal voltage, or no high-voltage taps
• Dual high-voltage rating with non load break switch handle located
  in the high-voltage compartment (not available in combination
  with high-voltage taps)
• High-voltage fuses, including internal expulsion fuses, draw-out
  expulsion fuses, internal backup current limiting fuses,
  and draw-out full-range current limiting fuses in
  dry-well canisters
• Internal load-break high-voltage ON/OFF switch with operating
  handle located in the high-voltage compartment
• Stainless steel tank and terminating compartment
• Cover mounted high-capacity pressure relief device
• Amorphous Metal Core
• Silicone, or Ester-based insulating fluid
• Cooling fans with control or fan mounting provisions only
• Mounting provisions for external electricity meter
• Hexhead security bolt (pentahead standard)
• Temporary service access provision (conduit hole) in terminal compartment sill
• Optional topcoat paint color: ANSI 49 light gray, ANSI 61 light gray,
  ANSI 24 dark gray, olive green (Munsell 7GY3.25/1.5), or white
• Tank grounding connectors