Industrial Transformer Models

500 kVA Skid Type  

500KVA Skid Type Portable Power Transformer, 600V or 480V primary to 120/208V secondary, NEMA 3R with carbon steel protective cage.

500 kVA Skid type configuration:

  • 400A 16 Series Camlok input/ output with color coded snap back covers. 
  • Re-connectable primary input voltage (600VAC or 480VAC).
  • 600A 3P 600VAC 80% rated Main breaker on the Primary side.
  • 1350A 3P 240V 100% rated Main breaker on the secondary side.
  • 1200A 45" Interior I-Line Panel to distribute primary or secondary (optional).
  • Aluminum NEMA 3R enclosure with bottom access trap door (hardwire out access).
  • Heavy duty carbon steel frame with forklift pockets and lifting eyelets.
  • Never flat urethane casters with locks.

500kVA Skid Type Technical Features

  1. Carbon steel protective with 2x lifting eyelets
  2. Lightweight aluminum enclosure, NEMA 3R, powder coated RAL7035.
  3. Removable side panel to access Transformer's interior.
  4. Large forklifts pockets.

  1. Padlockable main door with clear polycarbonate window.
  2. Optional voltage selector switch.
  3. One set of Male and Female Camlok devices for step-up/step-down applications.
  4. Four 6'' Solid polyurethane casters with locks.


Energy efficient dry-type transformer features:
  • Aluminum coil windings are of high quality magnet wire.
  • UL Class 220°C insulation system, 150°C temperature rise under full load. 
  • Weather shields (NEMA Type 3R) for outdoor use.
  • Every coil is impregnated and baked in polyester resin varnish.
  • Standard ±5% or ±2x2.5% taps.
  • UL Listed File No. E108255.
  • CSA Standard C22.2 No. 47 and certified under File No. LR34493.
  • Quality assurance and testing are full compliance with CSA Z299.3 & ISO 9001 programs.
  • Compliant to NEMA TP-1 Standards.
Power Distribution Panel features:
  • 0.090" Aluminum NEMA 3R enclosure, powder coated RAL7035.
  • Heavy duty carbon steel skid with large pockets and lifting eyelets.
  • Never flat urethane casters with locks.
  • 3 Position voltage selector switch on the primary side: 600V-OFF-480V.
  • Anti-vibration pads installed between the enclosure and the core/coil.
  • UL1640 Listed, Portable Power Distribution Panel, file number E350898.
  • CAN/CSA C22.2 No.14 Listed.


Portable Transformer application:
  • For use as a temporary power distribution system in industrial plant shutdowns/ maintenance.
  • Isolation power filter for entertainment industry such as live events, recreational parks & broadcasting.
  • To step-up of step-down power for construction sites, utility plants, refineries, military & shipyards.
  • Temporary power for remote work areas, job trailers and man-camps in the oilfields.