Envirotran Critical Load Transformer


Eaton’s Cooper Power series Envirotran critical load transformer (CLT) is designed with special attention to surge protection, providing superior performance under stressful electrical environments. Eaton’s CLTs offer an unparalleled combination of reliability, efficiency, safety, performance and operational features, all at an incredible value.

kVA 500 - 10,000
Primary Voltage Delta or Wye Connected 2400-43,800 V Delta 2400 V
1000 kVA and Below, Secondary Voltage 208Y/120 V to 14,400 V
  • Envirotemp™ FR3™ fluid or electrical grade mineral insulating oil (upon special request)
  • De-energized tap changer, externally operable
  • Sidewall-mounted high-voltage porcelain bushings
  • Sidewall-mounted low-voltage molded epoxy bushings with NEMA spades
  • Tank bases designed for skidding or rolling in any direction
  • Extra-heavy, welded-in-place lifting lugs and jack pads (4)
  • Stainless steel grounding pads (4)
  • Cooling radiators are welded directly to the tank
  • Dial-type thermometer
  • Dial-type liquid level gauge
  • Pressure vacuum gauge
  • Cover mounted automatic pressure relief device
  • Pressure test connection
  • 1” upper fill plug with filter press connection
  • 1” drain valve with sampler combination (2500 kVA and below)
  • 2” drain valve with sampler (over 2500 kVA)
  • 1” upper filter valve (over 2500 kVA)
  • Painted using ANSI #61 Light Gray; ANSI #70 Sky Gray; or Special paint available per request
  • Laser-scribed anodized aluminum nameplate