Harsh Environment Transformers


EnviroGuard Logo

Enviro-Guard is a versatile and efficient epoxy vacuum-impregnated (EVI) transformer designed for harsh environments. Suitable for indoor and outdoor applications including mining, petrochemical, and pulp and paper.


  • Approved for installation in hazardous locations Class 1, Division 2, Groups A, B, C and D.
  • Flexible design
  • Cost-effective
  • Sealed core & coil
  • Noise reduction ability
  • Superior dielectric withstand
  • Lighter weight than potted transformers

grey transformer ventilated
  • Efficiency: Meets NRCAN 2019
  • Ratings: Three phases from 15 to 300 kVA
  • Windings: Copper
  • Frequency: 60 Hz
  • Insulation system: 220°C (150°C rise)
  • Typical impedance: 2.5% to 6.0%
  • Wall mounting brackets: Three-phase units up to 150 kVA
  • Enclosure type: Ventilated type 3R enclosure
  • Certification: CSA certified
  • Warranty: Lifetime (standard voltage applications)

Enviro-Guard Epoxy-Potted Transformer Brochure
Instruction manual for installation, operation, and maintenance of dry type distribution transformers


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