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Class I, Division 2 Hazardous Location transformers

Type EPZ (single-phase) and EPTZ (three-phase) transformers are UL listed and suitable for installation in Class I, Division 2 Groups A,B, C and D locations, and offer a solution for many petrochemical and other industrial facilities with atmospheres unsuitable for application of either liquid filled or general purpose dry-type transformers.
Voltage class
600V
Ratings
Single-phase 1 - 37.5 kVA Three-phase 15 - 75 kVA
Winding conductor
Aluminum or copper

Core features

  • Encapsulated transformers are specifically excluded from the scope of U.S. DOE energy efficiency requirements
  • Available in aluminum or copper windings
  • Standard 115°C rise; 80°C rise optional. Insulation class 180°C
  • Optional low-sound 3dB and 5dB below NEMA ST-20 standard
  • Available in 60 and 50 Hz
  • Standard NEMA 3R enclosures; optional NEMA Type 4X
  • Cores are grounded with a copper lead

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