NEMA 3R Slip-Under Cover Transformer Cabinets

Designed for use as a current transformer and/ or potential transformer and enclosure. Protects against rain, sleet and snow in outdoor installations.

  • Construction:
  • 14-gauge galvanized G-90 steel Top overlaps sides and cover
  • Two stainless-steel hasps provided for padlocking
  • Transformer mounting (cheese) plates provided
  • Notched mounting rails for cheese plates Reinforced cover

  • Options:
  • Light Munsell gray, powder-coated, oven-baked, high-gloss polyester finish
  • Options: holes, hubs, cutouts, special sizes, knockouts, insulated wood backboard in place of transformer mounting plates and rails.
  • Available in aluminum, mill finish, unpainted – change catalog number prefix from 511- to 561- 
  • Industry Standards:
  • Designed to NEMA Type 3R
  • UL 50 Type 3
  • Models:
  • 511U3810
  • 511U3813
  • 511U3809
  • 511U3801
  • 511U3802