Skip to main content

Please Select Your Country/Language Preferences

Terminal Box 3-Phase Type 3R, 23.00x12.00x4.50, Gray, Steel

  • Grounding provisions
  • Hub opening at top with cover
  • Provisions for padlocking or seal
  • Distribution lugs installed (see table for sizes)
  • Knockouts on bottom of enclosure
  • Removable cover
  • Drip-shield top and seam-free sides, front and back
  • Terminal Boxes are finished with paint over plated surfaces
Show More

Catalog #:


Terminal Box Type 3R


  • Height: 23 in / 584 mm
  • Width: 12 in / 305 mm
  • Depth: 4.5 in / 114 mm
  • Protection Rating: NEMA Type 3R; IP32
  • Material: Mild Steel
  • Finish: Galvanized; Powder Coated / Galvanized; Powder Coated
  • Color: Gray
  • Color Code: ANSI 61
  • Thickness: 16 ga / 1.52 mm
  • Amps: 200 A
  • Phase: 1Ø Ph
  • Wire Range: (6) #6-350MCM kcmil
  • Voltage AC: 120/240 V
  • Bar Quantity: 3
  • Weight: 23.7 lb


Terminal Box, Type 3R are wire-splice boxes for outdoor commercial or industrial applications that have a feeder tap to branch circuits. Boxes are available in three- or four-wire configurations in sizes up to 400 A.

TB3R401 is UL and cUL for copper conductor only.



Industry Standards

UL 1773 Listed; Type 3R; File No. E256098
UL 50, 50E Listed; Type 3R; File No. E27525
cUL Listed per CSA C22.2 No 94; Type 3R; File No. E27525
IEC 60529, IP32

Resellers in your area

Below is a list of local resellers who currently have this item in stock:

Distributor Quantity Date in Stock
There is no information available.