NVENT HOF TB3R403 3R Terminal Box 4
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Manufacturer Hoffman Engineering
Mfg Catalog # TB3R403
North Coast Part # 885787


  • 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


  • Height (H) (inch): 27
  • Height (H) (millimetre): 686
  • Width (W) (inch): 16
  • Width (W) (millimetre): 406
  • Depth (D) (inch): 5
  • Depth (D) (millimetre): 127
  • Protection Rating: NEMA Type 3R
  • Material: Mild Steel
  • NEMA Rating: 3R Weather-resistant, except dust
  • Amps (ampere): 400
  • Phase (phase): 3Ø
  • Wire Range (1000 circular mil): (6) #4-600MCM
  • Voltage AC (volt): 600
  • Bar Quantity: 4
  • Modification Services: Yes
  • Type Number: Type 3R
  • IP Rating: IP32
  • Color: Gray
  • Color Code: ANSI 61
  • Finish: Galvanized
  • Thickness (T) (gauge): 16
  • Thickness (T) (millimetre): 1.52
  • Size: 27.00x16.00x5.00 in


GTiN 00783510144487
Finish Polyester Powder Coated
Width 16 in
Size 27.00x16.00x5.00 in
Color ANSI 61 Gray
Type Sealable, 3-Phase
Material Steel
Applications For Outdoor, Commercial, Industrial Use
Depth 5 in
Height 27 in
Standard 50E Listed,CUL Listed Per CSA C22.2 No 94,File No. E256098,File No. E27525,IEC 60529,IP32,NEMA/EEMAC Type 3R,Type 3R,UL 1773 Listed,UL 50
Family Brand Name Hoffman
Amperage 400 Amp
Sub Brand Hoffman
Product UPC 78351014448
Length 27 in
Mounting Type Wall
Wire Size (6) 4-600 MCM
Thickness 1.52 mm

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