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Manufacturer Hoffman Engineering
Mfg Catalog # A404CHNF
North Coast Part # 211749


  • 16 or 14 gauge steel
  • Seams continuously welded and ground smooth
  • Stainless steel screw-down clamps on three sides of door
  • Continuous hinge
  • Stainless steel hinge pin
  • Oil-resistant gasket
  • Weldnuts provided for mounting optional panels and terminal block kits in size 6.00 x 4.00 in. (152 x 102 mm) and larger
  • Bonding provision on door
  • External wall-mounting brackets for easy installation


  • Catalog numbers ending in ā€œSā€™ā€™ are hinged on short side.
  • Purchase panels separately. Optional stainless steel, conductive, composite and aluminum panels are available for most sizes.


  • Industrial Corrosion Inhibitors
  • Fast-Operating Clamp-Cover Junction Box Clamp
  • Lock Kit for Clamp Cover Junction Boxes
  • Panels for Junction Boxes
  • Junction Box and Wall-Mount Enclosure Swing Out Panel Kit
  • Terminal Block Kit Assembly for Junction Boxes Overview


  • Bulletin Number: A51NF
  • Material: Mild Steel
  • Model Code: 55690
  • Ship Wt. Std. Pkg. (lbs): 37.8
  • Interchangeable: False
  • Finish: ANSI 61
  • UL Listed: 508A
  • Catalog Number: A404CHNF
  • A in.: 4
  • B in.: 4
  • C in.: 3
  • Gauge: 16
  • Panel: No Panel
  • Conductive Panel: No Panel
  • Panel Size D x E in.: No Panel
  • Mounting G x H in.: 4.75 x 2.00
  • Overall L x W in.: 5.50 x 4.94
  • J in.: 2.62
  • K in.: 0.54
  • M in.: 1.38
  • T in.: 3.00
  • Standards: UL 50, 50E Listed; Type 4, 12, 13; File No. E27567 || cUL Listed per CSA C22.2 No. 94; Type 4, 12, 13; File No. E27567 || UL 508A Listed; Type 4, 12, 13; File No. E61997 || cUL Listed per CSA C22.2 No. 94; Type 4, 12, 13; File No. E61997 || NEMA/EEMAC Type 4, 12, 13 || CSA, File No. 42184: Type 4 and 12 || IEC 60529, IP66


UPC 78351055690
GTiN 00783510556907
Finish Powder Coated
Width 102 mm
Size 4.00x4.00x3.00 in
Color Gray
Type Three Lock, Single Door
Material Steel
Applications For Indoor or Outdoor use
Mounting Type Wall
Depth 76 mm
Height 102 mm
Standard 12,13,50E Listed,CUL Listed Per CSA C22.2 No. 94,File No. E27567,File No. E61997,NEMA/EEMAC Type 4,Type 4,UL 50,UL 508A Listed
Family Brand Name Hoffman
Gauge 14 and 16
Cover Type Continuous Hinged with Clamp
Sub Brand Hoffman

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