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Gray powder-coated steel electrical enclosure with screw-on solid cover and captive screws

HOFFMAN

HOFFMAN A404SC Electrical Enclosure 4 in H 3 in D 4 in

SKU CH-S1RN-1NA7M

Wall-mount steel enclosure rated NEMA 12/13 and IP65 with captive screw cover and welded mounting nuts

  • TypeElectrical Enclosures, Wireways & Covers
  • NEMA 12 and 13 rating protects against dust and dripping water
  • IP65 ingress protection resists water jets and solid particles
  • Powder-coated steel construction with neoprene gasket seals out contaminants
  • Captive screw latches secure the cover without loose hardware
  • Weld nuts allow direct mounting of panels and terminals

Compact Steel Enclosure for Indoor Wiring

The Hoffman A404SC is a 4-inch steel enclosure rated NEMA 12 and 13 with IP65 protection. It suits installers who need a small, wall-mounted box for indoor electrical junctions or terminal blocks where dust and water ingress are concerns.

Upgrade from Unrated or Plastic Boxes

This unit replaces basic plastic or unrated metal boxes when a powder-coated 14/16 gauge steel body and neoprene gasket are required. The jump is worth it for applications demanding a solid screw-on cover and captive screw latches that stay with the lid during maintenance.

Straightforward Wall Mount with Captive Hardware

Installation uses welded weld nuts for a mounting panel and terminals, avoiding separate bracket kits. Captive screws on the cover prevent lost hardware during access. The main oversight is forgetting to seat the neoprene gasket evenly before tightening the screws, which compromises the IP65 seal.

Highlights

  • NEMA 12 and 13 rating protects against dust and dripping water
  • IP65 ingress protection resists water jets and solid particles
  • Powder-coated steel construction with neoprene gasket seals out contaminants
  • Captive screw latches secure the cover without loose hardware
  • Weld nuts allow direct mounting of panels and terminals

Specifications

BrandNVENT HOFFMAN
TypeElectrical Enclosures, Wireways & Covers

Questions about this item

What wall-mount hardware does the A404SC enclosure need?

The enclosure has weld nuts for mounting panel and terminals, so you secure it directly to the wall with suitable screws or bolts.

Which step is often missed when fitting the cover on the A404SC?

The neoprene gasket must be seated evenly before tightening the captive screw latches, otherwise the IP65 seal will not hold.

When should the gasket on the A404SC be replaced?

Replace the neoprene gasket if it shows cracks, compression set or hardening, as a degraded gasket will break the NEMA 12 and 13 rating.

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