Wiegmann
Wiegmann N12303008 Electrical Enclosure 30 in H 8 in D
A NEMA 12 and 13 rated carbon steel enclosure with hinged solid cover, clamps, padlockable hasp, external mounting feet and poured polyurethane gasket, 30 in high by 30 in wide by 8 in deep
- NEMA 12 and 13 rated enclosure protects against dust and dripping water
- Carbon steel construction with 14 gauge thickness provides durable protection for electrical components
- Padlockable hasp and staple secures enclosure against unauthorized access
- Seamless polyurethane poured gasket maintains reliable seal against contaminants
- CSA certified and cULus listed for compliance with safety standards
Industrial wall-mount enclosure for electrical gear
The Wiegmann N12303008 is a carbon-steel enclosure rated NEMA 12 and 13 for indoor protection against dust, dirt and non-corrosive liquids. It measures 30 in high, 30 in wide and 8 in deep with a usable opening depth of 7.88 in. A hinged solid cover secures with clamps and a hasp-and-staple arrangement that accepts a padlock. The box carries CSA, cULus and UL listings.
Sealed construction limits heat build-up and noise
A seamless polyurethane gasket is poured in place to maintain the NEMA seal around the full perimeter. The 14 ga steel body and painted grey finish resist corrosion while dissipating heat from installed breakers or controllers. External mounting feet allow direct wall attachment without breaching the gasket. No fans or active cooling are present, so acoustic output is negligible.
Steady thermal performance under continuous load
Because the enclosure relies on natural convection through its sealed walls, internal temperature rise depends on the total dissipated wattage of the mounted devices rather than on short bursts. The solid cover and clamp closure preserve the NEMA 12 and 13 rating indefinitely, provided the gasket remains undamaged and the clamps stay tight. Installers should verify that the combined heat load stays within the enclosure’s passive dissipation capacity for the intended ambient conditions.
Highlights
- NEMA 12 and 13 rated enclosure protects against dust and dripping water
- Carbon steel construction with 14 gauge thickness provides durable protection for electrical components
- Padlockable hasp and staple secures enclosure against unauthorized access
- Seamless polyurethane poured gasket maintains reliable seal against contaminants
- CSA certified and cULus listed for compliance with safety standards
Specifications
| Brand | WIEGMANN |
|---|
Questions about this item
How do I mount the Wiegmann N12303008 enclosure and what step is often missed?
Use the external mounting feet to secure the 30 in high, 14 ga carbon steel box to the wall; the step often missed is verifying the poured-in-place polyurethane gasket seats fully before tightening the clamps to maintain the NEMA 12/13 seal.
What maintenance will the Wiegmann N12303008 need over time?
Inspect the seamless polyurethane gasket and clamp alignment periodically; replace the gasket if it shows compression set or damage, and repaint any scratched gray finish to preserve the carbon steel corrosion protection.
What is the first limit reached when the Wiegmann N12303008 runs at full load continuously?
The usable opening depth of 7.88 in restricts the size of internal components and airflow, so thermal buildup inside the sealed NEMA 12/13 enclosure becomes the limiting factor before the 14 ga steel or clamps reach any mechanical limit.
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