PRS-EN-N1
NEMA 1 wall enclosure
Indoor cabinet for panels and terminations in a dry electrical room.
Quote by height, width, depth, and steel or aluminum. Back panel called out separately if needed.
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Electrical enclosures for data center sites
The enclosure follows the room it sits in. Dry electrical rooms take a NEMA 1 cabinet. Yards take a weather-resistant box. Wet or corrosive areas take a 4 or 4X. Florida sites that already plan for wind and flood often ask for 3R or 4X on outdoor gear. That is a spec note for the quote, not a claim that we stock enclosures in any state.
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How enclosures are used on a data center site
Enclosures are the cabinets that hold panels, terminations, and controls. A dry electrical room usually takes a NEMA 1 wall cabinet. Yard gear that only has to shed rain takes a NEMA 3R box, often with a sloped top. Hose-down or corrosive areas, including some cooling-yard spots, take NEMA 4 or 4X, painted steel or stainless.
The rating follows the exposure, not the photo. A gray box in a catalog image does not tell you it is outdoor-rated. Size follows the equipment inside: breakers, a back panel, and working clearance. If you are buying the devices too, quote breakers with the box so the interior is not an afterthought.
Outdoor specs show up more often on sites that already design for weather. Florida parcels, for example, deal with wind and flood as a site issue. That can push yard gear toward 3R or 4X. It does not mean we warehouse enclosures in Florida. The quote is for the job site you name, anywhere in the US. Mounting hardware, when the box hangs on strut, is under hardware.
Pick the rating for the exposure
NEMA 1 is an indoor shell. NEMA 3R sheds rain and belongs on pad-mount or wall-mount yard gear. NEMA 4 and 4X are the hose-down and corrosive-area boxes, painted steel or stainless. A photo of a gray cabinet does not tell you which rating you need. The location does.
PowerReadySites does not run warehouses in Florida, New Jersey, or anywhere else. Quotes are for the job site you name, anywhere in the US.
Size, material, and the back panel
Height, width, depth, steel or stainless, and whether you need a back panel are the price drivers. Hinge side, a window, or a dead-front should be in the notes. If the box is going to hold breakers, quote circuit breakers in the same request so the interior matches.
Representative quote lines
PRS-EN-3R
NEMA 3R outdoor enclosure
Weather-resistant cabinet for yard gear that still needs a service door.
Quote by size, pad-mount or wall-mount, and hinge side. Note any window or dead-front.
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PRS-EN-4
NEMA 4 / 4X enclosure
Hose-down or corrosive-area cabinet, painted steel or stainless.
Quote by size and material. 4X is the usual ask next to cooling towers and chemical rooms.
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Codes keep a quote attached to the right line in this catalog. They are not a manufacturer part number. If you have a spec, put it in the notes. We price that request, not a shopping cart.
Frequently asked questions
Which NEMA type should I request?
NEMA 1 for a dry indoor room. NEMA 3R for outdoor gear that needs a weather-resistant door. NEMA 4 or 4X where the box is washed down or sits in a corrosive area. 4X is the stainless or nonmetallic version of that duty. If you are unsure, describe the room or the yard and do not let a photo decide.
What dimensions does the quote need?
Height, width, and depth, plus steel or stainless, and whether you need a back panel. Hinge side, a window, or a dead-front belong in the notes. A quote for a cabinet with no size is only a budget conversation.
Do you stock enclosures in Florida or New Jersey?
No. PowerReadySites does not run warehouses. Florida comes up because outdoor data center gear there often has a weather rating, which is already discussed on the Florida land page. The enclosure is still quoted to your site, not pulled from a state stockyard.
Can the enclosure be pad-mounted?
NEMA 3R yard gear is often wall-mounted or pad-mounted. Say which, and the hinge side if crews have to service it from a specific face. Pad-mount also changes the footprint you need on the slab.
Should cooling or a fan be included?
Only if the heat load requires it. A plain cabinet quote does not include a fan, an air conditioner, or a heat exchanger. If the gear inside dissipates heat the box cannot shed, say so. That is a different assembly.
How are enclosure lead times handled?
A standard indoor cabinet and a stainless 4X box in an odd size are not the same wait. We do not publish days on this page. The quote covers the size and rating you sent. Modified cutouts add time. Call those out up front.