Steel Enclosures & Junction Boxes

Steel enclosures and junction boxes from RSP Supply provide durable and reliable protection for electrical and electronic components in industrial and commercial environments. Engineered for strength, versatility, and long-term performance, these enclosures are a trusted choice for control panels, automation systems, and power distribution applications. 

With options from nVent Hoffman, Rittal, and Schneider Electric, RSP Supply offers both wall-mount and floor-standing steel enclosures, available in various NEMA and IP ratings to meet the highest safety and performance standards.

Found 2352 items
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Found 2352 items
Manufacturer
Hoffman (1374)
Rittal (452)
Schneider Electric (525)
Component
Bus Enclosure (3)
IEC Enclosure (110)
Industrial Workstation (12)
Junction Box (15)
Steel Enclosure (2212)
Enclosure Height
3.3" (2)
3.5" (2)
4.1" (1)
4.5" (1)
4.13" (1)
4" (12)
5.91" (18)
6" (40)
7.9" (1)
7.87" (29)
Enclosure Width
2" (1)
3.3" (2)
3" (1)
4.1" (1)
4.13" (1)
4" (36)
5.91" (12)
6.1" (2)
6.66" (1)
6" (50)
Enclosure Depth
1.9" (3)
1.93" (1)
2.62" (2)
2.75" (4)
2" (1)
3.3" (2)
3.5" (10)
3.7" (1)
3.9" (2)
3.15" (18)
Enclosure Composition
Carbon Steel (142)
Galvanized Steel (66)
Painted Steel (867)
Steel (987)
Enclosure NEMA Rating
IP55 (22)
NEMA Type 3 (6)
NEMA Type 1 (277)
NEMA Type 3 (25)
NEMA Type 3R (201)
NEMA Type 3S (6)
NEMA Type 4 (742)
NEMA Type 4X (255)
NEMA Type 5 (11)
NEMA Type 12 (1348)
Enclosure Hinge Type
Continuous Hinge (23)
Standard Hinge (896)
Enclosure Latch Type
3 Point (187)
3 Point Lock (98)
3-Point With Handle (11)
4 Point Lock (102)
Captive Screw (24)
Clamp (8)
Double-Bar Lock (80)
Pull Catch (20)
Quarter Turn (393)
Screw (253)
Enclosure Lock Type
Keylocking (221)
Padlocking (222)
Sold Separately (109)
Enclosure Door Type
Glass (96)
Solid (1378)
Window (82)
Enclosure Number of Doors
1 Door (1471)
2 Door (204)
3 Door (8)
4 Door (8)
5 Door (8)
Enclosure Environment Rating
Indoor (446)
Outdoor-Indoor (558)
Enclosure Mount Type
Floor Mount (57)
Free-Standing (282)
Wall Mount (1074)
Enclosure Interior Color
Gray (522)
White (281)
Freestanding Enclosure Base Type
Pad Mount (10)
Enclosure Gland Plate
Standard (243)
Without Gland Plate (47)
Enclosure Impact Rating
IK07 (1)
IK08 (41)
IK10 (168)
Enclosure Mounting Plate
Plain Steel (92)
Without Mounting Plate (198)
Line
CONCEPT (327)
Global IEC (109)
Inline (35)
JB (58)
MAP (8)
MCD (77)
MCI (14)
MCM (2)
MCS (68)
MKD (30)
Normally In Stock
nVent Hoffman CSD24168 CONCEPT Steel Enclosure
Free U.S Ground shipping
$601.42
$501.18
Normally In Stock
nVent Hoffman CSD202012 CONCEPT Steel Enclosure
Free U.S Ground shipping
$680.58
$567.15
Normally In Stock
nVent Hoffman CSD363012 CONCEPT Steel Enclosure
$1005.26
$837.72
Normally In Stock
nVent Hoffman CSD242410 CONCEPT Steel Enclosure
Free U.S Ground shipping
$708.91
$590.76
Normally In Stock
nVent Hoffman CSD242412 CONCEPT Steel Enclosure
Free U.S Ground shipping
$758.64
$632.20
Normally In Stock
nVent Hoffman CSD242420 CONCEPT Steel Enclosure
$1165.00
$970.83
Normally In Stock
nVent Hoffman A302408LP Steel Enclosure
$958.48
$798.73
Normally In Stock
nVent Hoffman CSD20166W CONCEPT Window Steel Enclosure
Free U.S Ground shipping
$907.40
$756.17
Normally In Stock
nVent Hoffman A24R208HCLO Steel Enclosure Junction Box
Free U.S Ground shipping
$511.58
$426.32
Normally In Stock
nVent Hoffman A12064CH Steel Enclosure Junction Box
Free U.S Ground shipping
$189.24
$157.70
Normally In Stock
nVent Hoffman CSD363612 CONCEPT Steel Enclosure
$1408.46
$1173.72
Normally In Stock
nVent Hoffman A242010LP Steel Enclosure
Free U.S Ground shipping
$844.61
$703.84
Normally In Stock
nVent Hoffman A201608LP Steel Enclosure
Free U.S Ground shipping
$689.83
$574.86
Normally In Stock
nVent Hoffman CSD24208 CONCEPT Steel Enclosure
Free U.S Ground shipping
$645.44
$537.87
Normally In Stock
nVent Hoffman CSD30168 CONCEPT Steel Enclosure
$811.62
$676.35
Normally In Stock
nVent Hoffman CSD303012 CONCEPT Steel Enclosure
$1131.23
$942.69
Normally In Stock
nVent Hoffman CSD363010 CONCEPT Steel Enclosure
$1157.77
$964.81
Normally In Stock
nVent Hoffman A1212CHNF Steel Enclosure Junction Box
Free U.S Ground shipping
$323.10
$269.25
Normally In Stock
nVent Hoffman A20R208HCLO Steel Enclosure Junction Box
Free U.S Ground shipping
$442.37
$368.64
Normally In Stock
nVent Hoffman A727224FSD Steel Enclosure
$7022.42
$5852.02
Normally In Stock
nVent Hoffman CTD244210 CONCEPT Steel Enclosure
$1533.56
$1277.97
Normally In Stock
nVent Hoffman A423010LP Steel Enclosure
$1587.02
$1322.52
Normally In Stock
nVent Hoffman CSD12126ST CONCEPT Slope Top Steel Enclosure
Free U.S Ground shipping
$637.56
$531.30
Normally In Stock
nVent Hoffman A606CH Steel Enclosure Junction Box
Free U.S Ground shipping
$140.75
$117.29
Normally In Stock
nVent Hoffman A10086CHNF Steel Enclosure Junction Box
Free U.S Ground shipping
$278.93
$232.44
Normally In Stock
nVent Hoffman CSD303010 CONCEPT Steel Enclosure
$1052.66
$877.22
Normally In Stock
nVent Hoffman CSD20208 CONCEPT Steel Enclosure
Free U.S Ground shipping
$606.23
$505.19
Normally In Stock
nVent Hoffman CSD12126 CONCEPT Steel Enclosure
Free U.S Ground shipping
$448.86
$374.05
Normally In Stock
nVent Hoffman CSD20168 CONCEPT Steel Enclosure
Free U.S Ground shipping
$565.72
$471.43
Normally In Stock
nVent Hoffman CSD483610 CONCEPT Steel Enclosure
$1565.65
$1304.71
Normally In Stock
nVent Hoffman A363012LP Steel Enclosure
$1484.76
$1237.30
Normally In Stock
nVent Hoffman CSD12106 CONCEPT Steel Enclosure
Free U.S Ground shipping
$515.35
$429.46
Normally In Stock
nVent Hoffman CSD12126LG CONCEPT Steel Enclosure Lt Gray
Free U.S Ground shipping
$526.63
$438.86
Normally In Stock
nVent Hoffman CSD20128 CONCEPT Steel Enclosure
Free U.S Ground shipping
$673.49
$561.24
Normally In Stock
nVent Hoffman A363010LP Steel Enclosure
$1414.43
$1178.69
Normally In Stock
nVent Hoffman CSD202010 CONCEPT Steel Enclosure
Free U.S Ground shipping
$620.60
$517.17
Normally In Stock
nVent Hoffman CSD363016 CONCEPT Steel Enclosure
$1400.10
$1166.75
Normally In Stock
nVent Hoffman CSD16128 CONCEPT Steel Enclosure
Free U.S Ground shipping
$497.39
$414.49
Normally In Stock
nVent Hoffman A1212CH Steel Enclosure Junction Box
Free U.S Ground shipping
$259.82
$216.52
Normally In Stock
nVent Hoffman A161410CH Steel Enclosure Junction Box
Free U.S Ground shipping
$379.62
$316.35
Normally In Stock
nVent Hoffman A808CH Steel Enclosure Junction Box
Free U.S Ground shipping
$165.78
$138.15
Normally In Stock
nVent Hoffman A12R126HCLO Steel Enclosure Junction Box
Free U.S Ground shipping
$202.26
$168.55
Normally In Stock
nVent Hoffman A14086CHFL Steel Enclosure Junction Box
Free U.S Ground shipping
$400.60
$333.83

FAQs

Q: What are the benefits of using steel enclosures?
Steel enclosures are strong, affordable, and durable, providing excellent protection from impact, vibration, and physical damage in industrial environments.

Q: How do galvanized steel enclosures resist corrosion?
They feature a zinc-coated finish that protects the enclosure from rust and oxidation, making them ideal for outdoor and high-humidity environments.

Q: Are steel enclosures suitable for outdoor use?
Yes. Galvanized or powder-coated steel enclosures with proper sealing are excellent for outdoor use, protecting against water and debris ingress.

Q: What’s the difference between steel and stainless steel enclosures?
Steel enclosures are more cost-effective and ideal for stable indoor environments, while stainless steel enclosures offer superior corrosion resistance for harsh or sanitary conditions.

Q: Which brands of steel enclosures does RSP Supply offer?
RSP Supply carries steel enclosures from nVent Hoffman, Rittal, and Schneider Electric, known for quality, reliability, and compliance with global standards.

Why Buy from RSP Supply

At RSP Supply, we stock a wide range of steel enclosures and junction boxes designed to meet industrial and commercial needs. Our selection includes models from industry-leading brands, backed by expert technical support and fast shipping.

We make it easy to find enclosures that meet your project’s exact specifications, ensuring compliance, durability, and long-term performance. Trust RSP Supply for reliable electrical protection solutions that keep your systems secure and your operations running smoothly.