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About Electrical Enclosures
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Select the right electrical enclosure for your environment and the accessories you'll need to get it mounted and connected.
EMI/RFI-Shielding Enclosures
 |  |
Lift-Off Cover | Hinged Cover |
Combat flickering monitors, interrupted data signals, and annoying radio noise. These enclosures reduce electromagnetic interference (EMI) and radio frequency interference (RFI) from equipment such as motors and generators. All have a woven steel gasket for continuous EMI/RFI shielding at the seam between the two halves of the enclosure. Use them to protect motor controls, power supplies, and wiring while also containing any EMI/RFI generated inside. They also seal out dust, water, oil, and coolant spray.
Lift-Off Cover—The removable, screw-secured cover is best for full access during setup or service, but not for frequent entry.
Hinged Cover—The cover swings open for fast, frequent access and remains attached to prevent drops or loss.
Aluminum—These enclosures block medium-range frequency interference in most applications. They won't rust as quickly as zinc-plated steel when exposed to moisture. However, they are not as strong as steel.
Zinc-Plated Steel—These enclosures block 10 times more interference than aluminum, making them best for protecting sensitive components and precision measuring equipment. Inherently strong, they resist denting and cracking better than aluminum. Their plating adds a layer of rust protection against occasional exposure to moisture, but they aren't as corrosion resistant as aluminum.
Interference Reduction @ Frequency—The amount of EMI/RFI an enclosure blocks at specific frequencies. Also known as attenuation.
Enclosures | Panels | Brackets | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Wd. | Ht. | Dp. | Interference Reduction @ Freq. | Cover Closure Method | With Knockouts | Enclosure Rating | External Mount Type | Color | Each | Each | Pkg. Qty. | Pkg. | |||||
Lift-Off Cover | |||||||||||||||||
Aluminum | |||||||||||||||||
| 3 3/4" | 3 3/4" | 1 3/4" | 70 dB @ 1 GHz | Screw | No | NEMA 4X, NEMA 13, IP67 | Mounting Hole | Gray | 4270N11 | 000000 | 7847K31 | 00000 | 4 | 4270N71 | 00000 | ||
| 3 3/4" | 3 3/4" | 2 3/4" | 70 dB @ 1 GHz | Screw | No | NEMA 4X, NEMA 13, IP67 | Mounting Hole | Gray | 4270N12 | 00000 | 7847K31 | 0000 | 4 | 4270N71 | 0000 | ||
| 3 3/4" | 7 1/2" | 1 3/4" | 70 dB @ 1 GHz | Screw | No | NEMA 4X, NEMA 13, IP67 | Mounting Hole | Gray | 4270N13 | 00000 | 7847K32 | 0000 | 4 | 4270N71 | 0000 | ||
| 3 3/4" | 7 1/2" | 2 3/4" | 70 dB @ 1 GHz | Screw | No | NEMA 4X, NEMA 13, IP67 | Mounting Hole | Gray | 4270N14 | 00000 | 7847K32 | 0000 | 4 | 4270N71 | 0000 | ||
| 4" | 6" | 2" | 70 dB @ 1 GHz | Screw | No | NEMA 4X, NEMA 13, IP67 | Mounting Hole | Gray | 4270N17 | 00000 | 7847K34 | 0000 | 4 | 4270N71 | 0000 | ||
| 4" | 6" | 3" | 70 dB @ 1 GHz | Screw | No | NEMA 4X, NEMA 13, IP67 | Mounting Hole | Gray | 4270N18 | 00000 | 7847K34 | 0000 | 4 | 4270N71 | 0000 | ||
| 4 1/2" | 6" | 1 1/4" | 70 dB @ 1 GHz | Screw | No | NEMA 4X, NEMA 13, IP67 | Mounting Hole | Gray | 4270N23 | 00000 | 7847K36 | 0000 | 4 | 4270N71 | 0000 | ||
| 4 1/2" | 6" | 2 1/4" | 70 dB @ 1 GHz | Screw | No | NEMA 4X, NEMA 13, IP67 | Mounting Hole | Gray | 4270N24 | 00000 | 7847K36 | 0000 | 4 | 4270N71 | 0000 | ||
| 5 1/2" | 8" | 2 1/4" | 70 dB @ 1 GHz | Screw | No | NEMA 4X, NEMA 13, IP67 | Mounting Hole | Gray | 4270N27 | 00000 | 7847K38 | 0000 | 4 | 4270N71 | 0000 | ||
| 5 1/2" | 8" | 3 1/4" | 70 dB @ 1 GHz | Screw | No | NEMA 4X, NEMA 13, IP67 | Mounting Hole | Gray | 4270N28 | 00000 | 7847K38 | 0000 | 4 | 4270N71 | 0000 | ||
| 6" | 8" | 1 1/8" | 70 dB @ 1 GHz | Screw | No | NEMA 4X, NEMA 13, IP67 | Mounting Hole | Gray | 4270N19 | 00000 | ——— | 0 | 4 | 4270N71 | 0000 | ||
| 6" | 8" | 2" | 70 dB @ 1 GHz | Screw | No | NEMA 4X, NEMA 13, IP67 | Mounting Hole | Gray | 4270N21 | 00000 | 7847K35 | 0000 | 4 | 4270N71 | 0000 | ||
| 6" | 8" | 3" | 70 dB @ 1 GHz | Screw | No | NEMA 4X, NEMA 13, IP67 | Mounting Hole | Gray | 4270N22 | 00000 | 7847K35 | 0000 | 4 | 4270N71 | 0000 | ||
| 6 1/2" | 6 1/2" | 2 1/4" | 70 dB @ 1 GHz | Screw | No | NEMA 4X, NEMA 13, IP67 | Mounting Hole | Gray | 4270N25 | 00000 | 7847K37 | 0000 | 4 | 4270N71 | 0000 | ||
| 6 1/2" | 6 1/2" | 3 1/4" | 70 dB @ 1 GHz | Screw | No | NEMA 4X, NEMA 13, IP67 | Mounting Hole | Gray | 4270N26 | 00000 | 7847K37 | 0000 | 4 | 4270N71 | 0000 | ||
| 7" | 11" | 2 3/4" | 70 dB @ 1 GHz | Screw | No | NEMA 4X, NEMA 13, IP67 | Mounting Hole | Gray | 4270N15 | 00000 | 7847K33 | 0000 | 4 | 4270N71 | 0000 | ||
| 7" | 11" | 4" | 70 dB @ 1 GHz | Screw | No | NEMA 4X, NEMA 13, IP65 | Mounting Hole | Gray | 4270N16 | 00000 | 7847K33 | 0000 | 4 | 4270N71 | 0000 | ||
| 7 1/2" | 10" | 2 1/4" | 70 dB @ 1 GHz | Screw | No | NEMA 4X, NEMA 13, IP67 | Mounting Hole | Gray | 4270N29 | 00000 | 7847K39 | 0000 | 4 | 4270N71 | 0000 | ||
| 7 1/2" | 10" | 3 3/4" | 70 dB @ 1 GHz | Screw | No | NEMA 4X, NEMA 13, IP67 | Mounting Hole | Gray | 4270N31 | 00000 | 7847K39 | 0000 | 4 | 4270N71 | 0000 | ||
Hinged Cover | |||||||||||||||||
Zinc-Plated Steel | |||||||||||||||||
| 10" | 12" | 5" | 80 dB @ 1 GHz | Screw-Down Clamp | No | NEMA 13 | Mounting Hole | Gray | 7816K25 | 000000 | 7847K25 | 00000 | — | ——— | 0 | ||
| 12" | 14" | 6" | 80 dB @ 1 GHz | Screw-Down Clamp | No | NEMA 13 | Mounting Hole | Gray | 7816K26 | 00000000 | 7847K26 | 00000 | — | ——— | 0 | ||
| 14" | 16" | 6" | 80 dB @ 1 GHz | Screw-Down Clamp | No | NEMA 13 | Mounting Hole | Gray | 7816K27 | 00000000 | 7847K27 | 00000 | — | ——— | 0 | ||
EMI/RFI Shielding Electrical Enclosure Vents
 |
These conductive aluminum screens block electromagnetic interference (EMI) and radio frequency interference (RFI) to prevent electrical problems such as radio static and faulty signals. Made of mesh, they let air flow through, so the pressure in your enclosure stays constant as temperatures fluctuate.
Screw through the vent frame to mount on the surface of your enclosure. A shielded foam gasket fills the gap between the enclosure and the vent.
Interference Reduction @ Frequency—Also known as attenuation, interference reduction at frequency measures how much interference is blocked. These vents have high attenuation and work for most applications.
For Opening | Overall | Mounting Holes | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Wd. | Ht. | Wd. | Ht. | Dp. | Interference Reduction @ Freq. | Frame Material | Screen Material | Gasket Material | Mounting Fasteners Included | No. of | Dia. | Each | ||
| 2" | 2" | 3" | 3" | 3/4" | 52 dB @ 1 GHz | Chromate-Conversion-Coated Aluminum | Chromate-Conversion-Coated Aluminum | Polyurethane Foam | No | 4 | 1/4" | 5316N11 | 0000000 | |
| 3" | 3" | 4" | 4" | 3/4" | 52 dB @ 1 GHz | Chromate-Conversion-Coated Aluminum | Chromate-Conversion-Coated Aluminum | Polyurethane Foam | No | 4 | 1/4" | 5316N12 | 000000 | |
| 4" | 4" | 5" | 5" | 3/4" | 52 dB @ 1 GHz | Chromate-Conversion-Coated Aluminum | Chromate-Conversion-Coated Aluminum | Polyurethane Foam | No | 6 | 1/4" | 5316N13 | 000000 | |
| 5" | 5" | 6" | 6" | 3/4" | 52 dB @ 1 GHz | Chromate-Conversion-Coated Aluminum | Chromate-Conversion-Coated Aluminum | Polyurethane Foam | No | 8 | 1/4" | 5316N15 | 000000 | |
| 6" | 4" | 7" | 5" | 3/4" | 52 dB @ 1 GHz | Chromate-Conversion-Coated Aluminum | Chromate-Conversion-Coated Aluminum | Polyurethane Foam | No | 6 | 1/4" | 5316N14 | 000000 | |
