nVent A18R184 - Screw-Cover Drip-Shield Type 3R With Knockouts, 18x18x4, Gray, Steel
nVent

A18R184

UPC: 783510379704


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Overview

The nVent A18R184 is a robust 18x18x4 inch Type 3R screw-cover enclosure designed for demanding outdoor electrical applications. Constructed from 16 or 14 gauge galvanized steel, it features a durable ANSI 61 gray polyester powder paint finish for superior corrosion resistance. This enclosure is engineered to protect controls, wiring, and junction points from falling dirt, dripping water, rain, sleet, and snow. Its key design elements include a drip-shield top for enhanced weather protection and seam-free sides, front, and back to prevent ingress. The slip-on removable cover is secured with plated steel screws along the bottom edge, allowing for easy access while maintaining environmental integrity. For straightforward installation, the enclosure body has embossed mounting holes on the back, enabling direct mounting to a strut or mounting surface without requiring a vertical structure. The nVent A18R184 meets stringent industry standards, holding UL 50, 50E Listed; Type 3R and cUL Listed per CSA C22.2 No 94; Type 3R certifications. It also complies with NEMA/EEMAC Type 3R and IEC 60529, IP32 ratings, ensuring reliable performance in outdoor environments. This enclosure is an ideal solution for junction boxes, pull boxes, and control protection in various outdoor horizontal mounting applications.
  • 18x18x4 inch dimensions suitable for junction and wiring applications.
  • Constructed from 16 or 14 gauge galvanized steel for durability.
  • ANSI 61 gray polyester powder paint finish for corrosion resistance.
  • Type 3R rating provides protection against falling dirt and dripping water.
  • Drip-shield top and seam-free construction for enhanced environmental sealing.
  • Provision for padlocking
  • No gasketing
  • Enclosures are finished with paint over plated surfaces
  • Top and bottom thickness gauge is the same as the body thickness gauge unless otherwise noted in table

Specifications

Application
Power Distribution
Body Style
B
Body Thickness
16 ga
Color
Gray
Color Code
ANSI 61
Depth
13 IN
Depth
4 in
Depth, Maximum
4
Depth, Minimum
4
Door Thickness
14 ga
Door Thickness
16 ga
Finish
Galvanized
Height
18 IN
Height
44.00 IN
IP Rating
IP32
Knockout Pattern
A-B-C-D-E-F-G-H-I
Knockouts
True
Knockouts Included
Yes
Material
Steel
Material
Mild Steel;Steel
Modification Services
Yes
Mounting
Wall Mounting Brackets Available
Mounting
1.12;13 in;in
Mounting
28;330 mm;mm
Mounting Type
Wall-mount
NEMA Rating
Type 3R
NEMA Rating
NEMA 6
NEMA Rating
3r
Protection Rating
NEMA Type 3R
Size
18x18x4
Size
18.00x18.00x4.00 in
Type
Pull and Junction Boxes
Type
Screw-Cover Junction Boxes Type 3R
Type Number
Type 3R
Weight
20 lb
Width
18 IN
Width
457 mm
Package Dimensions (L x W x H)
19 IN x 18.5 IN x 4.75 IN
Package Dimensions (L x W x H)
48.26 cm x 46.99 cm x 12.065 cm
Package Weight (Imperial)
20.000 L
Package Weight (Metric)
9.072 kg
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Frequently Asked Questions about nVent

What industries and applications are nVent products used for?

nVent products are engineered for critical infrastructure and industrial applications across multiple demanding sectors. Key markets include Construction, Data Centers, Defense, Healthcare, Mining, Oil & Gas Refineries, Power Plants, Rail/Transit, Renewable Energy, Security, Ship Building, Steel Mills, Telecom, and Utilities. Their solutions are designed to withstand extreme environmental conditions, with temperature ranges from -55°C to 105°C and specialized features like UV resistance, oil resistance, and flame resistance.

What environmental ratings do nVent products have?

nVent enclosures feature comprehensive environmental ratings, including UL 508A, CSA, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications. They are rated IEC 60529 IP66, providing robust protection against dust, water, and corrosion in both indoor and outdoor environments. These products operate effectively in temperatures ranging from -40°F to 266°F, with enhanced UV inhibitors for outdoor weathering and oil-resistant gaskets for superior sealing.

What accessories are available for nVent products?

nVent offers a comprehensive range of accessories across multiple product lines, including EMC accessories like bonding cable clamps and strain reliefs, inline accessories such as lock inserts and mounting brackets, CONCEPT accessories including panel conversion kits and rack-mount angles, and seismic accessories for specialized mounting requirements. Key accessory categories include grounding kits, DIN rail mounting solutions, panel supports, handles, and various mounting hardware compatible with different enclosure types.

What certifications and standards do nVent products comply with?

nVent products meet critical international certifications including UL (United States), CSA (Canada), CE (European Community), and EAC (Russia). Our products are designed to comply with rigorous industrial standards such as NEMA enclosure ratings, IEC 60529 IP ratings, and international safety standards across multiple industrial markets including oil & gas, power, manufacturing, and infrastructure.

What is nVent's warranty policy?

nVent offers a standard 18-month warranty from invoicing date for most automation products, covering defects in workmanship and materials. The warranty requires proper transportation, handling, storage, and installation within specified environmental conditions. Warranty coverage includes repair or replacement at nVent's discretion, with certain conditions such as authorized service repairs and operation within designed capacity limits.

What technical support does nVent offer?

nVent offers comprehensive technical support through multiple global contact centers across North America, South America, Europe, Middle East, India, and Asia. Customers can reach technical experts by phone at regional numbers, with the North American headquarters in Minneapolis, MN providing primary support at +1.763.421.2240. Additionally, nVent provides online support resources through their website, including CAD drawing downloads and an 'Ask The Expert' feature to assist with product technical inquiries.