nVent A18R188 - Screw-Cover Drip-Shield Type 3R With Knockouts, 18x18x8, Gray, Steel
nVent

A18R188

UPC: 783510385705

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Installation Instructions

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Overview

The nVent A18R188 Screw-Cover Drip-Shield Enclosure, with its robust steel construction and 18x18x8 inch dimensions, is engineered to provide superior protection for electrical controls and wiring in demanding outdoor environments. Designed to meet the stringent requirements of Type 3R NEMA rating, this enclosure effectively shields sensitive equipment from the ingress of rain, sleet, snow, and dripping water, ensuring operational reliability and longevity. This enclosure serves as a critical junction or wiring box, safeguarding essential control systems that power industrial machinery, communication equipment, and other vital infrastructure exposed to the elements. Its drip-shield design, combined with a secure screw-cover mechanism, offers an additional layer of defense against water penetration, a common cause of electrical failures and costly downtime. The gray, powder-coated finish enhances its resistance to corrosion and UV degradation, making it an ideal choice for long-term outdoor installations. Key features and benefits of the nVent A18R188 include: * **Durable Steel Construction:** Built from high-quality steel for exceptional strength and impact resistance, protecting internal components from physical damage. * **Type 3R NEMA Rating:** Guarantees protection against falling rain, sleet, snow, and dripping water, crucial for outdoor applications. * **Screw-Cover Design:** Provides a secure and weather-tight seal when properly fastened, preventing moisture and dust ingress. * **Generous 18x18x8 Inch Size:** Offers ample space for housing a variety of control panels, junction boxes, and wiring configurations. * **Pre-punched Knockouts:** Facilitate easy and efficient conduit entry, simplifying installation and reducing labor costs. * **Corrosion-Resistant Finish:** The gray powder coating ensures long-term protection against environmental factors. Professionals in sectors such as utilities, telecommunications, manufacturing, and building automation rely on nVent enclosures for their unwavering performance and ease of installation. The A18R188 is particularly well-suited for applications requiring protection for outdoor control panels, power distribution units, and communication hubs. Its straightforward design with pre-punched knockouts allows for quick setup, minimizing installation time and associated labor expenses. The robust build quality ensures that even in harsh weather conditions, the integrity of the enclosed electrical systems is maintained, preventing costly service interruptions and repairs. When selecting an enclosure for critical outdoor applications, the nVent A18R188 stands out as a reliable, durable, and cost-effective solution, backed by the trusted reputation of nVent for delivering high-performance electrical protection products.
  • Drip shield top and seam-free sides, front, and back protect from rain, snow, or sleet
  • Slip-on removable cover fastened with plated steel screws along bottom edge
  • Handles on larger sizes (see table)
  • Embossed mounting holes on back of enclosure
  • Knockouts in bottom of 16 and 14 gauge enclosures
  • 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
8 in
Depth
13 IN
Depth, Maximum
8
Depth, Minimum
8
Door Thickness
14 ga
Door Thickness
16 ga
Finish
Galvanized
Height
44 IN
Height
18 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
28;330 mm;mm
Mounting
1.12;13 in;in
Mounting
Wall Mounting Brackets Available
NEMA Rating
NEMA 6
NEMA Rating
3r
Protection Rating
NEMA Type 3R
Size
18.00x18.00x8.00 in
Type
Screw-Cover Junction Boxes Type 3R
Type
Pull and Junction Boxes
Type Number
Type 3R
Weight
24.1 lb
Width
18 IN
Width
457 mm
Package Dimensions (L x W x H)
20.75 IN x 20.5 IN x 8.75 IN
Package Dimensions (L x W x H)
52.705 cm x 52.07 cm x 22.225 cm
Package Weight (Imperial)
24.100 L
Package Weight (Metric)
10.932 kg
Screw-Cover Drip-Shield Type 3R no Knockouts, 18x18x8, Gray, Steel

A18R188NK

Screw-Cover Drip-Shield Type 3R no Knockouts, 18x18x8, Gray, Steel
The NEMA 4/4X/12 features a standard padlock-able feature with a single or (2) single point latches depending on the enclosure size. They are galvanealed steel coated. (Padlocks not included)

AB314

The NEMA 4/4X/12 features a standard padlock-able feature with a single or (2) single point latches depending on the enclosure size. They are galvanealed steel coated. (Padlocks not included)

How to Install the A36R3612NK Enclosure

This guide provides step-by-step instructions for installing the A36R3612NK enclosure securely and safely.

Estimated time: 30m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Wire connectors, Padlock staple

  1. Prepare the installation site

    Select a suitable location for the A36R3612NK enclosure, ensuring it is level and accessible for wiring.

  2. Mount the enclosure

    Secure the enclosure to the wall or mounting surface using appropriate mounting screws. Ensure it is firmly attached and level.

  3. Install the padlock staple

    Push the padlock staple through the slot in the bottom of the enclosure from the inside until it snaps in place for added security.

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.