Authorized nVent Distributor
nVent A18R188NK - Screw-Cover Drip-Shield Type 3R no Knockouts, 18x18x8, Gray, Steel

nVent A18R188NK Screw-Cover Drip-Shield Type 3R no Knockouts, 18x18x8, Gray, Steel

UPC: 783510135164


Documents & Media
Installation Instructions

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The nVent A18R188NK is a 18x18x8 inch Type 3R steel enclosure designed for outdoor industrial applications. This screw-cover drip-shield enclosure provides superior protection against rain, sleet, snow, and dripping water, meeting NEMA Type 3R standards. Constructed from 16-gauge steel with a durable gray finish, it offers long-term resistance to corrosion and physical damage. The enclosure features a secure screw-cover design with four cover screws for tamper-resistant access and easy maintenance. The Type 3R rating ensures reliable performance in outdoor environments where protection from environmental ingress is critical. This enclosure is ideal for telecommunications, utilities, manufacturing, and building automation systems requiring robust outdoor electrical protection. Its wall or surface mount capability simplifies installation while the absence of knockouts allows for customized conduit and cable entry points.
  • 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
13 IN
Depth
8 in
Depth, Maximum
8
Depth, Minimum
8
Door Thickness
14 ga
Door Thickness
16 ga
Finish
Galvanized
Height
18 IN
Height
44 IN
IP Rating
IP32
Knockouts
False
Knockouts Included
No
Material
Steel
Material
Mild Steel;Steel
Modification Services
Yes
Mounting
Wall Mounting Brackets Available
Mounting
28;330 mm;mm
Mounting
1.12;13 in;in
NEMA Rating
3r
NEMA Rating
NEMA 6
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
25.5 lb
Width
18 IN
Width
457 mm
Width
457
Package Dimensions (L x W x H)
20.9 IN x 20.5 IN x 9 IN
Package Dimensions (L x W x H)
53.086 cm x 52.07 cm x 22.86 cm
Package Weight (Imperial)
25.500 L
Package Weight (Metric)
11.567 kg
Screw-Cover Drip-Shield Type 3R With Knockouts, 18x18x8, Gray, Steel

A18R188

Screw-Cover Drip-Shield Type 3R With 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)
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Frequently Asked Questions

How many cover screws does the enclosure have?

The enclosure features four cover screws for secure closure.

Does this enclosure have pre-punched knockouts?

No, this enclosure has no knockouts, allowing for custom entry points.

What is the NEMA rating for this enclosure?

The enclosure meets NEMA Type 3R standards for protection against rain, sleet, snow, and dripping water.

How to Install the A18R188NK Controller

This guide provides step-by-step instructions for mounting and wiring the A18R188NK Controller securely.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Mount the controller

    Secure the A18R188NK controller to the designated mounting surface using the provided mounting screws. Ensure it is level and firmly attached.

  2. Connect the wiring

    Use wire strippers to prepare the wires, then connect them to the terminal connectors on the controller. Ensure all connections are tight and secure.

  3. Verify connections

    Utilize a multimeter to check the voltage and continuity of the connections. Ensure that all readings are within the specified range to confirm proper installation.

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.