nVent A18R128 - Screw-Cover Drip-Shield Type 3R With Knockouts, 18x12x8, Gray, Steel
nVent

A18R128

UPC: 783510385507


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Installation Instructions

Contact for Pricing

Overview

The **nVent Screw-Cover Drip-Shield Type 3R Enclosure (SKU: A18R128)** is a robust, corrosion-resistant steel junction box designed to safeguard electrical controls and wiring systems in demanding outdoor environments. Engineered by nVent, a global leader in electrical and thermal management solutions, this enclosure delivers reliable protection against rain, sleet, snow, and dripping water while maintaining compliance with NEMA 3R and Type 3R standards. With its 18x12x8-inch dimensions and gray powder-coated steel construction, it provides ample space for terminal blocks, splices, or control components while resisting harsh weather conditions common in industrial, commercial, and utility applications. This enclosure is ideal for outdoor installations where exposure to moisture is a constant concern. Its screw-cover design ensures a secure seal, preventing water ingress while allowing easy access for maintenance or reconfiguration. The inclusion of knockouts facilitates clean cable entry and exit points, streamlining installation in field applications. Professionals across industries such as manufacturing, telecommunications, renewable energy, and transportation rely on Type 3R enclosures like this to protect critical infrastructure from environmental hazards without compromising accessibility. Key features of the nVent A18R128 include: - **NEMA 3R and Type 3R rated** for outdoor use, providing protection against falling rain, sleet, and snow. - **18x12x8-inch dimensions** offer generous internal space for complex wiring configurations or control panels. - **Gray powder-coated steel construction** ensures durability and corrosion resistance in outdoor environments. - **Screw-cover design** with a secure latch for tamper resistance and easy access during inspections or upgrades. - **Pre-punched knockouts** for flexible cable entry points, reducing installation time and ensuring a clean fit for conduits or cables. - **UL-listed** for safety and compliance with industry standards, giving engineers and contractors confidence in its performance. Installation of the nVent A18R128 is straightforward, with multiple mounting options including surface or wall mounting. The enclosure’s design accommodates standard hardware, and its compact yet spacious interior simplifies the organization of wiring and components. For professionals working in industrial facilities, data centers, or utility substations, this enclosure provides a cost-effective solution to extend the lifespan of electrical systems while minimizing downtime due to weather-related failures. nVent’s reputation for engineering high-quality electrical protection products makes the A18R128 a trusted choice for projects requiring durability and compliance. Whether deployed in coastal regions with high salt exposure, arid climates with intense UV radiation, or cold environments prone to freeze-thaw cycles, this enclosure delivers consistent performance. Its compatibility with a wide range of accessories, such as gaskets, mounting brackets, and conduit fittings, further enhances its versatility across applications. For engineers, electricians, and project managers specifying outdoor enclosures, the nVent Screw-Cover Drip-Shield Type 3R Enclosure (A18R128) represents a balance of strength, functionality, and ease of use. By choosing this enclosure, you invest in a solution that protects your electrical infrastructure today and adapts to future needs with minimal maintenance. Trust nVent to deliver the reliability your projects demand, even in the most challenging conditions.
  • 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
A
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
44 IN
Height
18 IN
IP Rating
IP32
Knockout Pattern
C-D-E-F-G
Knockouts
True
Knockouts Included
Yes
Material
Mild Steel;Steel
Material
Steel
Modification Services
Yes
Mounting
1.12;2.25 in;in
Mounting
Wall Mounting Brackets Available
Mounting
28;57 mm;mm
Mounting Type
Wall-mount or Surface-mount
NEMA Rating
3r
NEMA Rating
NEMA 6
NEMA Rating
Type 3R
Protection Rating
NEMA Type 3R
Series
Screw-Cover Drip-Shield
Size
18" x 12" x 8"
Size
18.00x12.00x8.00 in
Type
Pull and Junction Boxes
Type
Screw-Cover Junction Boxes Type 3R
Type Number
Type 3R
Weight
19 lb
Width
305 mm
Width
12 IN
Package Dimensions (L x W x H)
19.75 IN x 12.75 IN x 9.75 IN
Package Dimensions (L x W x H)
50.165 cm x 32.385 cm x 24.765 cm
Package Weight (Imperial)
19.000 L
Package Weight (Metric)
8.618 kg
Screw-Cover Drip-Shield Type 3R With Knockouts, 16x12x6, Gray, Steel

A16R126

Screw-Cover Drip-Shield Type 3R With Knockouts, 16x12x6, Gray, Steel
SURFACE-MOUNTED BOX, SIZE 1/4

41384S-B

SURFACE-MOUNTED BOX, SIZE 1/4

How to Install the A24R208NK Controller

This guide provides step-by-step instructions for installing and configuring the A24R208NK Controller.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Wire connectors

  1. Mount the controller

    Secure the A24R208NK controller to the designated mounting surface using the provided mounting screws. Ensure it is level and firmly attached.

  2. Connect the power supply

    Using wire connectors, connect the power supply wires to the designated terminals on the controller. Ensure that the connections are secure and insulated.

  3. Verify the connections

    Use a multimeter to check the voltage at the power terminals to ensure the controller is receiving the correct voltage as specified in the manual.

  4. Configure the controller settings

    Access the controller's configuration menu using the interface. Set the desired parameters according to your application requirements.

  5. Calibrate the controller

    Follow the calibration procedure outlined in the manual to ensure the controller operates accurately. This may involve adjusting settings based on feedback from connected sensors.

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.