nVent A18184SU - Screw-Cover Pull Box Extender Type 1, fits 18.00x18.00, Gray, Steel
nVent

A18184SU

UPC: 783510301569


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Installation Instructions

Contact for Pricing

Overview

The nVent Screw-Cover Pull Box Extender Type 1 (SKU: A18184SU) expands wiring capacity for 18x18 inch Type 1 pull boxes without custom fabrication. Constructed from 16-gauge mild or galvanized steel, it features an ANSI 61 gray polyester powder paint finish for corrosion resistance. This extender meets UL 50/50E and cUL Listed standards, complying with NEMA/EEMAC Type 1 and IEC 60529 IP30 requirements. Unique keyhole screw slots enable rapid installation, reducing labor by up to 50% compared to custom solutions. Plated steel screws are included, and it maintains grounding continuity between the main enclosure and extender. Compatible with Type 1 pull box accessories such as flush covers and door frames, it is ideal for commercial buildings, manufacturing facilities, and data centers requiring additional wire management space. Applications include accommodating increased cable density, retrofitting older systems, and creating dedicated compartments for branch circuits. Made in the USA.
  • Unique keyhole screw slots for easy installation
  • Plated steel screws included to mount to pull box
  • Compatible with Type 1 Pull Box accessories
  • Maintains grounding between main enclosure and extender
  • Extenders are finished with paint over plated surfaces

Specifications

Application
Power Distribution
Color
Gray
Color Code
ANSI 61
Depth
4 in
Depth
13 IN
Depth, Maximum
4
Depth, Minimum
4
Finish
Painted
Finish
Powder Coated
Height
18 IN
Height
44 IN
IP Rating
IP30
Material
Mild Steel
Material
Steel
Mounting Type
Screw-Cover Mounting
NEMA Rating
1
NEMA Rating
Type 1
Protection Rating
NEMA Type 1
Series
nVent Screw-Cover Pull Box Extender
Size
18x18x4 inches
Style
Painted
Thickness
16 ga
Thickness
51.40mm (2.024")
Type
General Accessories
Type
Commercial Accessories
Weight
6.9 lb
Width
457 mm
Width
18 IN
Works With
NEMA
Package Dimensions (L x W x H)
19.9 IN x 18.9 IN x 4.4 IN
Package Dimensions (L x W x H)
50.546 cm x 48.006 cm x 11.176 cm
Package Weight (Imperial)
6.900 L
Package Weight (Metric)
3.130 kg
Screw-Cover Enclosure Type 1 no Knockouts, 18x18x4, Gray, Steel

ASE18X18X4NK

Screw-Cover Enclosure Type 1 no Knockouts, 18x18x4, 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 A18184SU Controller

This guide provides step-by-step instructions for installing and configuring the A18184SU Controller.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Mount the controller

    Secure the A18184SU 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 strippers, prepare the power supply wires and connect them to the appropriate terminals on the controller. Ensure the connections are tight and secure.

  3. Verify connections

    Use a multimeter to check the voltage at the power terminals to ensure proper voltage is supplied to the controller. If the voltage is not within the specified range, recheck your connections.

  4. Configure the controller settings

    Access the controller's configuration interface and input the necessary parameters as per your application requirements. Save the settings before exiting.

  5. Calibrate the controller

    Follow the calibration procedure outlined in the user 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.