nVent A24244SU - Screw-Cover Pull Box Extender Type 1, fits 24.00x24.00, Gray, Steel
nVent

A24244SU

UPC: 783510301644


Documents & Media
Installation Instructions

Contact for Pricing

Overview

The nVent Screw-Cover Pull Box Extender Type 1 (SKU: A24244SU) is a premium steel solution designed to expand wiring capacity in commercial and industrial pull box installations. Engineered for seamless integration with standard 24.00x24.00 pull boxes, this gray-painted extender eliminates the need for costly custom-fabricated boxes while providing additional conduit entry and exit points. Its Type 1 design ensures compatibility with existing hardware, cover patterns, and mounting configurations, making it a versatile upgrade for both new construction and retrofit projects. This extender is constructed from durable steel with a corrosion-resistant gray powder coat finish, ensuring long-term performance in demanding environments. The 4-inch depth provides significant additional wiring space, reducing congestion and simplifying cable management in applications where space constraints or complex routing are common. Unlike traditional solutions that require welding or custom fabrication, the nVent extender installs in minutes by simply sliding onto the existing pull box and securing with standard hardware—no specialized tools or training required. Typical applications span a wide range of industries, including commercial buildings, data centers, manufacturing facilities, and utility installations where NEC-compliant pull boxes are mandated. Electrical contractors and engineers specify this extender to: - **Streamline installations** by avoiding custom box fabrication and associated lead times - **Enhance system flexibility** with additional conduit entries for future expansions or reconfigurations - **Improve safety compliance** by maintaining proper fill ratios and reducing cable strain - **Lower total project costs** through reduced labor and material expenses compared to custom solutions - **Simplify maintenance** with a removable cover that provides easy access to conductors nVent’s reputation for engineering reliable electrical infrastructure solutions makes the Screw-Cover Pull Box Extender a trusted choice among professionals. The product’s design aligns with industry standards for pull boxes (UL 50, NEMA standards) and is backed by nVent’s commitment to quality and innovation. Whether upgrading an existing installation or planning a new project, this extender delivers a practical, code-compliant solution that saves time, reduces costs, and ensures long-term reliability in critical electrical systems.
  • 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
13 IN
Depth
4 in
Depth, Maximum
4
Depth, Minimum
4
Finish
Powder Coated
Finish
Painted
Height
24 in
Height
44 IN
Material
Mild Steel
Material
Steel
Mounting Type
Sliding onto existing pull box
NEMA Rating
1
NEMA Rating
Type 1
Protection Rating
NEMA Type 1
Size
24.00x24.00x4
Style
Painted
Thickness
16 ga
Thickness
51.40mm (2.024")
Type
General Accessories
Type
Commercial Accessories
Weight
9.9 lb
Width
610 mm
Width
24 IN
Works With
NEMA
Package Dimensions (L x W x H)
24.9 IN x 24.3 IN x 4.4 IN
Package Dimensions (L x W x H)
63.246 cm x 61.722 cm x 11.176 cm
Package Weight (Imperial)
9.900 L
Package Weight (Metric)
4.491 kg
Screw-Cover Pull Box Extender Type 1, fits 30.00x24.00, Gray, Steel

A30244SU

Screw-Cover Pull Box Extender Type 1, fits 30.00x24.00, 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 A24244SU Controller

This guide provides step-by-step instructions for installing and configuring the A24244SU Controller on a DIN rail.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Mount the controller

    Secure the A24244SU controller to the DIN rail using the integrated clips. Ensure the controller is level and firmly attached.

  2. Connect the power supply

    Use wire strippers to prepare the power supply wires. Connect the positive and negative wires to the designated terminals on the controller, ensuring a secure fit.

  3. Verify connections

    Use a multimeter to check the voltage at the power terminals. Ensure the voltage matches the specifications outlined in the controller's manual before proceeding.

  4. Configure the controller settings

    Access the configuration menu on the controller using the provided interface. Set the necessary parameters as per your application requirements.

  5. Calibrate the controller

    Follow the calibration procedure in the manual to ensure accurate readings and performance. Make adjustments as necessary based on the calibration results.

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.