nVent A74BP18G - Universal Barrier Panel for Unibody Free-stand, fits A=74 and C=18, Conductive
nVent

A74BP18G

UPC: 783510384210


Documents & Media
Installation Instructions

Contact for Pricing

Overview

The nVent Galvani Universal Barrier Panel (SKU: A74BP18G) is a Type 1 conductive solution designed to enhance electrical safety in industrial enclosures by creating a physical barrier between high-voltage and low-voltage components. Engineered to fit unibody free-standing or floor-mount enclosures with a centerpost (A=74, C=18 dimensions), this barrier panel minimizes the risk of electrical hazards such as shock or arc flash, protecting personnel and sensitive equipment during maintenance or programming tasks. As a critical component in electrical control and automation systems, the Galvani barrier panel addresses a fundamental safety requirement in modern industrial environments. Electrical enclosures often house a mix of high-voltage power distribution components and low-voltage control systems, creating potential hazards when personnel access the enclosure for adjustments, troubleshooting, or upgrades. The barrier panel effectively segregates these zones, reducing incidental contact with live high-voltage parts while allowing safe access to low-voltage controls, programming interfaces, and other operational equipment. Manufactured by nVent, a global leader in electrical solutions trusted by industries worldwide, the A74BP18G barrier panel is built to meet rigorous safety standards and durability requirements. nVent’s reputation for innovation and reliability ensures that this product delivers consistent performance in demanding applications, from manufacturing plants and data centers to renewable energy installations and infrastructure projects. The conductive design of the panel also supports proper grounding, further enhancing system safety and compliance with electrical codes. Key applications for the nVent Galvani Universal Barrier Panel include: - Industrial automation and control panels - Motor control centers (MCCs) - Power distribution units (PDUs) - Renewable energy systems (solar, wind) - Commercial and institutional electrical rooms Installation is straightforward, with the panel designed to integrate seamlessly into existing unibody enclosures. Professionals can quickly mount the barrier using standard hardware, ensuring minimal downtime during retrofits or new installations. The panel’s modular design also allows for future reconfiguration if enclosure layouts change, providing long-term flexibility. For engineers, electricians, and safety officers tasked with designing or maintaining compliant electrical systems, the nVent A74BP18G barrier panel offers a proven solution to mitigate electrical risks without compromising accessibility or functionality. By prioritizing safety without sacrificing operational efficiency, this product aligns with nVent’s mission to deliver intelligent, reliable electrical solutions for a safer world.
  • Meet UL Type 1 construction requirements when installed in an nVent HOFFMAN enclosure
  • Top and bottom barrier plates included to provide a full-depth separation
  • Main barrier plate has a 6-inch extender to add flexibility when mounting
  • Quick release hinges used to secure the main barrier plate to the top barrier plate to simplify installation
  • Ground stud on the main barrier plate
  • Designed to fit the following bulletins: A21 (excluding CPX enclosures), A28M2, A28MM, A4L3D, A4L3, A4L, A21S4 (excluding CPX enclosures), A28S4, A4S2, A4S3, A4SL
  • Mount to the welded or removable centerpost of an enclosure; the barrier panel cannot be installed in free-stand or floor-mount enclosures without a centerpost
  • Mounting hardware and brackets included

Specifications

Application
Controls and Drives; Power Distribution
Cable Entry
No
Color
Galvanized Unpainted
Finish
Galvanized
Fits Enclosure
74 x 18
Height
66 mm
Height
2.6 in
Material
Mild Steel
Mounting
Mounts to centerpost
NEMA Rating
Type 1
Size
73.80 x 17.80 x 2.60
Thickness
1.9 mm
Thickness
14 ga
Type
Industrial Panels and Panel Accessories
Weight
32.62 lb
Width
452 mm
Width
17.8 in
Works With
NEMA
Package Dimensions (L x W x H)
65.5 IN x 12.25 IN x 3 IN
Package Dimensions (L x W x H)
166.37 cm x 31.115 cm x 7.62 cm
Package Weight (Imperial)
32.620 L
Package Weight (Metric)
14.796 kg
Universal Barrier Panel for Unibody Free-stand, fits A=72 and C=18, Conductive

A72BP18G

Universal Barrier Panel for Unibody Free-stand, fits A=72 and C=18, Conductive
PNLBD 225A 42CT 3PH LUG TSF NE

PL342DL225T1NC

PNLBD 225A 42CT 3PH LUG TSF NE

How to Install the A74BP18G Controller

This guide provides step-by-step instructions for installing and configuring the A74BP18G 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 A74BP18G Controller to the DIN rail using the integrated clips. Ensure the controller is level and firmly attached.

  2. Connect the power supply

    Use terminal connectors to connect the power supply wires to the designated terminals on the controller. Ensure proper polarity to avoid damage.

  3. Verify connections

    Use a multimeter to check the voltage at the power terminals. Ensure it matches the specifications provided in the documentation.

  4. Configure the controller settings

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

  5. Calibrate the controller

    Follow the calibration procedure outlined in the documentation to ensure the controller operates accurately within the specified range.

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.