nVent PLM52G52 - Easy Swap Air Cond Adaptor Plenum M52 to G52, Lt Gray, Steel
nVent

PLM52G52

UPC: 783510262983


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Overview

Upgrade industrial enclosures with the nVent HOFFMAN Easy Swap Adaptor Plenum (PLM52G52). This precision-engineered solution facilitates the transition from legacy M52-series air conditioners to compatible G52-series replacements without costly enclosure modifications. Manufactured by nVent, it preserves NEMA Type 12 integrity and extends enclosure lifespan. Constructed from 18-gauge steel with a light gray finish, the PLM52G52 meets NEMA Type 12 and IP54 ingress protection standards when installed correctly. The plenum design optimizes airflow, preventing restrictions common with flat plate adapters. An included gasket ensures a secure seal against dust and moisture. Specifically engineered for exact cutout and mounting hole patterns of HOFFMAN M52 and G52 series, it guarantees a precise fit. Installation is quick and tool-free, ideal for retrofitting in manufacturing plants, data centers, and telecom facilities. Compatible with HOFFMAN Genesis, T-Series, and Proair air conditioner families. Dimensions are 52.56 x 17.03 x 1.50 inches (1335 x 433 x 38 mm). SKU: PLM52G52. Country of Origin: US.
  • No modification of the enclosure required - designed to match the enclosure cut-out and mounting holes of the air conditioner being replaced
  • Plenum design allows for optimum air flow (vs. a flat plate that can block the air intake and air outtake left by the older air conditioner)
  • Gasket included
  • 18 gauge steel
  • Includes gasket for a secure, dust and moisture-resistant seal.
  • Compatible with HOFFMAN Genesis, T-Series, and Proair air conditioners
  • Quick, tool-free installation reduces downtime and labor costs
  • Manufactured by nVent, a trusted leader in thermal management solutions

Specifications

Air Conditioner Manufacturer to Replace
HOFFMAN/Mclean, Kooltronic, Pfannenberg
Application
Controls and Drives;Power Distribution
Color
Light Gray
Color
Gray
Color
Grey
Color Code
RAL 7035
Depth
1.5 IN
Depth
38 mm
Finish
Powder Coated
Finish
Lt Gray;Powder Coated
Height
52.56 in
Height
1,335 mm
IP Rating
IP54
Material
Steel
Material
Mild Steel
Mounting Type
Tool-free installation
Nema Rating
Type 12
NEMA Rating
12 Indoor, dust-resistant
Product Family
EasySwap
Protection Rating
NEMA Type 12
Series
M52 to G52
Size
52.56 x 17.03 x 1.5 in
Size
52.56 x 17.03 x 1.50 inches (1335 x 433 x 38 mm)
Thickness
51.40mm (2.024")
Thickness
1.21 mm
Thickness
18 ga
Type
Air Conditioners
Weight
17 lb
Width
433 mm
Width
17.03 in
Package Dimensions (L x W x H)
56 IN x 21.75 IN x 2.25 IN
Package Dimensions (L x W x H)
142.24 cm x 55.245 cm x 5.715 cm
Package Weight (Imperial)
17.000 L
Package Weight (Metric)
7.711 kg
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How to Install the PLM52G52 Plenum Adaptor

This guide provides step-by-step instructions for installing the PLM52G52 Plenum Adaptor, including mounting, wiring, and initial setup.

Estimated time: 30m

Tools needed:

Screwdriver, Wire strippers, Torque wrench

Supplies needed:

Mounting screws, Washers, Power cord

  1. Install the gasket

    Place the included gasket onto the designated area of the air conditioner to ensure a proper seal.

  2. Secure the adaptor

    Use the provided screws and washers to secure the plenum adaptor to the air conditioner. Tighten to a torque of 65 in-lbs (7.34 Nm).

  3. Connect the power cord

    Connect the power cord supplied by the customer to the designated power input on the adaptor. Ensure all connections are secure.

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.