nVent APWK3523NF - Window Kit Type 4 and 12 , 37.50x25.50x.31, Gray ANSI 61, Mild Steel
nVent

APWK3523NF

UPC: 783510219000


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Installation Instructions

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Overview

The nVent APWK3523NF Window Kit provides a substantial 37.50" x 25.50" viewing area within a robust 37.50" x 25.50" x 0.31" mild steel frame. Finished in ANSI 61 gray polyester powder paint, this kit is engineered for Type 4 and 12 applications, offering protection against dust and water ingress. The clear acrylic window, 0.25-inch thick, is scratch-resistant, ensuring long-term visibility for internal equipment inspection. Installation is simplified with a required rectangular cut-out of 35.00" x 23.00" and an included mounting template (36.69" x 24.69"). An oil-resistant neoprene gasket ensures a watertight seal, and all necessary mounting hardware is provided. Manufactured in the USA, this window kit is suitable for indoor/outdoor use in sectors like manufacturing, automation, and power distribution, supporting UL 508A, CSA, NEMA, and IEC 60529 (IP55) compliance. The window size is M x N: 37.50 x 25.50 inches (953 x 648 mm).
  • Window kits of the same size use the same interchangeable cut-out
  • The gasket material on all windows is resistant to oils, cutting fluids and many other liquids
  • All required hardware is furnished, along with assembly and cut- out instructions
  • The clear window of the Steel and Stainless Steel Window Kit is made of .25-in. (6mm) impact-resistant polycarbonate material
  • Non-Metallic Window kit are made of a single piece polycarbonate material

Specifications

Accessory Type
Window Kits
Application
Controls and Drives;Power Distribution
Color
Gray
Color
Gray ANSI 61
Color Code
ANSI 61
Cutout Size
18.69 x 7.19 in
Cutout Size
36.69 x 24.69 in
Finish
Powder Coated
IP Rating
IP66
Material
Mild Steel
Material
Mild Steel;Steel
Modification Services
Yes
Mounting Type
Rectangular Cut-Out
Nema Rating
TYPE 4/12
Series
nVent APWK
Size
37.50x25.50x0.31 inches
Size
37.50x25.50x.31 in
Thickness
1.9 mm
Thickness
14 ga
Thickness
51.40mm (2.024")
Type
Industrial Door Mounting and Locks
Type Number
Type 4
Weight
17.9 lb
Window Size
35.00 x 23.00 in
Window Size
343 x 366 mm
Works With
NEMA / IEC
Package Dimensions (L x W x H)
40.75 IN x 29 IN x 2.2 IN
Package Dimensions (L x W x H)
103.505 cm x 73.66 cm x 5.588 cm
Package Weight (Imperial)
17.900 L
Package Weight (Metric)
8.119 kg
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How to Install the APWK3523NF Window Kit

This guide provides step-by-step instructions for installing the APWK3523NF window kit, ensuring a secure and proper fit.

Estimated time: 45m

Tools needed:

Screwdriver, Wrench

Supplies needed:

Mounting screws, Clamps, Nuts, Window

  1. Prepare the cutout

    Make a rectangular cutout of size 36.69 x 24.69 inches (932 x 627 mm) where the window will be mounted.

  2. Remove protective film

    Remove the paper from both sides of the window to ensure a clean surface for installation.

  3. Install the window

    Place the window in the frame within the stud perimeter, ensuring it is properly aligned.

  4. Secure the frame

    Position the frame and window against the enclosure with the studs protruding through the opening.

  5. Tighten the assembly

    Assemble the clamps and nuts to the studs, align the window, and tighten all nuts to 15−20 in-lbs (1.7−2.3 Nm) of torque.

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.