nVent PS4040A - PolySafe Flat Opaque Cover Type 4X, 39.37x39.37x12.60, Lt Gray, Fiberglass, A
nVent

PS4040A

UPC: 635394548809


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Installation Instructions

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Overview

The nVent POLYSAFE 4040A Fiberglass Flat Opaque Cover Enclosure (SKU: PS4040A) is a high-performance, non-metallic solution designed to safeguard electrical and electronic controls in the most demanding industrial environments. Manufactured by nVent, a global leader in electrical and thermal management solutions, this enclosure combines advanced fiberglass construction with a flat, overlapping cover design to deliver unmatched protection against moisture, dust, corrosion, and mechanical impact. Engineered to meet stringent Type 4X, NEMA 4X, IP66, and UL 508A standards, the POLYSAFE 4040A is ideal for applications requiring reliable, long-term performance in wet, corrosive, or hazardous locations. Key features of the POLYSAFE 4040A include compression-molded fiberglass construction, which provides exceptional strength-to-weight ratio and resistance to chemicals, UV exposure, and extreme temperatures. The flat, overlapping cover design ensures a secure seal, preventing ingress of contaminants while maintaining structural integrity. Available with solid or window covers, this enclosure offers flexibility for various inspection and monitoring needs. The cover is secured with padlockable Type 316 stainless steel latches and Type 304 stainless steel piano hinges, ensuring tamper resistance and easy access for maintenance. Integral mounting brackets simplify installation, while the light gray finish enhances visibility and aesthetic appeal in industrial settings. Typical applications for the nVent POLYSAFE 4040A include insulated electrical junction boxes, terminal wiring enclosures, instrument housings, and electrical control cabinets in industries such as oil and gas, chemical processing, water treatment, food and beverage, and manufacturing. Its compliance with UL 508A, CSA C22.2 No. 94, and IEC 60529 standards makes it suitable for use in both indoor and outdoor environments where protection against water, dust, and corrosive substances is critical. The enclosure’s non-metallic construction also eliminates the risk of galvanic corrosion, making it an excellent choice for installations near saltwater or chemical exposure. Professionals in electrical and automation industries rely on nVent’s POLYSAFE series for its durability, compliance, and ease of installation. The 4040A model, with its 39.37 x 39.37 x 12.60-inch dimensions, offers ample space for housing complex control systems while maintaining a compact footprint. Whether used as a standalone enclosure or integrated into larger control panels, the POLYSAFE 4040A delivers peace of mind with its robust construction and adherence to global safety standards. Trusted by engineers and facility managers worldwide, nVent’s commitment to innovation and quality ensures that the POLYSAFE 4040A remains a top choice for protecting critical electrical infrastructure in harsh conditions.
  • Enclosures are maintenance free and corrosion resistant
  • Bases and covers are hot compression molded from halogen free, self extinguishing fiberglass reinforced polyester (FRP) that can withstand continuous temperatures from -58°F to 302°F (-50°C to 150°C) and momentary exposure to 392°F (200°C)
  • Windows are made from 1/4” transparent Lexan
  • Can be coupled in height, width and depth for wall mounting and freestanding units
  • Standard 3 or 5 point latching mechanism (dependant on size
  • All enclosures can be easily modified to customer specifications
  • Gaskets are made from continuously poured polyurethane foam

Specifications

Application
Controls and Drives; Corrosive Environments
Color
Light Gray
Color Code
RAL 7035
Depth
320 mm
Depth
12.6 in
Finish
Smooth Matte
Height
39.37 in
Height
1,000 mm
Material
Fiberglass
Product Family
Polysafe
Protection Rating
NEMA Type 3
Type
Fiberglass and Thermoplastic Wall Mounted Industrial Enclosures
Weight
69.6 lb
Width
1,000 mm
Width
39.37 in
Panel 6.9 x 4.9 - Fits Encl. 8 x 6 - Alum

14A0705

Panel 6.9 x 4.9 - Fits Encl. 8 x 6 - Alum
Sealable and transparent protective covers BX4 and non-removable BX4-CA to protect the devices against accidental contact.

BX4

Sealable and transparent protective covers BX4 and non-removable BX4-CA to protect the devices against accidental contact.
Escutcheon black type B for Sircover 125-630A

44095015

Escutcheon black type B for Sircover 125-630A
Escutcheon black type B for Sircover 125-630A IP65

44095016

Escutcheon black type B for Sircover 125-630A IP65
1/2 Inch, 90 Degree, Two-Piece Liquidtight Non-Metallic Fitting, UL E32447, Temperatures up to 107 Degrees C, Nitril Rubber O-Ring, PVC, Grey

LT20D-NEW

1/2 Inch, 90 Degree, Two-Piece Liquidtight Non-Metallic Fitting, UL E32447, Temperatures up to 107 Degrees C, Nitril Rubber O-Ring, PVC, Grey
1/2 Inch, Straight, One-Piece Liquidtight Non-Metallic Fitting, CSA, UL E32447, Temperatures up to 60 Degrees C, PVC, Grey

LN43DA

1/2 Inch, Straight, One-Piece Liquidtight Non-Metallic Fitting, CSA, UL E32447, Temperatures up to 60 Degrees C, PVC, Grey
Cord Grip with NPT Threads, Locknut Included, NPT Thread Size 3/8 Inch, Cable Range 0.181 Inch/4.6mm to 0.312 Inch/7.9mm, Hole Clearance 0.670 Inch/17.0mm, Thread Length 0.53 Inch/13.5mm, IP68 Rating, Nylon, Black

LH38

Cord Grip with NPT Threads, Locknut Included, NPT Thread Size 3/8 Inch, Cable Range 0.181 Inch/4.6mm to 0.312 Inch/7.9mm, Hole Clearance 0.670 Inch/17.0mm, Thread Length 0.53 Inch/13.5mm, IP68 Rating, Nylon, Black
EP-RJG-M20-BL-A

1SNG618003R0000

EP-RJG-M20-BL-A
5,90" x 5,90" filter fan - 24Vdc - 20.6 cfm - RAL 9005 - Type 3R - IP55

FF12D24NN53

5,90" x 5,90" filter fan - 24Vdc - 20.6 cfm - RAL 9005 - Type 3R - IP55
12,80" x 12,80" filter fan - 115Vac - 285.3 cfm - RAL 7035 - Type 12

FF20A115UE1

12,80" x 12,80" filter fan - 115Vac - 285.3 cfm - RAL 7035 - Type 12

How to Install the Polysafe Enclosure

This guide provides step-by-step instructions for installing and configuring the Polysafe enclosure for electrical and electronic controls.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Mount the enclosure

    Secure the enclosure to the desired surface using the provided mounting screws. Ensure it is level and firmly attached.

  2. Connect the wiring

    Use wire strippers to prepare the wires and connect them to the terminal connectors inside the enclosure. Ensure all connections are tight and secure.

  3. Verify electrical connections

    Use a multimeter to check the voltage and continuity of the connections. Ensure that all readings are within the specified range.

  4. Seal the enclosure

    Close the enclosure doors and ensure that the gaskets are properly seated to maintain the enclosure's IP65 rating.

  5. Calibrate the system

    Follow the manufacturer's guidelines to calibrate any installed equipment within the enclosure, ensuring optimal performance.

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.