nVent PSB2020A - PolySafe Flat Cover with Bonded Window Type 4X, 19.69x19.69x12.60, Lt Gray, Fiberglass, A
nVent

PSB2020A

UPC: 635394548953


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Installation Instructions

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Overview

The nVent PolySafe Flat Cover with Bonded Window (SKU: PSB2020A) is engineered for superior protection of critical electrical and electronic control systems in demanding industrial environments. Constructed from robust fiberglass, this enclosure offers exceptional durability and resistance to corrosive elements, moisture, and dust, making it an ideal solution for applications where equipment integrity is paramount. Its Type 4X rating signifies its suitability for both indoor and outdoor use, providing a reliable barrier against harsh weather conditions and washdowns. The PolySafe enclosure series is renowned for its versatility, serving effectively as insulated electrical junction boxes, terminal wiring boxes, instrument housings, and comprehensive electrical control housings. The integrated bonded window provides convenient visual access to internal components without compromising the enclosure's protective integrity, a crucial feature for monitoring and diagnostics. This design minimizes the need for frequent opening, thereby reducing exposure to environmental contaminants and enhancing operational safety. Key features and benefits of the nVent PolySafe PSB2020A include: * **Robust Fiberglass Construction:** Offers excellent resistance to chemicals, corrosion, and impact, ensuring long-term performance. * **Type 4X Rating:** Guarantees protection against water, dust, and corrosion, suitable for washdown applications and outdoor installations. * **Integrated Bonded Window:** Allows for easy visual inspection of internal components, enhancing operational efficiency and safety. * **Generous Dimensions:** The 19.69x19.69x12.60 inch size accommodates a wide range of electrical and electronic equipment. * **Light Gray Finish:** Provides a neutral aesthetic suitable for most industrial settings. * **Versatile Applications:** Ideal for junction boxes, terminal wiring, instrument housings, and control panels in industries such as chemical processing, water treatment, food and beverage, and manufacturing. When selecting an enclosure for sensitive control equipment, professionals prioritize materials that offer long-term reliability and protection against environmental hazards. Fiberglass enclosures, like the nVent PolySafe, are a preferred choice due to their non-conductive properties and inherent resistance to degradation, which is often superior to metal alternatives in corrosive atmospheres. The nVent brand is synonymous with quality and innovation in enclosure solutions, providing peace of mind for critical infrastructure protection. This specific model, PSB2020A, exemplifies nVent's commitment to delivering high-performance products that meet stringent industry standards and the evolving needs of modern industrial automation and control systems. Its design facilitates straightforward installation and maintenance, further contributing to its value proposition for system integrators and end-users alike.
  • 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
Corrosive Environments; Controls and Drives
Color
Light Gray
Color
Lt Gray
Color Code
RAL 7035
Depth
12.6 in
Depth
320 mm
Finish
Smooth Matte
Height
500 mm
Height
19.69 in
Material
Fiberglass
Nema Rating
Type 4X
Product Family
Polysafe
Protection Rating
NEMA Type 3
Series
PolySafe
Size
19.69x19.69x12.60 in
Type
Fiberglass and Thermoplastic Wall Mounted Industrial Enclosures
Weight
25.5 lb
Width
500 mm
Width
19.69 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.
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
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
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
External operation handle 0-1 type S01 Red Nema 4,4x

140E2911

External operation handle 0-1 type S01 Red Nema 4,4x
Escutcheon black type B for Sircover 125-630A

44095015

Escutcheon black type B for Sircover 125-630A
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
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

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.