Authorized nVent Distributor
nVent VJB2016HWPL2 - VJB Flat Cover Bonded Window Type 4X, 21.32x17.32x11.57, Lt Gray, FRP, HWPL

nVent VJB2016HWPL2 VJB Flat Cover Bonded Window Type 4X, 21.32x17.32x11.57, Lt Gray, FRP, HWPL

UPC: 635394581196


Documents & Media
Installation InstructionsSpecification SheetManufacturer Product Website

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The nVent VJB2016HWPL2 Fiberglass Reinforced Polyester (FRP) bonded window flat cover is a premium-grade solution engineered for demanding industrial environments where corrosion resistance, durability, and electrical safety are paramount. Designed as a Type 4X enclosure accessory, this flat cover provides a secure, tamper-resistant barrier over bonded windows in junction boxes, control panels, and electrical housings. Manufactured by nVent, a global leader in thermal management and electrical protection solutions, the VJB2016HWPL2 ensures long-term performance in highly corrosive atmospheres—such as chemical processing plants, wastewater treatment facilities, offshore platforms, and food processing plants—where exposure to moisture, chemicals, and harsh conditions is routine. This bonded window flat cover is constructed from high-strength FRP, a material renowned for its exceptional resistance to corrosion, UV degradation, and mechanical stress. The lightweight yet robust design simplifies handling and installation while maintaining structural integrity over time. The cover’s dimensions (21.32 x 17.32 x 11.57 inches) are optimized to fit standard junction box openings, ensuring a precise, secure fit that minimizes the risk of ingress or contamination. The light gray finish not only enhances visibility in low-light industrial settings but also resists staining and fading, maintaining a professional appearance even in the most challenging environments. Key applications for the VJB2016HWPL2 include: - Electrical junction boxes in chemical and petrochemical facilities - Control panels in food and beverage processing plants - Outdoor enclosures in utility and telecom installations - Marine and offshore environments exposed to salt spray - Wastewater treatment and desalination plants Professionals in industrial electrical design and maintenance rely on nVent’s VJB series for its compliance with stringent safety standards, including Type 4X certification, which ensures protection against dust, water, and corrosion. The bonded window design allows for visual inspection of internal components without compromising enclosure integrity, enabling proactive maintenance and reducing downtime. Installation is straightforward, with pre-drilled mounting holes and corrosion-resistant hardware included, ensuring a reliable seal and long service life. nVent’s reputation for engineering excellence is built on decades of innovation in thermal and electrical protection solutions. With a global footprint and a commitment to sustainability, nVent delivers products that meet the rigorous demands of modern industrial operations. The VJB2016HWPL2 flat cover is no exception—it combines robust materials, smart design, and trusted performance to safeguard critical electrical systems in the harshest conditions. Whether upgrading existing infrastructure or specifying new installations, engineers and facility managers choose nVent for reliability they can depend on.
  • Available sized from 6x6 (152x152mm) to 30x24 (762x610mm)
  • All VJ enclosures were designed to meet the Joint Industrial Council (JIC) standards in the United States
  • Enclosures are maintenance free and corrosion resistant
  • Made from hot compression molded halogen free, self extinguishing fiberglass reinforced polyester (FRP)
  • Polyurethane foam-in-place gasket
  • 1/4” transparent Lexan™ window
  • Molded mounting flanges and cover corner ribs increase enclosure strength
  • Enclosures can be modified to customer specifications
  • Enclosures can be modified to customer specifications

Specifications

Application
Controls and Drives;Corrosive Environments
Color
Light Gray
Color
Gray
Color
Grey
Color
Lt Gray
Color Code
RAL 7035
Depth
294 mm
Depth
11.57 in
Finish
Smooth Matte
Height
21.32 in
Height
542 mm
Material
Fiberglass
Material
FRP
Material Quality
Fiberglass
Nema Rating
Type 4X
Product Family
VJ
Protection Rating
NEMA Type 3
Series
VJB
Size
21.32x17.32x11.57
Style
Stainless steel continuous hinge and stainless steel padlockable latch
Type
Fiberglass and Thermoplastic Wall Mounted Industrial Enclosures
Weight
21 lb
Width
17.32 in
Width
440 mm
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

Frequently Asked Questions

What material is the VJB2016HWPL2 enclosure made from?

The enclosure is made from hot compression molded, halogen-free, self-extinguishing fiberglass reinforced polyester (FRP).

What are the dimensions of the VJB2016HWPL2 enclosure?

The VJB2016HWPL2 enclosure has a height of 21.32 inches, a width of 17.32 inches, and a depth of 11.57 inches.

What is the weight of the VJB2016HWPL2 enclosure?

The VJB2016HWPL2 enclosure weighs 21lb.

What industry standards does the VJB2016HWPL2 enclosure meet?

It meets UL 508A Listed; Type 3, 3R, 4, 4X, 12, 13 and cUL Listed per CSA C22.2 No 94 standards.

What is the color and finish of the VJB2016HWPL2 enclosure?

The enclosure is light gray with a smooth matte finish and a color code of RAL 7035.

What type of window does the VJB2016HWPL2 enclosure have?

The enclosure features a 1/4 inch transparent Lexan window.

What is the primary purpose of VJB enclosures?

VJB enclosures are designed for use as electrical junction boxes in highly corrosive environments, protecting equipment and operators.

What does the 'HWPL' designation mean for this enclosure?

HWPL indicates the enclosure has a stainless steel continuous hinge and stainless steel padlockable latch(es).

What type of gasket is used in VJB enclosures?

The enclosures use a polyurethane foam-in-place gasket.

Is the VJB2016HWPL2 enclosure maintenance-free?

Yes, VJ enclosures are designed to be maintenance-free and corrosion resistant.

How to Install the VJB2016HWPL2 Enclosure

Guide for mounting and preparing the VJB2016HWPL2 enclosure for use. Ensure proper installation for optimal performance and safety.

Estimated time: 30m

Tools needed:

Screwdriver, Drill (if mounting holes are not pre-drilled), Level

Supplies needed:

Mounting screws, Wire connectors, Air vents (if not included)

  1. Select Mounting Location

    Choose a suitable location for the VJB2016HWPL2 enclosure. Consider environmental factors and accessibility for maintenance. Ensure the mounting surface is stable and can support the weight of the enclosure and its contents. Refer to the datasheet for specific environmental ratings and limitations.

  2. Prepare the Enclosure

    If required, install air vents for proper circulation. Two air vents should be installed, ideally in the upper and lower parts of the enclosure, to prevent condensation. Refer to the specific part number for air vent installation instructions and required hardware.

  3. Mount the Enclosure

    Securely mount the VJB2016HWPL2 enclosure to the chosen surface using appropriate mounting screws. Ensure the enclosure is level and firmly attached. For enclosures with molded mounting flanges, align these with the mounting surface and fasten securely. Verify that the enclosure meets the required NEMA/EEMAC or IP ratings for the intended environment.

  4. Wiring and Connections

    Open the enclosure and proceed with internal wiring and connections as per your application requirements. Ensure all electrical connections are made in accordance with local codes and standards. For specific wiring details or internal component compatibility, consult the product's datasheet.

  5. Final Inspection and Closure

    After completing all internal installations and wiring, perform a final inspection to ensure all components are securely fastened and all connections are correct. Close and secure the enclosure cover, ensuring the gasket provides a proper seal. Verify that all latches or screws are tightened appropriately.

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.