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nVent VM553 - VM Flat Opaque Screw Cover Type 4X, 5.03x5.03x3.02, Lt Gray, Polyester

nVent VM553 VM Flat Opaque Screw Cover Type 4X, 5.03x5.03x3.02, Lt Gray, Polyester

UPC: 635394550666


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 VM553 Valox Flat Opaque Screw Cover is a high-performance, corrosion-resistant enclosure accessory designed to protect electrical components in demanding industrial environments. Part of the VM Series from nVent, a trusted leader in thermal management and electrical protection solutions, this screw cover provides Type 4X-rated protection against water, dust, and corrosive atmospheres—ideal for junction boxes, terminal wiring enclosures, and control housings exposed to harsh conditions. Engineered from durable Valox polyester, the VM553 ensures long-lasting performance in wet, dusty, or chemically aggressive settings, making it a critical component for facilities in chemical processing, water treatment, oil and gas, manufacturing, and outdoor installations where environmental ingress is a constant concern. The 5.03 x 5.03 x 3.02 inch dimensions offer a precise fit for standard VM Series enclosures, while the light gray color provides low visibility and aesthetic consistency in industrial settings. With a UL-recognized design and compliance with stringent NEMA and IP standards, the VM553 delivers reliable sealing and mechanical protection without compromising accessibility for maintenance or inspection. Professionals in industrial electrical design, plant maintenance, and system integration rely on nVent VM Series components for their proven durability and compatibility with a wide range of enclosure systems. Installation is straightforward, requiring no special tools, and the cover’s flat opaque design minimizes visual clutter while maximizing protection. Whether used in control panels, sensor housings, or junction boxes, the VM553 enhances system reliability by preventing contamination and corrosion of internal components. nVent’s commitment to innovation and quality ensures that the VM553 meets the evolving demands of modern industrial applications, from food and beverage processing to renewable energy installations. Trusted by engineers and facility managers worldwide, the VM553 represents a cost-effective solution for safeguarding critical electrical infrastructure in environments where failure is not an option.
  • Enclosures are maintenance free and corrosion resistant
  • Bases and covers are made from a polyester, polycarbonate material blend that can withstand continuous temperatures up to 280°F (138°C)
  • Cover screw holes in corners are outside of the gasketed area
  • Continuous gaskets made of polyurethane foam ensure optimal integrity
  • All enclosures can be easily modified to customer specifications

Specifications

Application
Controls and Drives;Corrosive Environments
Application
Corrosive Environments; Controls and Drives
Color
Lt Gray
Color
Light Gray
Color Code
RAL 7035
Depth
3.02 in
Depth
77 mm
Finish
Smooth Matte
Height
128 mm
Height
5.03 in
Ip Rating
Type 4X
Material
Polyester
Material Quality
Polyester
Nema Rating
Type 4X
Product Family
VM
Protection Rating
NEMA Type 3
Series
VM Series
Size
5.03x5.03x3.02 in
Type
Fiberglass and Thermoplastic Wall Mounted Industrial Enclosures
Weight
0.43 lb
Width
5.03 in
Width
128 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.
Locking using CASTELL K key operated lock (not supplied) Fuserbloc Sirco

36297702

Locking using CASTELL K key operated lock (not supplied) Fuserbloc Sirco
External operation handle 0-1 type S01 Red Nema 4,4x

140E2911

External operation handle 0-1 type S01 Red Nema 4,4x
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

Frequently Asked Questions

What are the dimensions of the VM553 enclosure?

The VM553 enclosure has a height of 5.03 inches, a width of 5.03 inches, and a depth of 3.02 inches.

What material is the VM553 enclosure made from?

The VM553 enclosure is made from a polyester, polycarbonate material blend.

What is the maximum continuous operating temperature for this enclosure?

The polyester, polycarbonate material blend can withstand continuous temperatures up to 280°F (138°C).

What industry standards does the VM553 enclosure meet?

It meets UL 508A Listed; Type 3, 3R, 4, 4X, 12, 13 and NEMA/EEMAC Type 3, 3R, 4, 4X, 12, 13 standards.

Is the VM553 enclosure maintenance-free?

Yes, the VM Series enclosures are maintenance free and corrosion resistant.

What is the purpose of the VM553 enclosure?

It is designed for use as insulated electrical junction boxes, terminal wiring boxes, instrument housings, and electrical control boxes.

What type of gasket does the VM553 enclosure use?

It uses continuous gaskets made of polyurethane foam to ensure optimal integrity.

What is the color and finish of the VM553 enclosure?

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

What is the weight of the VM553 enclosure?

The VM553 enclosure weighs 0.43lb.

Where can I find installation instructions for nVent products?

nVent product instruction sheets are available at www.nvent.com and from your nVent customer service representative.

How to Install the VM553 VM Series Non-Metallic Enclosure

Installation guide for mounting the VM553 VM Series Non-Metallic Enclosure.

Estimated time: 30m

Tools needed:

Drill, Level, Screwdriver, Measuring tape

Supplies needed:

Mounting hardware (screws, anchors), Gasket (if applicable), Sealing compound (for cable entries)

  1. Select Mounting Location

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

  2. Prepare Mounting Surface

    Using a measuring tape and level, mark the desired mounting points on the surface. Drill pilot holes if necessary, and install appropriate anchors if mounting to a hollow surface. Ensure the mounting holes are aligned with the enclosure's mounting flanges or brackets.

  3. Mount the Enclosure

    Position the VM553 enclosure against the prepared mounting surface, aligning the mounting holes. Secure the enclosure using appropriate mounting hardware (screws, bolts). Ensure the enclosure is level and firmly attached. Do not overtighten fasteners, as this may damage the enclosure.

  4. Install Gasket and Seal Cable Entries

    If the enclosure comes with a gasket, ensure it is properly seated in the groove to maintain the IP66 rating. For any cable entries, use appropriate sealing methods (e.g., sealing compound, cable glands) to maintain the enclosure's integrity and prevent ingress of dust or water. Refer to the product's specific instructions for cable entry methods.

  5. Verify Installation

    Visually inspect the mounted enclosure to ensure it is secure and properly sealed. Check that all fasteners are tightened appropriately and that the enclosure door can be opened and closed smoothly. Confirm that the enclosure meets the required ingress protection rating (IP66).

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.