nVent VM553K - VM Flat Opaque Screw Cover with Knockouts Type 4X, 5.03x5.03x3.02, Lt Gray, Polyester, K
nVent

VM553K

UPC: 635394550697


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Installation Instructions

Contact for Pricing

Overview

The nVent VM553K VM Flat Opaque Screw Cover with Knockouts is a high-performance, Type 4X-rated enclosure accessory designed to protect and secure electrical connections in demanding industrial environments. Engineered from durable Valox polyester, this flat opaque screw cover provides superior resistance to moisture, dust, corrosion, and mechanical impact, making it an ideal choice for junction boxes, terminal wiring enclosures, and instrument housings where reliability is critical. The VM Series from nVent is trusted by professionals across industries such as oil and gas, chemical processing, water treatment, and manufacturing, where harsh conditions demand robust electrical protection solutions. This VM553K cover features integrated knockouts for flexible cable entry points, allowing for easy customization and installation without compromising protection. The 5.03 x 5.03 x 3.02 inch dimensions provide ample space for secure containment of wiring and components, while the lightweight yet rugged construction ensures long-term durability. The light gray finish not only enhances visibility in low-light environments but also resists fading and discoloration over time, maintaining a professional appearance even in corrosive atmospheres. Professionals select the nVent VM Series for its compliance with Type 4X standards, which certify protection against water ingress, dust accumulation, and corrosion—key requirements in outdoor, washdown, and hazardous locations. The Valox polyester material offers exceptional chemical resistance, making it suitable for use in facilities handling aggressive substances. Installation is straightforward, with pre-drilled holes for secure mounting and screw attachment, ensuring a tight seal that prevents contaminants from compromising internal components. nVent, a global leader in electrical solutions, designs the VM Series to meet the rigorous demands of industrial applications. With a reputation for innovation and reliability, nVent products are specified by engineers and contractors who prioritize performance and longevity. The VM553K screw cover is manufactured in the U.S., reflecting nVent’s commitment to quality and compliance with industry standards. Whether used in control panels, sensor housings, or junction boxes, the nVent VM553K provides peace of mind with its robust construction and Type 4X certification. Its flat opaque design minimizes visual clutter while maximizing protection, making it a preferred choice for facilities where both functionality and aesthetics matter. For professionals seeking a dependable, corrosion-resistant solution for electrical enclosures, the VM553K delivers unmatched value and performance.
  • 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
  • Knockouts in the base facilitate conduit entry
  • Continuous gaskets made of polyurethane foam ensure optimal integrity
  • Opaque cover with four non-metallic corner screws and knockouts in the base

Specifications

Application
Controls and Drives; Corrosive Environments
Color
Light Gray
Color
Lt Gray
Color Code
RAL 7035
Depth
77 mm
Depth
3.02 in
Finish
Smooth Matte
Height
128 mm
Height
5.03 in
Material
Polyester
Nema Rating
Type 4X
Product Family
VM
Protection Rating
NEMA Type 3
Series
VM
Size
5.03x5.03x3.02
Type
Fiberglass and Thermoplastic Wall Mounted Industrial Enclosures
Weight
0.43 lb
Width
128 mm
Width
5.03 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

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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

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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 VM533 Controller

This guide provides step-by-step instructions for installing and configuring the VM533 Controller in a non-metallic enclosure.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Mount the controller

    Secure the VM533 Controller to the DIN rail using the integrated clips. Ensure the controller is level and firmly attached.

  2. Connect power supply

    Use terminal connectors to connect the power supply wires to the designated input terminals on the VM533 Controller. Verify that the connections are secure.

  3. Configure initial settings

    Power on the VM533 Controller and use the configuration interface to set the desired operational parameters. Follow the on-screen prompts to complete the setup.

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.