nVent MB070704PSCTK - MultiBox Trnsp Scr Cvr with Knockouts Type 4X, 7.08x7.17x4.37, Lt Gray, Polystyrene, PSCTK
nVent

MB070704PSCTK

UPC: 635394600682


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Overview

The nVent MultiBox Transparent Cover with Knockouts (SKU: MB070704PSCTK) is a high-performance, corrosion-resistant electrical junction box enclosure designed for demanding industrial environments. Part of the trusted MultiBox series by nVent, a global leader in thermal management and electrical protection solutions, this enclosure combines durability, visibility, and functionality to meet the rigorous demands of modern industrial applications. Engineered with a lightweight yet robust polystyrene construction in a light gray finish, the MB070704PSCTK is specifically formulated to withstand highly corrosive atmospheres while providing clear visual access to internal components—critical for inspection, maintenance, and troubleshooting operations. This enclosure features a Type 4X rating, ensuring superior protection against water ingress, dust, and corrosion, making it ideal for outdoor installations, chemical processing plants, food and beverage facilities, and marine applications. The IP4X rating confirms protection against solid objects greater than 1mm and limited ingress of dust, reinforcing its reliability in harsh conditions. The transparent polystyrene cover allows technicians to monitor wiring, connections, and instrumentation without opening the enclosure, reducing downtime and enhancing operational safety. Designed for versatility, the MB070704PSCTK includes strategically placed knockouts for easy cable entry and exit, facilitating clean, organized installations in control panels, junction boxes, and instrumentation enclosures. Its compact dimensions (7.08 x 7.17 x 4.37 inches) make it suitable for space-constrained applications, while the lightweight material simplifies handling and installation without compromising structural integrity. The light gray color provides excellent UV resistance and aesthetic consistency in industrial settings. Professionals across industries such as oil and gas, water treatment, pharmaceuticals, and manufacturing rely on nVent MultiBox enclosures for their proven performance in corrosive and hazardous environments. nVent’s commitment to innovation and quality ensures that products like the MB070704PSCTK deliver long-term reliability, reducing maintenance costs and improving system uptime. Whether used in new installations or retrofits, this enclosure is a cost-effective solution for protecting sensitive electrical components while maintaining operational visibility and compliance with industry standards. Choose the nVent MultiBox Transparent Cover with Knockouts for a durable, inspection-friendly enclosure that meets the demands of today’s industrial challenges. Trusted by engineers and technicians worldwide, nVent delivers solutions that enhance safety, efficiency, and longevity in electrical systems.
  • Type 4X and IP4X rated for superior protection against water, dust, and corrosion
  • Transparent polystyrene cover enables visual inspection without opening the enclosure
  • Lightweight yet durable construction in light gray finish for UV resistance
  • Strategic knockouts for easy cable entry and organized installations
  • Compact dimensions (7.08x7.17x4.37 in) ideal for space-constrained applications
  • Continuous gaskets made of polyurethane foam guarantee optimal integrity
  • All enclosures can be easily modified to customer specifications

Specifications

Application
Controls and Drives; Corrosive Environments
Color
Light Gray
Finish
Smooth Matte
Ip Rating
IP4X
Material
Polystyrene
Nema Rating
Type 4X
Series
MultiBox
Size
7.08x7.17x4.37 inches
Type
Fiberglass and Thermoplastic Wall Mounted Industrial Enclosures
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 MB040425PSCTK Enclosure

This guide provides step-by-step instructions for installing and configuring the MB040425PSCTK enclosure for electrical junctions in corrosive environments.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Mount the enclosure

    Secure the MB040425PSCTK enclosure to a suitable surface using the provided mounting screws. Ensure it is level and firmly attached.

  2. Connect the wiring

    Strip the ends of 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 continuity of the connections. Ensure there are no shorts and that all connections are functioning correctly.

  4. Seal the enclosure

    Close the enclosure cover and ensure that all screws are tightened to maintain the integrity of the enclosure against corrosive environments.

  5. Calibrate the system

    If applicable, follow the manufacturer's instructions to calibrate any devices housed within the enclosure to ensure accurate operation.

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.