nVent MB070704PSK - MultiBox Opaque Screw Cover with Knockouts Type 4X, 7.08x7.17x4.37, Lt Gray, Polystyrene, PSK
nVent

MB070704PSK

UPC: 635394600699


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Installation Instructions

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Overview

The nVent MultiBox Opaque Screw Cover Enclosure (SKU: MB070704PSK) is engineered for demanding industrial applications where robust protection of electrical and instrumentation components is paramount. Designed as a versatile junction box or instrumentation enclosure, this unit excels in highly corrosive environments, safeguarding sensitive equipment from harsh elements and potential damage. Its durable light gray polystyrene construction offers excellent resistance to chemicals and weathering, ensuring long-term reliability in challenging operational settings. This enclosure features a secure screw cover design, providing easy access for installation and maintenance while maintaining a tight seal against dust and moisture ingress. Integrated knockouts facilitate straightforward conduit entry, simplifying the wiring process and reducing installation time. The Type 4X rating signifies superior protection against water and dust, making it an ideal choice for outdoor installations or areas subject to frequent washdowns. The compact yet functional dimensions of 7.08 x 7.17 x 4.37 inches provide ample space for various electrical components without being overly cumbersome. Industries that benefit from the nVent MultiBox series include chemical processing, wastewater treatment, food and beverage manufacturing, and offshore oil and gas. Its ability to withstand corrosive atmospheres and maintain NEMA Type 4X integrity makes it a trusted solution for protecting critical control systems, sensors, and power distribution components. Professionals select nVent products for their reputation for quality, durability, and adherence to stringent industry standards. The PSK designation indicates the specific opaque screw cover variant with knockouts, ensuring compatibility with standard installation practices. Key benefits of the nVent MultiBox Opaque Screw Cover Enclosure include: * **Superior Environmental Protection:** Type 4X rating ensures defense against water, dust, and corrosive agents. * **Durable Construction:** Made from robust light gray polystyrene for longevity in harsh conditions. * **Easy Installation:** Pre-punched knockouts and a user-friendly screw cover design streamline setup and maintenance. * **Versatile Application:** Suitable for junction boxes, instrumentation enclosures, and control panels. * **Trusted Manufacturer:** nVent is a recognized leader in electrical protection solutions, offering reliable and high-performance products. When specifying enclosures for critical infrastructure, the nVent MultiBox series offers a dependable and cost-effective solution. Its thoughtful design and material selection ensure that your electrical components remain protected and operational, even in the most demanding industrial environments. The SKU MB070704PSK represents a specific configuration designed to meet the rigorous demands of modern industrial electrical installations.
  • nVent MultiBox Opaque Screw Cover Enclosure, SKU MB070704PSK
  • Type 4X rated for superior protection against water and dust ingress
  • Constructed from durable light gray polystyrene for corrosive environments
  • Dimensions: 7.08 x 7.17 x 4.37 inches, with integrated knockouts for easy conduit entry
  • Designed for use as electrical junction boxes or instrumentation enclosures
  • 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
Color
Lt Gray
Finish
Smooth Matte
Material
Polystyrene
Nema Rating
Type 4X
Series
MultiBox
Size
7.08x7.17x4.37
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.
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

Escutcheon black type B for Sircover 125-630A IP65
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

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.