nVent MB070735PSK - MultiBox Opaque Screw Cover with Knockouts Type 4X, 7.08x7.17x3.54, Lt Gray, Polystyrene, PSK
nVent

MB070735PSK

UPC: 635394600729


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Overview

The nVent MultiBox Opaque Screw Cover Enclosure (SKU: MB070735PSK) is engineered for demanding industrial applications where robust protection of electrical and instrumentation components is paramount. Manufactured by nVent, a leader in electrical enclosure solutions, this enclosure is constructed from durable, light gray polystyrene, offering excellent resistance to corrosion and harsh environmental conditions. Its Type 4X rating signifies superior protection against water ingress and dust, making it an ideal choice for wet or dusty locations, as well as for applications involving corrosive agents. Designed for versatility, the MultiBox enclosure features pre-knocked-out openings, simplifying the installation of conduit and cable entries. This feature significantly reduces on-site preparation time and effort, allowing for quicker deployment of electrical systems. The opaque screw cover design ensures the security and privacy of the internal components while providing easy access for maintenance and inspection. The compact dimensions of 7.08 x 7.17 x 3.54 inches make it suitable for a wide range of mounting spaces, from control panels to distributed I/O systems. This enclosure is particularly well-suited for use as electrical junction boxes or instrumentation enclosures in highly corrosive environments. Industries such as chemical processing, wastewater treatment, food and beverage manufacturing, and offshore oil and gas frequently rely on enclosures like the nVent MultiBox to safeguard critical equipment. The robust polystyrene material is chosen for its chemical inertness and impact resistance, ensuring long-term reliability even under continuous exposure to aggressive substances. Key benefits of the nVent MultiBox Opaque Screw Cover Enclosure include: * **Superior Environmental Protection:** Type 4X rating provides robust defense against water, dust, and corrosive materials. * **Durable Construction:** Made from high-quality, light gray polystyrene for longevity and chemical resistance. * **Ease of Installation:** Pre-knocked-out openings streamline conduit and cable entry, saving time and labor. * **Secure and Accessible Design:** Opaque screw cover protects internal components while allowing for straightforward access. * **Versatile Application:** Ideal for junction boxes, instrumentation enclosures, and control systems in challenging environments. When selecting an enclosure for critical electrical and instrumentation applications, professionals trust nVent for their commitment to quality and performance. The MB070735PSK model exemplifies this dedication, offering a reliable and cost-effective solution for protecting valuable assets in the most challenging industrial settings. Its design prioritizes both functionality and durability, ensuring that your electrical systems remain operational and protected, thereby minimizing downtime and maintenance costs.
  • nVent MultiBox Opaque Screw Cover Enclosure (SKU: MB070735PSK)
  • Type 4X rated for superior protection against water, dust, and corrosion
  • Constructed from durable, light gray polystyrene for chemical resistance
  • Dimensions: 7.08 x 7.17 x 3.54 inches, ideal for various mounting needs
  • Features pre-knocked-out openings for simplified conduit and cable installation
  • Continuous gaskets made of polyurethane foam guarantee optimal integrity
  • All enclosures can be easily modified to customer specifications

Specifications

Application
Corrosive Environments; Controls and Drives
Color
Lt Gray
Color
Light Gray
Color Code
RAL 7035
Depth
3.54
Depth
90
Finish
Smooth Matte
Height
7.08
Material
Polystyrene
Nema Rating
Type 4X
Product Family
MultiBox
Protection Rating
NEMA Type 4X
Series
MultiBox
Size
7.08x7.17x3.54 in
Style
Polystyrene opaque cover enclosures with four non-metallic corner screws and metric knockouts
Type
Fiberglass and Thermoplastic Wall Mounted Industrial Enclosures
Weight
0.86 lb
Width
7.17
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.