nVent MB070404PC - MultiBox Opaque Screw Cover Type 4X, 7.08x4.33x4.37, Lt Gray, Polycarbonate, PC
nVent

MB070404PC

UPC: 635394599511


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Installation Instructions

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Overview

The nVent MultiBox Opaque Screw Cover Enclosure (SKU: MB070404PC) is engineered for demanding industrial applications where robust protection and reliable performance are paramount. Designed as a high-quality electrical junction box or instrumentation enclosure, this unit excels in highly corrosive environments, safeguarding sensitive components from harsh chemicals, moisture, and environmental contaminants. Constructed from durable, light gray polycarbonate, this enclosure offers exceptional resistance to impact and UV degradation, ensuring longevity and maintaining its integrity even under extreme conditions. This specific model, measuring 7.08 inches in length, 4.33 inches in width, and 4.37 inches in height, provides ample space for a variety of electrical and instrumentation setups. The opaque screw cover design ensures complete light blocking, which is crucial for protecting light-sensitive equipment and preventing unauthorized access. The Type 4X rating signifies superior protection against water and dust ingress, making it an ideal choice for outdoor installations or areas prone to washdowns and high humidity. The robust construction and material selection by nVent, a recognized leader in electrical enclosure solutions, guarantees that your critical infrastructure remains secure and operational. Key features and benefits of the nVent MultiBox Opaque Screw Cover Enclosure include: * **Superior Environmental Protection:** Type 4X rating provides excellent defense against water, dust, and corrosive agents, ensuring component longevity. * **Durable Polycarbonate Construction:** Offers high impact resistance and UV stability for extended service life in challenging environments. * **Opaque Screw Cover:** Protects against light exposure and unauthorized tampering, essential for sensitive equipment. * **Generous Internal Volume:** The 7.08x4.33x4.37 inch dimensions accommodate a wide range of electrical and instrumentation components. * **Corrosion Resistance:** Specifically designed for use in highly corrosive atmospheres, common in chemical processing, wastewater treatment, and marine applications. * **Ease of Installation:** The screw cover design allows for straightforward access for wiring and maintenance. * **Trusted Manufacturer:** nVent is renowned for producing reliable and high-performance electrical enclosure solutions for critical infrastructure. This enclosure is an excellent solution for industries such as chemical processing, oil and gas, water and wastewater management, food and beverage, and any sector where equipment must withstand aggressive environmental factors. Professionals rely on nVent enclosures for their consistent quality and adherence to stringent industry standards. The UNSPSC code 39121324 further categorizes this product within the electrical enclosure market, highlighting its specific application in electrical equipment housing. Manufactured in Canada (CA), this enclosure benefits from rigorous quality control and manufacturing standards.
  • nVent MultiBox Opaque Screw Cover Enclosure, SKU: MB070404PC
  • Type 4X rated for superior protection against water and dust ingress
  • Constructed from durable, light gray polycarbonate for impact and UV resistance
  • Dimensions: 7.08" L x 4.33" W x 4.37" H, ideal for junction and instrumentation applications
  • Opaque screw cover protects light-sensitive components and prevents unauthorized access
  • All enclosures can be easily modified to customer specifications

Specifications

Application
Controls and Drives; Corrosive Environments
Color
Light Gray
Color
Lt Gray
Color Code
RAL 7035
Depth
4.37 in
Finish
Smooth Matte
Height
7.08
Material
Polycarbonate
Nema Rating
Type 4X
Product Family
MultiBox
Protection Rating
NEMA Type 4X
Series
MultiBox
Size
7.08x4.33x4.37
Style
Polycarbonate opaque cover enclosures with four non-metallic corner screws
Type
Fiberglass and Thermoplastic Wall Mounted Industrial Enclosures
Weight
0.57 lb
Width
4.33
Width
110
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.