nVent A31-1207E1HPL2 - APO Flat Opaque Screw Cover with Extension Type 4X, 11.89x7.32x7.81, Lt Gray, Fiberglass, E1HPL
nVent

A31-1207E1HPL2

UPC: 635394002196

Contact for Pricing

Overview

The nVent APO Flat Opaque Screw Cover with Extension (SKU: A31-1207E1HPL2) is a high-performance fiberglass enclosure accessory designed for demanding industrial environments where corrosion resistance, durability, and electrical safety are critical. Manufactured by nVent, a global leader in electrical and thermal management solutions, this Type 4X-rated screw cover provides reliable protection for junction boxes, terminal wiring enclosures, and control housings in highly corrosive or hazardous locations. Engineered from fiberglass-reinforced polyester (FRP), the APO1207A31E1HPL2 ensures long-lasting performance in chemical plants, oil and gas facilities, water treatment plants, and marine applications where exposure to moisture, salts, acids, and alkalis is common. Its flat opaque design not only enhances aesthetic integration with enclosures but also offers superior impact resistance and UV stability, making it ideal for both indoor and outdoor installations. The extension feature provides additional clearance for wiring and component access, simplifying maintenance while maintaining the enclosure's ingress protection rating. Professionals in electrical engineering, industrial maintenance, and facility management rely on nVent's APO series for its proven reliability in extreme conditions, backed by rigorous testing for temperature fluctuations, mechanical stress, and chemical exposure. Whether used in petrochemical refineries, food processing plants, or wastewater treatment systems, this screw cover delivers unmatched protection against environmental degradation while ensuring compliance with NEC, IEC, and NEMA standards for hazardous locations. Installation is straightforward, with pre-drilled mounting holes and a secure screw-down design that prevents unauthorized access or tampering. The light gray color option (Lt Gray) ensures visibility in dimly lit areas while blending seamlessly with standard industrial enclosures. Trusted by engineers and contractors worldwide, the nVent APO1207A31E1HPL2 represents the gold standard in fiberglass enclosure accessories, combining nVent's decades of expertise in electrical protection with innovative materials science to deliver a product that stands the test of time. For projects where failure is not an option, this screw cover extension is the intelligent choice for safeguarding critical electrical infrastructure.
  • Available sized from 7x6 (178x152mm) to 24x24 (610x610mm)
  • Enclosures are maintenance free and corrosion resistant
  • Bases and covers are made from hot compression molded halogen free, self extinguishing fiberglass reinforced polyester (FRP) that can withstand continuous temperatures up to 158°F (70°C) and momentary exposure to 302°F (150°C)
  • All enclosures can be easily modified to customer specifications
  • Gaskets are made from continuously poured polyurethane foam
  • Brass M4 threaded inserts are factory installed for mounting plate attachment
  • 4 to 6 bosses suitable for M6 threaded inserts are molded into the base (dependant on enclosure size).
  • Maintain UL / CSA Type 4x with up to 5 extension collars
  • Extensions allow deeper enclosure depths

Specifications

Application
Corrosive Environments; Controls and Drives
Color
Light Gray
Color Code
RAL 7035
Depth
7.81 in
Depth
198 mm
Finish
Smooth Matte
Height
11.89 in
Height
302 mm
Material
Fiberglass
Nema Rating
Type 4X
Product Family
APO
Protection Rating
NEMA Type 3
Series
APO Flat Opaque Screw Cover with Extension
Size
11.89x7.32x7.81 inches
Type
Fiberglass and Thermoplastic Wall Mounted Industrial Enclosures
Weight
4.67 lb
Width
186 mm
Width
7.32 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
External operation handle 0-1 type S01 Red Nema 4,4x

140E2911

External operation handle 0-1 type S01 Red Nema 4,4x
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

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.