nVent A81-2212E1CT - APO Flat Trnsp Screw Cover with Extension Type 4X, 21.97x23.74x10.67, Lt Gray, Fiberglass, E1CT
nVent

A81-2212E1CT

UPC: 635394004404


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Installation Instructions

Contact for Pricing

Overview

The **nVent APO2212A81E1** Clear Screw Cover with Extension (SKU: A81-2212E1CT) is a high-performance fiberglass-reinforced polyester (FRP) enclosure accessory designed for extreme industrial environments. Engineered by nVent, a global leader in thermal management and electrical protection solutions, this Type 4X-rated component ensures reliable performance in highly corrosive, wet, or dusty conditions where ingress protection and structural integrity are critical. The transparent design allows for visual inspection of internal components without compromising enclosure integrity, making it ideal for applications requiring ongoing maintenance or monitoring. This **APO Flat Transparent Screw Cover with Extension** is specifically formulated for use as insulated electrical junction boxes, terminal wiring housings, instrument enclosures, and control cabinets in chemical processing plants, offshore oil & gas facilities, wastewater treatment plants, and food & beverage production environments. Its **fiberglass-reinforced polyester construction** delivers superior resistance to corrosion, UV exposure, and chemical attack—far outperforming traditional metal or plastic alternatives in harsh industrial settings. The **light gray color** provides high visibility while maintaining a professional aesthetic in control rooms or industrial panels. Key features of the nVent APO2212A81E1 include its **Type 4X certification**, which guarantees protection against water ingress (including hose-directed water) and solid particle intrusion (dust and dirt). The **extension design** ensures compatibility with deeper enclosure walls or additional insulation layers, accommodating complex wiring configurations or thermal management requirements. Installation is straightforward, with **screw-on mounting** that integrates seamlessly with nVent’s APO enclosure systems, ensuring a secure, tamper-resistant seal. Industries that benefit most from this product include: - **Oil & Gas**: Offshore platforms, refineries, and processing facilities where saltwater corrosion and explosive atmospheres are common. - **Chemical Processing**: Plants handling acids, solvents, or caustic substances requiring non-metallic, corrosion-resistant enclosures. - **Water & Wastewater**: Pump stations, treatment facilities, and distribution systems exposed to moisture and biological contaminants. - **Food & Beverage**: Processing and packaging areas where hygiene, washdown resistance, and non-conductive materials are mandatory. - **Mining & Heavy Industry**: Equipment exposed to abrasive dust, high humidity, or extreme temperatures. nVent’s reputation for engineering durable, compliant electrical solutions makes the APO2212A81E1 a trusted choice for engineers and facility managers prioritizing longevity and safety. The **Canadian-manufactured** component adheres to strict quality standards, ensuring consistency and reliability in critical applications. When selecting enclosure accessories, professionals should consider not only material compatibility but also **thermal performance, UV stability, and ease of inspection**—all of which are addressed by this fiberglass-reinforced solution. For projects demanding **IP66/IP66K ratings** and **NEMA Type 4X compliance**, the nVent APO2212A81E1 delivers unmatched protection and operational clarity in the most demanding industrial environments.
  • 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
  • 5 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
Application
Controls and Drives;Corrosive Environments
Color
Light Gray
Color
Lt Gray
Color
Gray
Color
Grey
Color Code
RAL 7035
Depth
271 mm
Depth
10.67
Finish
Smooth Matte
Height
558 mm
Height
21.97
IP Rating
IP66
Material
Fiberglass
Material Quality
Fiberglass
Nema Rating
Type 4X
Product Family
APO
Protection Rating
NEMA Type 3
Series
APO
Size
21.97x23.74x10.67
Style
Transparent cover and non-metallic corner screws, one extension collar
Type
Fiberglass and Thermoplastic Wall Mounted Industrial Enclosures
Weight
11 lb
Width
23.74
Width
603 mm
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 APO Series Enclosure

This guide provides step-by-step instructions for installing the APO Series enclosure, ensuring proper mounting and wiring for optimal performance.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Mount the enclosure

    Secure the enclosure to the desired 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. Use a multimeter to verify proper connections.

  3. Seal the enclosure

    Ensure that the enclosure cover is properly sealed to maintain its IP67 rating. Check that all gaskets are in place and secure.

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.