nVent A1-706E1CTHPL1 - APO Flat Trnsp Screw Cover with Extension Type 4X, 7.32x5.94x6.88, Lt Gray, Fiberglass, E1CTHPL
nVent

A1-706E1CTHPL1

UPC: 635394000666


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Installation Instructions

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Overview

The nVent APO Flat Transparent Screw Cover with Extension (SKU: A1-706E1CTHPL1) is a high-performance fiberglass enclosure designed to protect and house critical electrical components in the most demanding industrial environments. Engineered by nVent, a global leader in electrical and thermal management solutions, this Type 4X rated enclosure combines durability, corrosion resistance, and transparency to ensure safe, reliable operation in highly corrosive and hazardous locations. With dimensions of 7.32 x 5.94 x 6.88 inches and a light gray finish, the APO706A1E1 is ideal for applications where visibility of internal components is essential without compromising protection. This fiberglass enclosure is specifically designed for use as insulated electrical junction boxes, terminal wiring housings, instrument enclosures, and electrical control cabinets in corrosive environments such as chemical processing plants, water treatment facilities, offshore oil and gas platforms, and food and beverage production areas. The transparent screw cover allows for easy visual inspection of internal wiring, connections, or instrumentation without opening the enclosure, reducing maintenance time and improving operational efficiency. The Type 4X rating ensures protection against dust, water ingress, and corrosion, making it suitable for both indoor and outdoor installations. nVent’s fiberglass enclosures are manufactured in the USA, reflecting the company’s commitment to quality and reliability. The material’s inherent resistance to chemicals, UV exposure, and extreme temperatures ensures long-term performance even in harsh conditions. Professionals in electrical engineering, instrumentation, and facility management trust nVent for solutions that meet stringent safety and compliance standards, including NEC, UL, and IEC certifications. Installation is straightforward thanks to the screw cover design, which allows for quick access to internal components while maintaining a secure seal. The extension feature provides additional space for complex wiring configurations or larger components, making the APO706A1E1 a versatile choice for both new installations and retrofits. When selecting an enclosure for corrosive or hazardous environments, the nVent APO series stands out for its combination of durability, transparency, and compliance with industry standards. Whether you’re protecting control panels in a coastal refinery, housing sensors in a desalination plant, or securing instrumentation in a pharmaceutical facility, the nVent APO Flat Transparent Screw Cover with Extension delivers unmatched performance and peace of mind. Trusted by engineers and facility managers worldwide, nVent’s fiberglass enclosures are a cornerstone of safe, efficient, and long-lasting 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
  • 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
Color
Light Gray
Color Code
RAL 7035
Depth
175 mm
Depth
6.88 in
Finish
Smooth Matte
Height
186 mm
Height
7.32 in
Material
Fiberglass
Mounting Type
Screw cover with extension
Nema Rating
Type 4X
Product Family
APO
Protection Rating
NEMA Type 3
Series
APO
Size
7.32x5.94x6.88 in
Type
Fiberglass and Thermoplastic Wall Mounted Industrial Enclosures
Weight
2.97 lb
Width
151 mm
Width
5.94 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

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.