nVent A20166GSC - Screw-Cover Gasketed Type 3, 20.00x16.00x6.00, Galvanized, Steel
nVent

A20166GSC

UPC: 783510561802


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Installation Instructions

Contact for Pricing

Overview

The nVent A20166GSC is a galvanized steel screw-cover enclosure designed for outdoor and industrial environments requiring Type 3 protection. It features a drip-shield top, seam-free sides, and a slip-on removable cover secured with 8 plated steel screws. The enclosure is constructed from 14-gauge G-90 galvanized steel body and 10-gauge cover, providing resistance to corrosion and structural integrity in harsh conditions. Key specifications include: * Dimensions: 20.00 x 16.00 x 6.00 inches * Material: 14-gauge G-90 galvanized steel body and 10-gauge cover * Ratings: UL 50/50E Listed (Type 3), cUL Listed per CSA C22.2 No. 94 (Type 3R), and NEMA Type 3R rated * Applications: Suitable for manufacturing, utilities, and outdoor installations where environmental protection is critical.
  • Captivated stainless steel cover screws thread into sealed wells
  • Oil-resistant gasket and adhesive
  • Seams continuously welded and ground smooth
  • No holes or knockouts
  • Grounding stud on inside back of box
  • 14 or 12 gauge G-90 grade galvanized steel bodies
  • 12 or 10 gauge G-90 grade galvanized steel covers

Specifications

Application
Power Distribution
Body Thickness
16 ga
Body Thickness
14 ga
Color
Unpainted
Cover Screw Quantity
8
Depth
13 IN
Depth
6 in
Depth, Maximum
6
Depth, Minimum
6
Door Thickness
10 ga
Door Thickness
14 ga
Finish
Galvanized
Height
44 IN
Height
20 in
IP Rating
IP66
Material
Steel
Material
Galvanized Steel
Material
Mild Steel;Steel
Modification Services
Yes
Nema Rating
Type 3
NEMA Rating
Type 3R
NEMA Rating
3
Protection Rating
NEMA Type 3
Size
20.00x16.00x6.00 in
Size
20.00x16.00x6.00 inches
Size
20.00x16.00x6.00
Type
Screw-Cover Pull Boxes Type 1/Type3
Type
Pull and Junction Boxes
Type Number
Type 4
Weight
29 lb
Width
406 mm
Width
16 IN
Package Dimensions (L x W x H)
20 IN x 16 IN x 6.5 IN
Package Dimensions (L x W x H)
50.8 cm x 40.64 cm x 16.51 cm
Package Weight (Imperial)
29.000 L
Package Weight (Metric)
13.154 kg
Screw-Cover Gasketed Type 3, 18.00x18.00x6.00, Galvanized, Steel

A18186GSC

Screw-Cover Gasketed Type 3, 18.00x18.00x6.00, Galvanized, Steel
The NEMA 4/4X/12 features a standard padlock-able feature with a single or (2) single point latches depending on the enclosure size. They are galvanealed steel coated. (Padlocks not included)

AB434

The NEMA 4/4X/12 features a standard padlock-able feature with a single or (2) single point latches depending on the enclosure size. They are galvanealed steel coated. (Padlocks not included)

How to Install the A20166GSC Controller

This guide provides step-by-step instructions for mounting and wiring the A20166GSC Controller securely.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Prepare mounting location

    Locate the mounting foot stud location using the provided dimensions. Use a center punch to mark the hole centers, and drill four 0.5 inch (13 mm) diameter holes.

  2. Install mounting feet

    Insert sealing washers into the drilled holes from the outside, ensuring the tapered cone faces the hole. Then, insert the mounting foot studs through the sealing washers.

  3. Secure the controller

    Turn the enclosure upright and thread nuts onto the mounting foot studs. Tighten the nuts to 200 in-lbs to secure the controller firmly in place.

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.