nVent ASG18X18X12NK - Screw-Cover Enclosure Type 1 no Knockouts, 18x18x12, Galvanized, Steel
nVent

ASG18X18X12NK

UPC: 783510499693

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Overview

The nVent Screw-Cover Enclosure Type 1 (SKU: ASG18X18X12NK) is a premium galvanized steel junction or pull box designed for commercial and general industrial applications requiring durable, reliable electrical protection. Engineered with a screw-cover design, this enclosure provides secure access while maintaining Type 1 ingress protection against dust and incidental contact, making it ideal for environments where safety and durability are paramount. The 18x18x12 inch dimensions offer ample internal space for wiring, splicing, and junction connections, while the absence of knockouts ensures a clean, customizable installation tailored to specific project requirements. This enclosure is constructed from high-quality galvanized steel, ensuring superior corrosion resistance and longevity in demanding industrial settings. The galvanized finish not only enhances durability but also provides a cost-effective solution for both indoor and outdoor applications where exposure to moisture or harsh conditions is a concern. As part of nVent’s trusted electrical enclosure portfolio, the ASG18X18X12NK benefits from the manufacturer’s reputation for innovation, quality, and compliance with industry standards, including UL and NEMA certifications. Typical applications for the nVent Screw-Cover Enclosure Type 1 include commercial buildings, manufacturing facilities, data centers, healthcare environments, and infrastructure projects where reliable electrical distribution and junction points are critical. Professionals in electrical contracting, system integration, and facility management rely on this enclosure for its versatility, ease of installation, and compatibility with a wide range of accessories. The screw-cover design allows for quick access during maintenance or reconfiguration, reducing downtime and operational disruptions. Installation is straightforward, with options for surface or flush mounting depending on project specifications. The enclosure’s robust construction supports heavy-duty wiring and cable management, while its compact yet spacious design optimizes space utilization in control panels, electrical rooms, or distribution closets. nVent offers a variety of accessories, such as mounting brackets and extension rings, to further customize the enclosure for specific applications, ensuring seamless integration into any electrical system. Choosing the nVent Screw-Cover Enclosure Type 1 means selecting a product backed by decades of engineering expertise and a commitment to safety and performance. Whether for new construction, retrofits, or upgrades, this enclosure delivers the reliability and flexibility needed to meet the evolving demands of modern electrical infrastructure. Trusted by professionals worldwide, nVent’s enclosures are a cornerstone of efficient, code-compliant electrical installations.
  • Unique keyhole screw slots in the cover
  • Available with or without knockouts
  • Various sizes of easy-to-remove concentric knockouts on all four sides of standard boxes with knockouts
  • Optional flush-mounted door frame available
  • Optional flush covers
  • Flat, removable covers fastened with plated steel screws
  • Provision for grounding
  • Mounting holes on back of box
  • Enclosures are finished with paint over plated surfaces

Specifications

Application
Power Distribution
Body Thickness
16 ga
Color
Unpainted
Color Code
ANSI 61
Cover Screw Quantity
4
Depth
13 IN
Depth
12 in
Depth, Maximum
12
Depth, Minimum
12
Door Thickness
14 ga
Door Thickness
16 ga
Finish
Galvanized
Height
44 IN
Height
18 IN
IP Rating
IP30
Knockouts Included
No
Material
Mild Steel;Steel
Material
Steel
Modification Services
Yes
NEMA Rating
1
Protection Rating
NEMA Type 1
Size
18.00x18.00x12.00 in
Style
Galvanized
Type
Screw-Cover Pull Boxes Type 1/Type3
Type
Pull and Junction Boxes
Type Number
Type 1
Weight
25.84 lb
Width
457 mm
Width
18 IN
Package Dimensions (L x W x H)
18 IN x 18 IN x 12 IN
Package Dimensions (L x W x H)
45.72 cm x 45.72 cm x 30.48 cm
Package Weight (Imperial)
25.840 L
Package Weight (Metric)
11.721 kg
Screw-Cover Enclosure Type 1 no Knockouts, 18x18x10, Galvanized, Steel

ASG18X18X10NK

Screw-Cover Enclosure Type 1 no Knockouts, 18x18x10, Galvanized, Steel
NEMA 1 Enclosures are available with 3 fronts. The blank end walls are standard, and knockouts are available optionally.

AB55B

NEMA 1 Enclosures are available with 3 fronts. The blank end walls are standard, and knockouts are available optionally.

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.