nVent A42SA3210LP - Disconnect Enclosure without Handle Type 12, 42.00x31.38x10.00, Gray, Steel
nVent

A42SA3210LP

UPC: 783510329808

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Installation Instructions

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Overview

The nVent HOFFMAN Disconnect Enclosure Type 12 (SKU: A42SA3210LP) is a robust, general-purpose enclosure designed to house disconnect switches and circuit breakers in industrial and commercial applications. Engineered for durability and compliance, this enclosure meets Type 12 standards, providing protection against dust, falling dirt, and non-corrosive liquids—ideal for harsh environments where equipment integrity is critical. Constructed from high-quality steel with a durable gray powder-coated finish, the A42SA3210LP ensures long-lasting performance in facilities such as manufacturing plants, warehouses, data centers, and utility stations. Designed for versatility, the nVent HOFFMAN Disconnect Enclosure accepts major brand disconnect switches and circuit breakers widely available in the market, offering flexibility in system design and upgrades. The enclosure’s dimensions (42.00" x 31.38" x 10.00") provide ample internal space for component installation while maintaining a compact footprint for space-constrained installations. The absence of a handle simplifies integration into existing electrical systems, allowing for custom mounting configurations tailored to specific operational needs. Installation is streamlined thanks to the enclosure’s pre-drilled knockouts and mounting provisions, compatible with standard electrical hardware. The Type 12 rating ensures compliance with NEMA standards, safeguarding sensitive electrical components from environmental contaminants and accidental contact. Professionals in industries such as automation, HVAC, and renewable energy rely on nVent HOFFMAN enclosures for their reliability and adherence to safety protocols. nVent, a trusted leader in thermal management and electrical protection solutions, delivers products that meet the demands of modern industrial applications. The A42SA3210LP Disconnect Enclosure exemplifies this commitment, offering a cost-effective solution for protecting critical electrical infrastructure. Whether used in new construction or retrofits, this enclosure provides the durability and compatibility needed to support efficient, code-compliant electrical systems. Key applications include: - Industrial machinery control panels - Motor disconnect stations - HVAC system enclosures - Data center power distribution - Renewable energy installations For professionals seeking a dependable, market-compatible disconnect enclosure, the nVent HOFFMAN Type 12 Disconnect Enclosure (A42SA3210LP) delivers performance, compliance, and peace of mind in one rugged package.
  • Type 12 rated for dust and liquid resistance (NEMA 12 equivalent)
  • Accepts major brand disconnect switches and circuit breakers (not included)
  • 42.00" x 31.38" x 10.00" gray steel construction with powder coat finish
  • Pre-drilled knockouts and mounting provisions for easy installation
  • Ideal for industrial, commercial, and utility applications
  • Removable door with continuous hinge
  • Data pocket is high impact thermoplastic
  • Oil-resistant gasket
  • Collar studs for mounting optional panels
  • Holes in body and door for mounting disconnect operating handle, operating mechanism, and door hardware

Specifications

Application
Arc Flash Safety; Controls and Drives; Power Distribution
Color
Gray
Conductive Panel
A42P30G
Data Pocket Size
152 x 152 mm
Data Pocket Size
6.00 x 6.00 in
Depth
10 IN
Exterior Color
Gray
Exterior Color Code
ANSI 61
Finish
Powder Coated
Height
42 mm
Interior Color
White
IP Rating
IP65
Material
Steel
Material
Mild Steel
Modification Services
Yes
Nema Rating
Type 12
NEMA Rating
12 Indoor, dust-resistant
Panel
A42P30
Panel Size
991 x 686 mm
Panel Size
39.00 x 27.00 in
Protection Rating
NEMA Type 12
Series
nVent HOFFMAN Disconnect Enclosure
Size
42.00x31.38x10.00 in
Thickness
1.9 mm
Thickness
14 ga
Type
Mild Steel Wall Mounted Industrial Disconnect Enclosures
Type Number
Type 13
Weight
102 lb
Width
31.38
Width
797
With or Without Handle
Without
Package Dimensions (L x W x H)
42 IN x 32 IN x 10 IN
Package Dimensions (L x W x H)
106.68 cm x 81.28 cm x 25.4 cm
Package Weight (Imperial)
60.000 L
Package Weight (Metric)
27.216 kg
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 A42SA3210LP Disconnect Device

This guide provides step-by-step instructions for installing the A42SA3210LP disconnect device in a wall-mounted enclosure.

Estimated time: 45m

Tools needed:

Drill, Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors, Operating handle

  1. Drill mounting panel

    Drill the mounting panel according to the manufacturer's instructions for the disconnect device.

  2. Install operating handle

    Attach the operating handle to the enclosure flange using the provided holes. Follow the disconnect manufacturer's instructions for proper installation.

  3. Mount disconnect device

    Securely install the disconnect device onto the panel. Ensure to follow the manufacturer's instructions for installation and adjustment.

  4. Adjust door catch

    Adjust the door catch and bracket to ensure proper interlocking with the disconnect operating handle. Refer to the disconnect manufacturer's instructions for adjustments.

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.