nVent A42HS3712LP - Disconnect Enclosure with Clamps Type 4, 42.00x37x12.00, Gray, Steel
nVent

A42HS3712LP

UPC: 783510201708


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Installation Instructions

Contact for Pricing

Overview

The nVent A42HS3712LP is a robust Type 4 disconnect enclosure designed for demanding industrial applications. Constructed from durable steel with a corrosion-resistant ANSI 61 gray finish, this enclosure measures 42 inches in height, 37 inches in width, and 12 inches in depth. Its clamp-secured door, featuring a three-sided clamping mechanism, ensures a tight seal, effectively protecting internal components from liquid ingress and airborne contaminants. This enclosure meets stringent industry standards including UL 508A, cUL, NEMA Type 3/4/12/13, and IEC 60529 IP66, making it suitable for environments requiring washdown capabilities, high humidity, or exposure to corrosive conditions. The design accommodates major brand disconnect switches and circuit breakers with a preferred cutout. Features include external welded-on mounting brackets for straightforward installation, a removable door with a continuous hinge, and collared studs for optional panel mounting. Manufactured in the US, the A42HS3712LP provides reliable protection for disconnect switches, circuit breakers, and control devices in sectors such as chemical processing, food and beverage, and water treatment facilities.
  • Seams continuously welded and ground smooth
  • External mounting brackets
  • External-formed flange around all sides of enclosure opening
  • Stainless steel door clamps on three sides of door
  • Removable door with continuous hinge
  • Type 4 rated door gasket
  • Collar studs for mounting optional panels
  • Holes in body for mounting disconnect operating handle and operating mechanism
  • Bonding provision on door
  • Adjustable door interlock bracket fastened to door) and instructions for installing disconnects

Specifications

Application
Arc Flash Safety;Controls and Drives;Power Distribution
Application
Power Distribution; Arc Flash Safety; Controls and Drives
Clamp Quantity
10
Color
Gray
Color Code
ANSI 61
Conductive Panel
A42P36G
Data Pocket Size
12.00 x 12.00 in
Depth
305 mm
Depth
12
Finish
Powder Coated
Height
1,067 mm
Height
42 mm
IP Rating
IP66
Material
Mild Steel
Material
Steel
Modification Services
Yes
NEMA Rating
4
Nema Rating
Type 4
NEMA Rating
4 Watertight
Panel
A42P36
Panel Size
39.00 x 33.00 in
Panel Size
991 x 838 mm
Protection Rating
NEMA Type 4
Size
42.00x37.00x12.00 inches
Size
42.00x37.38x12.00 in
Thickness
51.40mm (2.024")
Thickness
1.9 mm
Thickness
14 ga
Type
Mild Steel Wall Mounted Industrial Disconnect Enclosures
Type Number
Type 4
Weight
87 lb
Width
37.38
Width
949
Width
949 mm
Package Dimensions (L x W x H)
47 IN x 39 IN x 14 IN
Package Dimensions (L x W x H)
119.38 cm x 99.06 cm x 35.56 cm
Package Weight (Imperial)
147.000 L
Package Weight (Metric)
66.679 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 A42HS3712LP Disconnect Device

This guide provides step-by-step instructions for installing the A42HS3712LP disconnect device securely on a mounting panel.

Estimated time: 45m

Tools needed:

Drill, Screwdriver

Supplies needed:

Mounting screws, Operating handle, Door catch

  1. Drill mounting panel

    Drill the mounting panel according to the manufacturer’s instructions for the disconnect device to ensure proper fit and clearance.

  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, adhering to the manufacturer’s installation and adjustment instructions.

  4. Adjust door catch

    Adjust the door catch and door catch bracket as necessary to ensure proper interlock with the disconnect operating handle, following the handle manufacturer’s instructions.

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.