nVent A72CPX7218LP - , Bulletin A21 (Two-Door Type 12 Disconnect Enclosures - Two-Door Type 12 Enclosures for Flange-Mounted Disconnects - on the Center Post) ex4
nVent

A72CPX7218LP

UPC: 783510272005

Contact for Pricing

Overview

The nVent Bulletin A21 Two-Door Type 12 Flange-Mounted Disconnect Enclosure (SKU: A72CPX7218LP) delivers robust protection for critical electrical components in demanding industrial environments. Designed to house flange-mounted disconnect switches, this enclosure ensures reliable operation while safeguarding against environmental hazards such as dust, dirt, and non-pressurized water ingress. Engineered with a Type 12 NEMA rating, it meets stringent industrial standards for ingress protection, making it an essential component for facilities where equipment longevity and safety are paramount. Key features of the nVent Bulletin A21 enclosure include its two-door design, which provides unparalleled access for maintenance, inspection, and component replacement without disrupting adjacent systems. The flange-mounted configuration ensures stable and secure installation, particularly in applications where vibration, shock, or mechanical stress are concerns. This design also facilitates easier cable management and routing, reducing installation time and complexity for electrical contractors and system integrators. Industries that rely on the Bulletin A21 enclosure include manufacturing plants, water treatment facilities, food and beverage processing, automotive production lines, and commercial buildings with heavy-duty electrical infrastructure. Typical applications span motor control centers, power distribution panels, machine tool enclosures, and industrial automation systems. The enclosure’s construction from high-strength steel with a durable powder-coated finish ensures resistance to corrosion, chemicals, and physical impact, extending its service life even in the most challenging conditions. Professionals select the nVent Bulletin A21 for its compatibility with a wide range of disconnect switches and its adherence to UL and NEMA standards, ensuring compliance with local and international electrical codes. The center-post mounting configuration allows for symmetrical distribution of components, optimizing space utilization within control panels. Additionally, the enclosure’s design accommodates optional accessories such as gland plates, louvers, and mounting hardware, enhancing its versatility for custom configurations. nVent, a global leader in electrical solutions, is trusted by engineers and facility managers for products that combine innovation, durability, and compliance with industry regulations. With a legacy of delivering high-performance enclosures, nVent’s Bulletin A21 series exemplifies the company’s commitment to providing reliable, long-lasting solutions for industrial electrical protection. Whether deployed in new installations or retrofits, this enclosure ensures operational continuity and safety, reducing downtime and maintenance costs over its lifecycle.
  • Type 12 NEMA-rated enclosure for dust, dirt, and dripping water protection
  • Two-door design for easy access and maintenance
  • Flange-mounted configuration for secure and stable installation
  • High-strength steel construction with durable powder-coated finish
  • Compatible with flange-mounted disconnect switches for industrial applications

Specifications

Mounting Type
Flange-Mounted
Nema Rating
Type 12
Series
Bulletin A21
Package Dimensions (L x W x H)
29 IN x 22 IN x 13.5 IN
Package Dimensions (L x W x H)
73.66 cm x 55.88 cm x 34.29 cm
Package Weight (Imperial)
31.400 L
Package Weight (Metric)
14.243 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.
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
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
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
External operation handle 0-1 type S01 Red Nema 4,4x

140E2911

External operation handle 0-1 type S01 Red Nema 4,4x
Escutcheon black type B for Sircover 125-630A

44095015

Escutcheon black type B for Sircover 125-630A
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
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

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.