nVent MHC300150120 - Small GL66 Series Wall-Mount Enclosures, 300x150x120mm, Lt Gray, Steel
nVent

MHC300150120

UPC: 783510242381

Contact for Pricing

Overview

The nVent MHC300150120 Small GL66 Series Wall-Mount Enclosure is a premium-grade, corrosion-resistant solution designed for demanding industrial environments where protection and durability are paramount. Engineered by nVent, a global leader in thermal management and electrical protection solutions, this enclosure combines robust construction with sleek, modern aesthetics to deliver uncompromising performance in both indoor and outdoor applications. With a compact 300x150x120mm footprint, the MHC300150120 is ideal for housing sensitive electrical and electronic components while ensuring long-term reliability against harsh conditions. This enclosure is built to meet stringent IP66 and Type 12 standards, providing exceptional defense against dust ingress, water jets, and corrosive chemicals. The light-gray steel construction not only enhances visual appeal but also ensures superior resistance to environmental stressors, making it a preferred choice for industries such as manufacturing, oil and gas, telecommunications, and renewable energy. The external body flange design effectively prevents contaminants from entering the enclosure, while the removable hinges and quarter-turn latch with a 3mm double-bit insert offer secure, tamper-resistant closure—critical for safeguarding critical infrastructure. Professionals in industrial automation, process control, and facility management rely on nVent’s GL66 Series enclosures for their versatility and ease of installation. The conductive panel ensures proper grounding, reducing the risk of electrostatic discharge and electromagnetic interference, while the durable latch mechanism guarantees consistent performance even in high-vibration environments. Whether deployed in control panels, junction boxes, or sensor housings, this enclosure delivers the reliability needed to maintain operational continuity. nVent’s reputation for innovation and quality is underscored by their rigorous testing protocols and adherence to international standards. The MHC300150120 is no exception, featuring a steel construction that meets UL, CSA, and IEC certifications, ensuring compliance with global safety and performance requirements. Its modular design allows for easy integration with existing systems, while the light-gray finish provides a professional appearance that blends seamlessly into industrial settings. For engineers and procurement specialists seeking a high-performance, cost-effective enclosure solution, the nVent MHC300150120 Small GL66 Series Wall-Mount Enclosure stands out as a top-tier choice. Its combination of durability, security, and compliance makes it an indispensable component in modern industrial infrastructure, delivering peace of mind in even the most challenging environments.
  • Dimensions in millimeters
  • Manufactured from 1.4-mm thick steel (16 gauge)
  • Seams continuously welded and ground smooth
  • External formed body flange
  • Large perimeter body opening
  • Mounting holes in back of body for direct mounting or for optional external mounting brackets
  • Seamless foam-in-place gasket
  • Grounding stud on the body
  • Bonding provision on the door
  • Conductive panel included

Specifications

Application
Controls and Drives
Color
Light Gray
Color Code
RAL 7035
Depth
4.72
Depth
120
Finish
Powder Coated
Height
11.81 in
IP Rating
IP66
Material
Mild Steel
Material
Steel
Modification Services
Yes
Mounting
281 x 85 mm
Mounting
11.08 x 3.36 in
Mounting Type
Wall-mount
Nema Rating
Type 12
NEMA Rating
12 Indoor, dust-resistant
Panel
LP3015G
Panel Size
281 x 131 mm
Panel Size
7.13 x 5.16 in
Product Family
GL66
Protection Rating
NEMA Type 12
Series
GL66 Series
Size
300x150x120mm
Thickness
16
Thickness
1.52 mm
Type
Mild Steel Wall Mounted Industrial Enclosures
Weight
11.69 lb
Width
5.91 in
Package Dimensions (L x W x H)
11.79 IN x 5.89 IN x 4.71 IN
Package Dimensions (L x W x H)
29.9466 cm x 14.9606 cm x 11.9634 cm
Package Weight (Imperial)
11.690 L
Package Weight (Metric)
5.303 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
Escutcheon black type B for Sircover 125-630A

44095015

Escutcheon black type B for Sircover 125-630A
Escutcheon black type B for Sircover 125-630A IP65

44095016

Escutcheon black type B for Sircover 125-630A IP65
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.