nVent MHC300300120 - Small GL66 Series Wall-Mount Enclosures, 300x300x120mm, Lt Gray, Steel
nVent

MHC300300120

UPC: 783510242435

Contact for Pricing

Overview

The nVent GL66 Series Wall-Mount Enclosure, SKU MHC300300120, offers a robust and stylish solution for protecting sensitive electrical and electronic components in demanding industrial environments. Engineered by nVent, a trusted leader in enclosure solutions, this compact 300x300x120mm unit is constructed from durable steel with a sleek, light gray finish, providing both aesthetic appeal and superior protection. Its IP66 rating ensures exceptional resistance to dust ingress and high-pressure water jets, making it an ideal choice for both indoor and outdoor applications where corrosion protection from chemicals and water is paramount. Designed with functionality and security in mind, the GL66 enclosure features an external body flange that effectively prevents contaminants from entering the enclosure, safeguarding the internal equipment. The strong, hinged door is engineered for durability and ease of access, featuring removable hinges for convenient installation and maintenance. For secure closure and tamper prevention, the door is equipped with a robust quarter-turn latch operated by a standard 3mm double-bit insert. This ensures that the enclosure remains securely fastened, even in environments prone to vibration or unauthorized access. Internally, the enclosure includes a conductive panel, which is crucial for grounding and ensuring the integrity of the electrical system within. This feature is vital for applications requiring effective electromagnetic interference (EMI) shielding or static discharge protection. The compact dimensions of the 300x300x120mm enclosure make it suitable for a wide range of space-constrained applications, including control panels, junction boxes, and housing for smaller automation components. Key features and benefits of the nVent GL66 Series Wall-Mount Enclosure include: * **Superior Environmental Protection:** IP66 rating provides excellent defense against dust and water, suitable for harsh conditions. * **Durable Construction:** Made from high-quality steel with a corrosion-resistant light gray finish for longevity. * **Enhanced Security:** Quarter-turn latch with 3mm double-bit insert and a strong door with removable hinges ensure secure access control. * **Contaminant Prevention:** External body flange effectively seals out dust, dirt, and liquids. * **Integrated Grounding:** Conductive internal panel facilitates proper electrical grounding and potential EMI mitigation. * **Versatile Applications:** Ideal for housing electrical controls, instrumentation, and communication equipment in industrial, commercial, and outdoor settings. * **Streamlined Aesthetics:** Modern styling complements contemporary industrial designs. This enclosure is manufactured in Canada (CA), reflecting a commitment to quality and reliable sourcing. Whether you are deploying automation systems, control logic, or critical monitoring equipment, the nVent GL66 Series enclosure provides the reliable protection your components need to perform optimally and maintain their operational lifespan. Its thoughtful design, combined with nVent's reputation for excellence in enclosure technology, makes it a dependable choice for professionals seeking high-performance protection for their valuable electrical infrastructure.
  • 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
Lt Gray
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 235 mm
Mounting
11.08 x 9.27 in
Mounting Type
Wall-mount
NEMA Rating
12 Indoor, dust-resistant
Panel
LP3030G
Panel Size
281 x 281 mm
Panel Size
11.06 x 11.06 in
Product Family
GL66
Protection Rating
NEMA Type 12
Series
GL66
Size
300x300x120mm
Thickness
1.52 mm
Thickness
16
Type
Mild Steel Wall Mounted Industrial Enclosures
Weight
12.9 lb
Width
11.81 in
Package Dimensions (L x W x H)
12.7 IN x 12.4 IN x 5.7 IN
Package Dimensions (L x W x H)
32.258 cm x 31.496 cm x 14.478 cm
Package Weight (Imperial)
12.900 L
Package Weight (Metric)
5.851 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.