nVent MHC300250150SS - GL66 Terminal Box 1/4 Turn Latch Type 4X, 300x250x150mm, Brushed, SS 304
nVent

MHC300250150SS

UPC: 783510264727

Contact for Pricing

Overview

The nVent GL66 Terminal Box (SKU: MHC300250150SS) is engineered for robust protection and sophisticated functionality in demanding industrial environments. Manufactured by nVent, a trusted leader in electrical enclosure solutions, this Type 4X rated enclosure offers superior resistance to corrosion, water, and contaminants, making it an ideal choice for both indoor and outdoor applications. Its sleek, brushed Type 304 stainless steel construction not only provides exceptional durability but also presents an attractive aesthetic, fulfilling the need for enclosures where both style and performance are paramount. The GL66 Terminal Box is designed with user-friendliness and security in mind. The external body flange acts as a critical barrier, effectively preventing the ingress of dust, dirt, and liquids, thereby safeguarding sensitive electrical components within. The door features a strong, reliable construction and is equipped with removable hinges, allowing for flexible installation and maintenance access. For secure closure and tamper resistance, the enclosure utilizes a quarter-turn latch mechanism, operated by a standard 3mm double-bit insert. This ensures a tight seal and peace of mind for critical infrastructure. Key features of the nVent GL66 Terminal Box include: * **Premium Material:** Constructed from high-grade Type 304 stainless steel for outstanding corrosion resistance, suitable for harsh chemical and wet environments. * **Type 4X Rating:** Provides superior protection against water ingress and corrosion, ensuring operational integrity in challenging conditions. * **Secure Latching:** Features a robust 1/4 turn latch with a 3mm double-bit insert for secure and reliable door closure. * **Contaminant Prevention:** An external body flange effectively seals out dust, dirt, and liquids. * **Versatile Design:** Brushed finish offers an appealing look, suitable for applications where aesthetics are important alongside functionality. * **Removable Hinges:** Facilitate easier installation, maintenance, and access to the enclosure's interior. This enclosure is particularly well-suited for a wide range of industries including chemical processing, food and beverage, water and wastewater treatment, pharmaceuticals, and general manufacturing. Its dimensions of 300x250x150mm provide ample space for terminal blocks, small control devices, and other electrical components. The UNSPSC code 39121324 categorizes this product within electrical equipment and accessories, highlighting its role in essential electrical infrastructure. Professionals choose nVent for their commitment to quality, innovation, and reliable performance, ensuring that critical electrical systems are protected and operational, even in the most demanding settings. The Canadian origin (CA) further underscores its adherence to stringent manufacturing standards.
  • Removable hinges and double-bit latch insert
  • Dimensions in millimeters
  • Manufactured from Type 304 14 and 16 gauge stainless steel; 16 gauge doors and 14 gauge bodies
  • Type 316 stainless steel hinge pins
  • Seams continuously welded and ground smooth
  • External formed 90 degree 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

Specifications

Body Thickness
1.98 mm
Body Thickness
14 ga
Color
Unpainted
Depth
5.91 in
Door Thickness
1.59 mm
Door Thickness
16 ga
Finish
Brushed #3
Height
11.81 in
IP Rating
IP66
Material
Stainless Steel 304
Modification Services
Yes
Mounting
11.08 x 7.30 in
Mounting
281 x 185 mm
NEMA Rating
12 Indoor, dust-resistant
Panel
LP3025G
Panel Size
281 x 231 mm
Panel Size
11.06 x 9.10 in
Product Family
GL66
Protection Rating
NEMA Type 12
Type
Stainless Steel Wall Mounted Industrial Enclosures
Weight
13.2 lb
Width
9.84 in
Package Dimensions (L x W x H)
12.2 IN x 10.6 IN x 6.6 IN
Package Dimensions (L x W x H)
30.988 cm x 26.924 cm x 16.764 cm
Package Weight (Imperial)
13.200 L
Package Weight (Metric)
5.988 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.