Authorized nVent Distributor
nVent M1200800300GSS - GL66 Wallmount 1/4 Turn Latch Type 4X, 1200x800x300mm, Brushed, SS 304
nVent

M1200800300GSS

UPC: 783510268046

Documents & Media
Installation Instructions

Contact for Pricing

Overview

Introducing the nVent GL66 Wallmount Enclosure, a robust Type 4X stainless steel solution designed for demanding industrial environments where durability, corrosion resistance, and security are paramount. Engineered with Type 304 stainless steel, this enclosure (SKU: M1200800300GSS) delivers exceptional protection against harsh chemicals, moisture, and outdoor elements, making it ideal for both indoor and outdoor applications across a wide range of industries. The brushed finish not only enhances aesthetics but also resists fingerprints and scratches, ensuring a professional appearance in critical installations. This enclosure features a quarter-turn latch with a 3mm double-bit insert, providing a secure closure that deters unauthorized access while allowing quick and easy access for maintenance personnel. The external body flange design effectively prevents contaminants—such as dust, water, and corrosive substances—from entering the enclosure, safeguarding sensitive electrical or electronic components housed within. The removable hinges enable straightforward installation and servicing, reducing downtime in mission-critical operations. Manufactured by nVent, a global leader in thermal management and electrical protection solutions, the GL66 series reflects decades of engineering excellence and adherence to stringent industry standards. nVent’s reputation for reliability is backed by comprehensive testing and certifications, ensuring these enclosures meet or exceed Type 4X requirements for protection against hose-directed water, dust ingress, and corrosion. Typical applications include industrial automation panels, telecommunications hubs, chemical processing facilities, water treatment plants, and outdoor electrical installations where environmental resilience is non-negotiable. Professionals choose the GL66 Wallmount Enclosure for its combination of strength, functionality, and compliance with regulatory standards. The 1200x800x300mm dimensions provide ample internal space for complex control systems, while the Type 304 stainless steel construction ensures long-term performance in corrosive or high-moisture environments. Installation is simplified with pre-drilled mounting holes and a design optimized for wall-mounting, reducing labor costs and accelerating deployment. Whether deployed in a manufacturing plant, a renewable energy site, or a coastal industrial facility, the nVent GL66 Wallmount Enclosure delivers uncompromising protection and operational efficiency. Trusted by engineers and facility managers worldwide, this enclosure is a cornerstone solution for protecting critical infrastructure in the most challenging conditions.
  • Removable hinges and double-bit latch insert
  • Dimensions in millimeters
  • Minimum-width body flange provides maximum body opening
  • Pre-cut gland plate openings in the bottom of the enclosure with a seal to ensure protection
  • External formed 90 degree body flange
  • Door opens 210 degrees
  • Mounting holes in back of body for direct mounting or for optional external mounting brackets
  • Type 316 stainless steel hinge pins
  • Corner-formed doors are easily removed by pulling clip-style hinge pins
  • Quarter-turn latches furnished with 3mm double-bit insert

Specifications

Application
Controls and Drives; Corrosive Environments; Hygienic Environments
Body Thickness
1.98 mm
Body Thickness
14 ga
Color
Unpainted
Color
Brushed
Depth
11.81 in
Door Thickness
1.98 mm
Door Thickness
14 ga
Finish
Brushed #3
Gland Plate Quantity
2
Height
47.24 in
IP Rating
IP66
Material
Stainless Steel 304
Material
SS 304
Modification Services
No
NEMA Rating
12 Indoor, dust-resistant
Nema Rating
Type 4X
Panel Size
1155 x 755 mm
Panel Size
45.47 x 29.72 in
Product Family
GL66
Protection Rating
NEMA Type 12
Series
GL66
Size
1200x800X300mm
Type
Stainless Steel Wall Mounted Industrial Enclosures
Weight
165 lb
Width
31.5 in
Package Dimensions (L x W x H)
53.25 IN x 33.25 IN x 13 IN
Package Dimensions (L x W x H)
135.255 cm x 84.455 cm x 33.02 cm
Package Weight (Imperial)
165.000 L
Package Weight (Metric)
74.844 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

How to Install the M1200800300GSS Controller

This guide provides step-by-step instructions for installing and configuring the M1200800300GSS Controller on a DIN rail.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Mount the controller

    Secure the M1200800300GSS Controller to the DIN rail using the integrated clips. Ensure the controller is level and firmly attached.

  2. Connect the power supply

    Use wire connectors to connect the power supply wires to the designated terminals on the controller. Verify the polarity before making connections.

  3. Configure the controller settings

    Access the configuration menu via the controller interface. Set the necessary parameters according to your application requirements.

  4. Calibrate the controller

    Perform calibration by following the on-screen instructions. Use a multimeter to verify output signals during the calibration process.

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.