nVent CP3740 - Door Panel for Concept HMI Enclosure, fits 37.00x40.00, White, Steel
nVent

CP3740

UPC: 783510167684


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Installation Instructions

Contact for Pricing

Overview

The nVent Concept HMI Enclosure Door Panel (SKU: CP3740) is a precision-engineered steel panel designed for secure rear door mounting in industrial HMI (Human-Machine Interface) enclosures. Manufactured by nVent, a global leader in thermal management and electrical protection solutions, this white steel panel delivers durability, corrosion resistance, and compatibility with the Concept series enclosures for seamless integration in demanding industrial environments. Engineered to meet ANSI 61 Gray or RAL 7035 Light Gray finish standards, the CP3740 panel ensures consistent performance across manufacturing plants, automation systems, and control rooms where operator interfaces are critical to operational efficiency. Designed for the Concept HMI Enclosure series, this door panel features a 37.00 x 40.00 inch (940 x 1016 mm) mounting footprint, providing a clean, professional appearance while maintaining structural integrity. The steel construction—typically 14 gauge—offers robust protection against physical impact, dust, and moisture ingress, making it ideal for use in harsh industrial settings such as food processing, chemical plants, water treatment facilities, and automotive manufacturing. The rear door mounting configuration allows for easy access to internal components during maintenance or upgrades, reducing downtime and improving system reliability. nVent’s Concept series enclosures are widely recognized in the industrial automation sector for their modular design, high-quality materials, and compliance with international safety standards. The CP3740 panel is part of this trusted lineup, ensuring seamless compatibility with other Concept components, including mounting brackets, latches, and ventilation solutions. Whether used in single-door or two-door configurations, this panel supports efficient cable management and clear operator visibility, enhancing both functionality and ergonomics in control stations. Industries that benefit from the CP3740 include oil and gas, pharmaceuticals, renewable energy, and logistics, where reliable HMI interfaces are essential for monitoring and controlling complex processes. The white finish not only meets aesthetic requirements but also reflects heat, reducing thermal load in enclosures exposed to high ambient temperatures. Installation is straightforward, with pre-drilled mounting holes aligned to the Concept enclosure’s standard dimensions, ensuring a precise fit without the need for custom fabrication. As a product from nVent—a company with over a century of expertise in electrical and thermal solutions—the CP3740 embodies reliability, innovation, and compliance with industry regulations. Professionals in industrial automation, electrical engineering, and facility management trust nVent for solutions that prioritize safety, performance, and longevity. By choosing the CP3740 door panel, engineers and technicians gain a cost-effective, high-quality component that enhances the functionality and longevity of their HMI enclosures while supporting long-term operational goals.
  • Door panel is optional
  • Mounting hardware is included
  • White finish (ANSI 61 Gray or RAL 7035 Light Gray) for heat reflection and aesthetics
  • 14-gauge steel construction for durability and corrosion resistance
  • Seamless compatibility with Concept series enclosures for modular HMI solutions

Specifications

Application
Controls and Drives
Color
White
Finish
Powder Coated
Gauge
14 ga
Height
10.1 in
Height
257 mm
Material
Mild Steel
Material
Steel
Modification Services
Yes
Product Family
Concept
Size
fits 37.00x40.00 in
Thickness
14 ga
Thickness
1.9 mm
Thickness
51.40mm (2.024")
Type
Steel
Type
Industrial Panels and Panel Accessories
Weight
2.5 lb
Width
11.11 in
Width
282 mm
Works With
NEMA
Package Dimensions (L x W x H)
17 IN x 13.5 IN x 0.25 IN
Package Dimensions (L x W x H)
43.18 cm x 34.29 cm x 0.635 cm
Package Weight (Imperial)
2.500 L
Package Weight (Metric)
1.134 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 CP3740 Controller

This guide provides step-by-step instructions for mounting, wiring, and configuring the CP3740 Controller.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Mount the controller

    Secure the CP3740 controller to the DIN rail using the integrated clips. Ensure the controller is level and firmly attached.

  2. Connect the power supply

    Use terminal connectors to connect the power supply wires to the designated terminals on the CP3740. Verify that the connections are secure.

  3. Configure the controller settings

    Power on the CP3740 and use the interface to navigate to the configuration menu. Set the desired parameters according to your application requirements.

  4. Calibrate the controller

    Follow the calibration procedure outlined in the user manual to ensure accurate readings and performance. Use a multimeter to verify output signals.

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.