Authorized nVent Distributor
nVent VM-CTHS73 - VM Hinged Window Kit, Transparent, Unpainted, Polycarbonate, VM-CTHS73

nVent VM-CTHS73 VM Hinged Window Kit, Transparent, Unpainted, Polycarbonate, VM-CTHS73

UPC: 635394551243


Documents & Media
Installation InstructionsSpecification Sheet

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The nVent VM-CTHS73 Hinged Window Kit adds a transparent polycarbonate window to VM Enclosure covers, enabling visibility and controlled airflow without compromising protection. This kit includes a 227x120mm (8.94in x 4.72in) window for clear monitoring of internal components in industrial enclosures. Constructed from durable, unpainted polycarbonate, the VM-CTHS73 resists chemicals, UV exposure, and temperature extremes while maintaining optical clarity. The hinged design allows quick access for maintenance or inspections without removing the entire enclosure cover, reducing downtime. Installation requires drilling holes in the cover using provided templates for proper hinge placement. Compatible with VM Enclosure systems, this kit is ideal for control panels, electrical enclosures, automation systems, and machinery housings where operational transparency is critical. Common applications include manufacturing, oil and gas, utilities, transportation, and commercial facilities.
  • To attach hinges, holes must be drilled in the cover
  • Templates are provided for proper placement
  • 227x120mm (8.94in x 4.72in) window size with unpainted finish
  • Resists chemicals, UV exposure, and temperature extremes
  • Includes templates for proper hinge placement and drilling

Specifications

Application
Controls and Drives; Corrosive Environments
Color
Transparent
Color
Unpainted
Finish
Transparent
Ip Rating
IP66/IP67
Material
Polycarbonate
Mounting Type
Hinged
Nema Rating
NEMA Type
Series
VM
Type
Other Accessories
Weight
0.29 lb
Works With
NEMA
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HMI HMISTU855

WHMISTU855

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CMT3102X 10" HMI DEMO

16280729

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STANDARD PANEL PGM-HMI-VO-ENCL WEG specifications: Panel type Control panel; Horsepower (HP) Not Applicable; Main voltage 120 V; Bypass type None; Enclosure rating Type 4

PGM-HMI-VO-ENCL

STANDARD PANEL PGM-HMI-VO-ENCL WEG specifications: Panel type Control panel; Horsepower (HP) Not Applicable; Main voltage 120 V; Bypass type None; Enclosure rating Type 4
VM Hinge Kit, Mill, Unpainted, VMHINGE-KIT

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HMI 884501

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How to Install the VM-CTHS73 VM Series Non-Metallic Enclosure

Installation guide for mounting the VM-CTHS73 VM Series Non-Metallic Enclosure.

Estimated time: 30m

Tools needed:

Drill, Level, Screwdriver, Measuring tape

Supplies needed:

Mounting hardware (screws, anchors), Gasket (if applicable), Sealing compound (for cable entries)

  1. Select Mounting Location

    Choose a suitable location for the enclosure. Ensure the mounting surface is flat, stable, and can support the weight of the enclosure and its contents. Consider environmental factors and accessibility for maintenance. Refer to the datasheet for specific environmental ratings and limitations.

  2. Prepare Mounting Surface

    Using a measuring tape and level, mark the desired mounting points on the surface. Drill pilot holes if necessary, and install appropriate anchors if mounting to a hollow surface. Ensure the mounting holes are aligned with the enclosure's mounting flanges or brackets.

  3. Mount the Enclosure

    Position the VM-CTHS73 enclosure against the prepared mounting surface, aligning the mounting holes. Secure the enclosure using appropriate mounting hardware (screws, bolts). Ensure the enclosure is level and firmly attached. Do not overtighten fasteners, as this may damage the enclosure.

  4. Install Gasket and Seal Cable Entries

    If the enclosure comes with a gasket, ensure it is properly seated in the groove to maintain the IP66 rating. For any cable entries, use appropriate sealing methods (e.g., sealing compound, cable glands) to maintain the enclosure's integrity and prevent ingress of dust or water. Refer to the product's specific instructions for cable entry methods.

  5. Verify Installation

    Visually inspect the mounted enclosure to ensure it is secure and properly sealed. Check that all fasteners are tightened appropriately and that the enclosure door can be opened and closed smoothly. Confirm that the enclosure meets the required ingress protection rating (IP66).

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.