Eaton Crouse-Hinds CHMM1 Mounting Module Adapter - IP66
Part Number: CHMM1
Quick Summary
CHMM1 is a mounting module adapter for VMVL/PVML fixtures, designed for retrofit in challenging industrial lighting systems. It helps minimize downtime and compatibility risk when upgrading to Appleton MercMaster III fixtures, especially in tight ceilings or hazardous locations. The unit carries IP66 and NEMA 4X protection, plus NEC/CEC and hazardous-location approvals (Class I, Division 2; Class II, Division 1; Class III) to support compliant installations. Copper-free aluminum construction reduces weight and corrosion potential, while the 14 x 14 x 3 in footprint facilitates straightforward retrofits. For procurement teams, the adapter offers predictable performance, reduced spares, and a clear upgrade path for expanding compliant lighting in harsh environments.
Product Information
Extended Description
CHMM1 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Champ VMVL/PVML mounting module adapter, Copper-free aluminum, To retrofit to Appleton MercMaster III fixtures
Product Name
Eaton Crouse-Hinds series Champ VMVL/PVML mounting module adapter
Catalog Number
CHMM1
Product Length/Depth
14 in
Product Height
3 in
Product Width
14 in
Product Weight
2.6 lb
UPC
662276438385
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 2 Class II, Division 1 Class III
NEMA Rating
4X
Ingress protection (IP) ratings
IP66
Type
To retrofit to Appleton MercMaster III fixtures
Material
Copper-free aluminum
Mounting Adapters for VMV and VMVL flyer
Crouse-Hinds series CHMM Mounting Adapters catalog page
IF 1682 - CHMM1 Top Hat Adapter
Eaton Specification Sheet - CHMM1
Copper-free aluminum construction provides a lighter, corrosion-resistant housing, enabling easier handling during field retrofits and longer service life in damp or dusty environments. This translates to reduced maintenance costs and fewer site delays when upgrading VMV/PVML fixtures to MercMaster III installations. The IP66 and NEMA 4X ratings protect the mounting module adapter in harsh industrial settings, delivering reliable operation in moisture, dust, or washdown environments and supporting compliant retrofits in hazardous locations. With NEC/CEC conformity and explicit hazardous-location approvals (Class I, Division 2; Class II, Division 1; Class III), CHMM1 minimizes risk during installation and ensures code-compliant performance for critical facilities. Compatibility with Appleton MercMaster III fixtures and VMV/VMVL systems streamlines project timelines, while the documented installation resources reduce commissioning time and rework. This combination supports safer, faster upgrades with predictable outcomes for engineers and procurement teams.
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FAQs
CHMM1 is designed as a VMVL/VMV mounting adapter intended to retrofit Appleton MercMaster III fixtures. It fits VMV and VMVL mounting configurations, simplifying upgrades in existing lighting layouts while preserving enclosure integrity and mounting geometry.
CHMM1 carries IP66 and NEMA 4X protection, NEC/CEC compliance, and hazardous-location approvals including Class I Division 2, Class II Division 1, and Class III. These certifications support safe operation in demanding environments and help ensure regulatory conformance during retrofits.
Yes. CHMM1 is approved for Hazardous/Classified Locations with Class I Division 2, Class II Division 1, and Class III ratings, enabling reliable operation in environments that require strict electrical safety and enclosure protection.
CHMM1 provides a copper-free aluminum housing that reduces weight, aiding handling and installation. Its compatibility with MercMaster III fixtures and VMV/VMVL systems, plus access to installation sheets and brochures, helps shorten commissioning timelines and minimize field rework.
The CHMM1 adapter measures 14 inches in length, 14 inches in width, and 3 inches in height, with an approximate weight of 2.6 pounds. The UPC is 662276438385, and it is designed to fit standard MercMaster III retrofit scenarios without requiring extensive structural changes.