Eaton Crouse-Hinds CHMM2 Champ VMVL/PVML Adapter - IP66
Part Number: CHMM2
Quick Summary
CHMM2 is a mounting module adapter that retrofits VMVL/PVML fixtures for hazardous-location lighting. Many engineers struggle with compatibility and downtime when upgrading legacy fixtures in harsh environments. It carries NEC/CEC compliance and hazardous-location ratings, plus NEMA 4X and IP66 protection for reliable operation. Designed for retrofit projects, it delivers faster installs, consistent performance, and long-term cost savings for facilities managing critical lighting. The copper-free aluminum construction reduces weight and corrosion risks, while its footprint supports seamless compatibility with Appleton MercMaster II fixtures, enabling efficient modernization of existing infrastructure.
Product Information
Extended Description
CHMM2 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Champ VMVL/PVML mounting module adapter, Copper-free aluminum, To retrofit to Appleton MercMaster II fixtures
Product Name
Eaton Crouse-Hinds series Champ VMVL/PVML mounting module adapter
Catalog Number
CHMM2
Product Length/Depth
11.65 in
Product Height
3.1 in
Product Width
10.16 in
Product Weight
2.5 lb
UPC
662276962972
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 II fixtures
Material
Copper-free aluminum
Mounting Adapters for VMV and VMVL flyer
Crouse-Hinds series CHMM Mounting Adapters catalog page
IF 1915 - CHMM2 Top Hat Adapter
Eaton Specification Sheet - CHMM2
Copper-free aluminum construction reduces corrosion risk and weight, making retrofits safer and faster. Lighter hardware simplifies handling during ceiling installations and minimizes support requirements, especially in confined spaces. The CHMM2 is engineered to retrofit VMVL/PVML fixtures without compromising mounting strength or electrical integrity, preserving alignment and optical performance. In demanding environments, the copper-free design also contributes to long-term maintenance benefits by reducing galvanic corrosion and residue buildup. Compatibility with Appleton MercMaster II fixtures is a core design goal, delivering a straightforward upgrade path for aging lighting systems and minimizing project scope changes. The CHMM2 combines precise dimensions with a proven VMVL/PVML interface, enabling a plug-and-play retrofit that reduces field modification time. By bridging VMVL/PVML mounting to modern luminaires, it eliminates the need for bespoke adapters and shortens commissioning cycles. IP66 enclosure protection and a NEMA 4X rating provide robust resistance to dust, water jets, and corrosive washdowns in service aisles and outdoor installations. This level of protection supports reliable operation in food processing, chemical processing, and outdoor substations where humidity and cleaning cycles are common. Coupled with NEC/CEC compliance, the CHMM2 ensures safe operation in hazardous and Classified Locations. Hazardous location ratings include Class I Division 2, Class II Division 1, and Class III environments, expanding application scope to petrochemical, mining, and heavy industry facilities while meeting regulatory expectations. This enables consistent performance during start-up and ongoing use in harsh environments. Key dimensions and weight—11.65 in length, 10.16 in width, 3.1 in height, and about 2.5 lb—support accurate planning for retrofit projects. The compact footprint helps minimize enclosure intrusion and simplifies routing of cables and fixtures. Engineers can model mounting clearances and airflow more reliably when selecting this adapter. Access to official installation instructions and brochures—IF 1915 Top Hat Adapter, CHMM mounting adapters flyer, catalog pages, and the Eaton specification sheet—reduces risk and accelerates commissioning. Engineering teams benefit from comprehensive technical resources that support non-destructive upgrades and adherence to safety protocols. This documentation reinforces repeatable, compliant retrofits across multiple facilities and OEM luminaires.
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FAQs
CHMM2 is designed specifically to retrofit VMVL/PVML mounting with Appleton MercMaster II luminaires, offering a plug‑and‑play interface that minimizes field modifications. Its copper-free aluminum construction keeps weight manageable during installation, while precise dimensions ensure alignment and structural integrity. This compatibility reduces project risk and accelerates commissioning in retrofit projects.
CHMM2 carries NEC/CEC compliance and Hazardous/Classified Locations ratings, including Class I Division 2, Class II Division 1, and Class III. It also provides NEMA 4X enclosure protection and IP66 ingress protection, enabling safe operation in harsh, dusty, wet, or washdown environments commonly found in industrial facilities.
CHMM2 excels in hazardous locations and washdown environments where legacy fixtures require upgrading without full replacement. It is ideal for petrochemical, mining, utility, and manufacturing facilities that demand compliant retrofits, durable protection, and straightforward installation while preserving existing VMVL/PVML lighting strategies.
By enabling fast, plug-and-play retrofits and eliminating extensive field modifications, CHMM2 reduces installation downtime and commissioning time. Copper-free aluminum minimizes corrosion-related maintenance, while NEC/CEC and IP66/NEMA 4X compliance lower regulatory and safety risks, delivering lower lifecycle costs through improved reliability and reduced maintenance interventions.
Official resources include IF 1915 Top Hat Adapter installation instructions, the CHMM mounting adapters flyer, the CHMM catalog page, and Eaton’s CHMM2 specification sheet. These documents support proper fitment, safe wiring practices, and step-by-step guidance for a compliant retrofit.