Eaton ENRC22151 M4 Ark-Gard ENR Receptacle - Class I
Part Number: ENRC22151 M4
Quick Summary
ENRC22151 M4 Ark-Gard ENR Premier receptacle assembly provides safe power connections for hazardous-area installations. Maintenance teams often face reliability and compliance gaps when wiring in Class I/II environments; this unit mitigates ignition risk with a rugged copper-free aluminum enclosure and a proven two-gang design. It is certified under NEC/CEC standards and UL explosionproof listings, with NEMA ratings 3, 3R, 7, 9, and 12, ensuring broad regulatory compatibility and durable outdoor performance. By combining robust construction with straightforward wiring and through-feed versatility, it supports faster, safer installations and reduced maintenance costs. For OEMs and service teams, it translates into predictable performance, easier spare-part planning, and improved lifecycle value.
Product Information
Extended Description
ENRC22151 M4 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Ark-Gard ENR Premier receptacle assembly, 15A, Double, 50-400 Hz, Copper-free aluminum, 5-15R, Two-gang, Through feed, 3/4", 125 Vac
Product Name
Eaton Crouse-Hinds series Ark-Gard ENR Premier receptacle assembly
Catalog Number
ENRC22151 M4
Product Length/Depth
6.78 in
Product Height
6.75 in
Product Width
7.56 in
Product Weight
1 lb
UPC
662276174337
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 1 Class I, Division 2 Class II, Division 1 Class II, Division 2 Class III
NEMA Rating
3 3R 7 9 12
Number of gangs
Two-gang
Amperage Rating
15A
Voltage rating
125 Vac
Style
Through feed
Trade size
3/4"
NEMA configuration
5-15R
Cover type
Double
Material
Copper-free aluminum
Frequency rating
50-400 Hz
Ark-Gard ENR Premier Explosionproof NEMA Locking Devices catalog page
Ark-Gard ENP, ENR, ENC Explosionproof NEMA Locking Devices UL certification - ENR and ENP
Ark-Gard ENP, ENR, ENC Explosionproof NEMA Locking Devices UL certification - ENR and ENP
IF 344 - Ark-Gard ENR Receptacles ENP Model M97 Plugs
IF 344 - Ark-Gard ENR Receptacles ENP Model M97 Plugs
IF 344 - Ark-Gard ENR Receptacles ENP Model M97 Plugs
Eaton Specification Sheet - ENRC22151 M4
Feature Through-feed design and copper-free aluminum enclosure enable flexible installation and corrosion resistance; Business Impact Lighter weight, easier handling, and improved field durability reduce installation time and total cost of ownership in demanding environments; Application Suitable for two-gang, 3/4 inch trade size receptacle installations in hazardous locations like chemical plants or offshore facilities. Feature 50-400 Hz frequency rating and 125 VAC operation provide compatibility with standard plant power systems; Business Impact Enables universal integration with existing equipment and minimizes downtime during commissioning; Application Ideal for NEC/CEC compliant projects using Ark-Gard ENR Premier locking devices where explosionproof performance is required. Feature NEMA ratings 3, 3R, 7, 9, 12 ensure rugged performance in extreme conditions; Business Impact Improves lifecycle reliability and protects critical infrastructure in harsh climates. Feature 15A current rating and 5-15R configuration deliver dependable, common plug-and-socket connectivity; Application Supports quick replacement parts and simplified procurement for maintenance teams. Feature Two-gang, through-feed configuration reduces wiring complexity and speeds panel integration; Business Impact Shortens wiring time, lowers labor costs, and improves project predictability. Feature Instruction compatibility with IF documentation and Ark-Gard ENR Premier ecosystem ensures straightforward installation and consistent performance; Application Supports standardized maintenance procedures and scalable deployment across sites.
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FAQs
Begin by verifying Class I/II/III suitability and ensuring the site is rated for ENR devices. Mount the two-gang, through-feed receptacle using the 3/4 inch trade size, then connect conductors per the IF 344 documentation. Use the Ark-Gard ENR Premier assembly with the appropriate locking devices and ensure a proper enclosure seal for hazardous areas. Follow UL and NEC/CEC guidance during wiring and testing.
The ENRC22151 M4 carries NEC/CEC standards compliance and UL explosionproof certifications for ENR/ENP configurations. It supports Class I, Division 1 and 2, Class II, Division 1 and 2, and Class III ratings, along with NEMA 3, 3R, 7, 9, 12. It is designed for hazardous locations and broad environmental conditions, ensuring regulatory alignment and field reliability.
Yes. The copper-free aluminum enclosure, explosionproof design, and Ark-Gard ENR Premier lineage are tailored for offshore platforms and oil & gas facilities. Its 50-400 Hz compatibility and 125 VAC rating suit diverse power systems, while NEC/CEC and UL certifications provide confidence for regulatory compliance and continued operation in harsh, corrosive atmospheres.
The unit excels in hazardous-area control panels, remote distribution boxes, and service entrances requiring two-gang NEMA 5-15R outlets. Its through-feed capability simplifies wiring runs, reducing installation labor. Compatible with Ark-Gard ENR Premier locking devices, it supports scalable deployment across plant floors, chemical processing lines, and heavy manufacturing environments.
The aluminum enclosure offers corrosion resistance and lighter handling, reducing wear and maintenance costs. UL/NEC/CEC compliance minimizes regulatory risk, while the rugged construction lowers replacement frequency in harsh environments. Faster installation and standardized parts support lower downtime and improved lifecycle value for facilities with frequent outages or expansion needs.