Eaton ENRCB31201 M4 Receptacle Assembly - Hazardous Area
Part Number: ENRCB31201 M4
Manufacturer
Eaton Crouse-Hinds
Part number
ENRCB31201 M4
Category
Quick Summary
The Ark-Gard ENR Premier receptacle assembly provides safe, reliable power connections for equipment in hazardous areas. Maintenance teams often fight corrosion, dust ingress, and complex compliance when updating hazardous-location enclosures. It meets NEC/CEC standards and hazardous-location ratings (Class I, Division 1 & 2; Class II, Division 1 & 2; Class III) plus NEMA ratings 7, 9, 3R, 3, 12 protections. Through-feed, single-gang installation supports compact layouts and faster wiring, while copper-free aluminum construction reduces weight and long-term maintenance costs. Designed for hazardous location receptacle applications in industrial automation, it helps reduce downtime and extend service life for your facilities.
Product Information
Extended Description
ENRCB31201 M4 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Ark-Gard ENR Premier receptacle assembly, 20A, Single, 50-400 Hz, Copper-free aluminum, 5-20R, Single-gang, Group B rating, Through feed, 1", 125 Vac
Product Name
Eaton Crouse-Hinds series Ark-Gard ENR Premier receptacle assembly
Catalog Number
ENRCB31201 M4
Product Length/Depth
6.5 in
Product Height
6.75 in
Product Width
6.88 in
Product Weight
7.5 lb
UPC
662276587113
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class II, Division 2 Class II, Division 1 Class III Class I, Division 1 Class I, Division 2
NEMA Rating
7 9 3R 3 12
Number of gangs
Single-gang
Amperage Rating
20A
Voltage rating
125 Vac
Style
Through feed
Trade size
1"
NEMA configuration
5-20R
Cover type
Single
Material
Copper-free aluminum
Frequency rating
50-400 Hz
Special features
Group B rating
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 - ENRCB31201 M4
Copper-free aluminum housing provides excellent corrosion resistance while minimizing weight, improving handling and reducing maintenance costs in harsh environments. Business impact: longer service life and lower total cost of ownership; Application: chemical processing, oil & gas, mining, and other rugged facilities. Feature: Group B rating paired with NEC/CEC compliance ensures safe operation in potentially explosive atmospheres. Business impact: lowers ignition risk and supports strict regulatory compliance; Application: utility plants and petrochemical sites. Feature: Through-feed design with a 1" trade size and 5-20R configuration simplifies wiring and reduces installation time. Business impact: faster panel assembly and fewer field errors; Application: new builds and retrofit projects in hazardous locations. Feature: 20A at 125 Vac with a single-gang enclosure optimized for 50–400 Hz operation. Business impact: versatile compatibility across equipment and control systems; Application: control panels, distribution hubs, and process instrumentation in hazardous areas. Feature: Copper-free aluminum, LED-ready cover compatibility (Single cover), and UL certification visibility through Ark-Gard ENR Premier catalog and installation sheets. Business impact: ensures ongoing compliance, easier procurement, and faster maintenance planning; Application: end-to-end protection for industrial automation deployments.
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FAQs
ENRCB31201 M4 is a single-gang, through-feed receptacle configured for 1" trade size and a 5-20R configuration, rated at 20A and 125 Vac. It uses copper-free aluminum housing for rugged environments and supports Ark-Gard ENR Premier installations, enabling straightforward wiring in hazardous-area control panels and junction boxes.
Key specs include 20A current rating, 125 Vac voltage, frequency range of 50-400 Hz, and a single-gang NEMA 5-20R configuration. It is designed for hazardous/classified locations with Group B rating and NEMA protections 7, 9, 3R, 3, and 12, ensuring reliable operation under demanding industrial conditions.
This receptacle assembly is suited for oil & gas, chemical processing, mining, metal fabrication, and other environments requiring explosion-protected equipment. Its ENR Premier design and robust enclosure support equipment in hazardous locations, minimizing risk and downtime in process plants and remote facilities.
The ENRCB31201 M4 complies with NEC/CEC standards and supports hazardous-location ratings including Class I, Division 1 & 2; Class II, Division 1 & 2; Class III, plus NEMA 7, 9, 3R, 3, 12. UL certification references are available via provided UL pages and Eaton’s documentation for ENR Premier components.
Copper-free aluminum construction reduces corrosion-related maintenance and weight, easing installation and field handling. The through-feed, single-gang design shortens wiring time and minimizes field errors, contributing to lower downtime and a faster return on investment in hazardous-area projects.