Eaton Crouse-Hinds ENRC21152 M4 Ark-Gard ENR Premier receptacle assembly - Hazardous Locations
Part Number: ENRC21152 M4
Quick Summary
The Ark-Gard ENR Premier receptacle assembly from Eaton Crouse-Hinds provides rugged, explosion-rated power entry for hazardous locations. In harsh industrial settings, unreliable components and noncompliant wiring threaten uptime and safety. It carries NEC/CEC compliance and hazardous-location ratings including Class I Division 1 and 2, Class II Division 1 and 2, and Class III, plus a broad NEMA coverage of 3, 3R, 7, 9, 12. With copper-free aluminum construction, 15A at 250V and 50–400 Hz, the through-feed design on a 3/4 inch trade size supports fast, repeatable installations. This combination reduces maintenance cost, speeds commissioning, and enables reliable power distribution in mining, chemical, and offshore environments.
Product Information
Extended Description
ENRC21152 M4 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Ark-Gard ENR Premier receptacle assembly, 15A, Single, 50-400 Hz, Copper-free aluminum, 6-15R, Single-gang, Through feed, 3/4", 250 Vac
Product Name
Eaton Crouse-Hinds series Ark-Gard ENR Premier receptacle assembly
Catalog Number
ENRC21152 M4
Product Length/Depth
6.78 in
Product Height
6.75 in
Product Width
3.5 in
Product Weight
1 lb
UPC
662276174146
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
Single-gang
Amperage Rating
15A
Voltage rating
250 Vac
Style
Through feed
Trade size
3/4"
NEMA configuration
6-15R
Cover type
Single
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 - ENRC21152 M4
15A at 250V with a 50–400 Hz rating aligns with common industrial power systems, reducing mismatches and field modifications while enabling plug-and-play integration with motors, conveyors, and control panels in hazardous zones. The copper-free aluminum construction offers superior corrosion resistance and lower weight, extending service life in offshore, chemical processing, and marine facilities, while easing handling during installation and maintenance. Through-feed wiring and a 3/4" trade size simplify routing in constrained panels, speeding wiring runs and reducing the likelihood of misconnection in demanding environments. The single-gang, single-cover format supports standard enclosures and panel layouts, which translates to faster commissioning and fewer customization costs for system integrators. Compatible with NEMA 6-15R outlets, this receptacle assembly delivers reliable locking connections in hazardous locations, backed by UL and NEC/CEC compliance and a proven Ark-Gard ENR Premier design used across critical applications.
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FAQs
ENRC21152 M4 supports through-feed wiring in single-gang housings and uses a 3/4 inch trade size to fit standard boxes. With 15A at 250V and a 50–400 Hz range, it is compatible with common industrial equipment and control circuits found in Class I, II, and III hazardous areas, including mining, chemical processing, and offshore environments.
This receptacle assembly carries NEC/CEC compliance and Hazardous/Classified Locations ratings, including Class I Division 1 and 2, Class II Division 1 and 2, and Class III, as well as NEMA ratings 3, 3R, 7, 9, and 12. UL certification for Ark-Gard ENR Premier devices further supports regulatory acceptance and safe operation in hazardous locations.
Yes. ENRC21152 M4 is a through-feed receptacle designed for hazardous-area installations, featuring a 3/4" trade size and a single-gang footprint. The through-feed design simplifies wiring runs, reduces field connections, and supports reliable power delivery to equipment operating in Class I, II, and III environments.
When installing ENRC21152 M4, ensure alignment with standard single-gang boxes and use the 6-15R NEMA configuration. The copper-free aluminum body provides corrosion resistance, while the through-feed arrangement and single cover streamline wiring and enclosure integration. Refer to the Eaton installation sheets and catalog pages for step-by-step guidance and safety notes.
The copper-free aluminum construction and durable enclosure reduce corrosion-related maintenance and replacement costs. UL and NEC/CEC compliance minimize regulatory risk and QA rework, while faster installation reduces labor hours during commissioning. These factors translate to lower total cost of ownership, improved uptime, and faster project payback in demanding industries such as oil & gas and chemical processing.