Eaton ENR31151 M4 Ark-Gard Receptacle - Hazardous Area

Part Number: ENR31151 M4
Eaton Crouse-Hinds logo
Manufacturer
Eaton Crouse-Hinds
Part number
ENR31151 M4

Quick Summary

Ark-Gard ENR Premier receptacle assembly is a hazardous-location outlet solution designed for industrial facilities and demanding environments. It addresses the common pain point of finding reliable, code-compliant hardware that withstands harsh operating conditions without frequent replacement. This unit carries NEC/CEC compliance and UL certifications for Hazardous/Classified Locations, along with compatible NEMA ratings 7, 3, 9, 12, and 3R to cover a broad range of service conditions. By combining rugged construction with a compact single-gang form factor, it delivers installation ease, predictable performance, and lower lifecycle costs for OEMs, maintenance teams, and facility engineers alike.

Product Information

Extended Description

ENR31151 M4 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Ark-Gard ENR Premier receptacle assembly, 15A, Single, 50-400 Hz, Copper-free aluminum, 5-15R, Single-gang, Dead end, 1", 125 Vac
Product Name
Eaton Crouse-Hinds series Ark-Gard ENR Premier receptacle assembly
Catalog Number
ENR31151 M4
Product Length/Depth
3.5 in
Product Height
6.75 in
Product Width
6.88 in
Product Weight
4 lb
UPC
662276603929
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class II, Division 1 Class I, Division 1 Class II, Division 2 Class III Class I, Division 2
NEMA Rating
7 3 9 12 3R
Number of gangs
Single-gang
Amperage Rating
15A
Voltage rating
125 Vac
Style
Dead end
Trade size
1"
NEMA configuration
5-15R
Cover type
Single
Material
Copper-free aluminum
Frequency rating
50-400 Hz
Feature → Business Impact → Application: 15A, 125Vac rating with 50-400 Hz compatibility ensures the receptacle supports typical industrial and hazardous-area power systems, reducing the risk of nuisance trips and electrical faults. This translates to higher uptime and safer operation in process plants and offshore facilities where power stability matters. Feature → Copper-free aluminum construction delivers excellent corrosion resistance, extending service life in aggressive environments such as chemical processing, marine applications, and outdoor installations, lowering maintenance costs. Feature → NEMA configuration 5-15R and dead-end, single-gang, 1" trade size design streamline installation in standard boxes and enclosures, shortening commissioning time for new builds or retrofit projects. Feature → UL/NEC/CEC certifications and Hazardous/Classified Locations approvals provide regulatory confidence and cross-border acceptance, supporting faster project approval and fewer compliance holds. Feature → Weight of 4 lb and compact footprint enable easier handling, transport, and mounting in confined spaces, which reduces labor time during installation and replacements. Feature → 50-400 Hz frequency rating broadens applicability across diverse equipment fleets, ensuring compatibility with universal motor-driven machinery and control systems in mixed-use facilities.

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FAQs

This single-gang, dead-end receptacle uses a 1" trade size and 5-15R configuration, rated 15A and 125 Vac, compatible with 50-400 Hz systems. Install in approved enclosures or conduit boxes rated for Hazardous/Classified Locations, following NEC/CEC guidelines and UL installation sheets to ensure proper performance and safety.
Yes. The ENR31151 M4 offers NEC/CEC compliance with UL certification for use in Hazardous/Classified Locations, including Class I, Division 1 and Class II/III classifications as applicable, ensuring safe operation in explosive atmospheres and compliant electrical installations.
Ideal for chemical processing, oil and gas facilities, offshore platforms, and marine environments, as well as other industries requiring Ark-Gard protection. Its NEMA ratings, copper-free aluminum construction, and 125 Vac availability support reliable power distribution in harsh, corrosive, or high-humidity settings.
Key specs include a 15A amperage rating, 125 Vac voltage rating, frequency range of 50-400 Hz, and a 5-15R NEMA configuration, with a copper-free aluminum body and single-gang footprint for compact, versatile mounting.
The copper-free aluminum housing provides superior corrosion resistance, reducing replacement cycles in harsh environments. UL/NEC/CEC certifications simplify compliance checks, while the compact design and standard mounting dimensions speed replacements and routine maintenance, delivering lower total cost of ownership in hazardous-area installations.