Eaton ENR21201 M4 S752 Ark-Gard ENR Receptacle - Hazardous

Part Number: ENR21201 M4 S752
Eaton Crouse-Hinds logo
Manufacturer
Eaton Crouse-Hinds
Part number
ENR21201 M4 S752
Category

Quick Summary

Ark-Gard ENR Premier receptacle assembly by Eaton Crouse-Hinds delivers safe, reliable power connections in hazardous locations. This design addresses the tough challenge of maintaining uptime and personnel safety where explosive atmospheres exist. The product combines NEC/CEC compliance with robust enclosure ratings to withstand demanding industrial environments. It supports Class I, II, and III locations and is rated for both Division 1 and Division 2 service, ensuring flexibility across multiple sites. The epoxy powder finish and copper-free aluminum housing contribute to corrosion resistance and lighter installation weight, reducing lifecycle costs. By pairing a 20A, 125 Vac NEMA 5-20R configuration with a single-gang footprint, it simplifies panel design while enabling fast field servicing.

Product Information

Extended Description

ENR21201 M4 S752 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, Epoxy powder finish, Dead end, 3/4", 125 Vac
Product Name
Eaton Crouse-Hinds series Ark-Gard ENR Premier receptacle assembly
Catalog Number
ENR21201 M4 S752
Product Length/Depth
3.5 in
Product Height
6.75 in
Product Width
6.88 in
UPC
662276174399
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class II, Division 1 Class I, Division 1 Class III Class I, Division 2 Class II, Division 2
NEMA Rating
9 7 12 3R 3
Number of gangs
Single-gang
Amperage Rating
20A
Voltage rating
125 Vac
Style
Dead end
Trade size
3/4"
NEMA configuration
5-20R
Cover type
Single
Material
Copper-free aluminum
Frequency rating
50-400 Hz
Special features
Epoxy powder finish
Ark-Gard ENR Premier Explosionproof NEMA Locking Devices catalog page Ark-Gard ENP, ENR, ENC Explosionproof NEMA Locking Devices Canadian certification - ENR and ENP Ark-Gard ENP, ENR, ENC Explosionproof NEMA Locking Devices Canadian certification - ENR and ENP IF 1424 - DSD, GFS, CPS and ENR Replacement Covers IF 1424 - DSD, GFS, CPS and ENR Replacement Covers IF 1424 - DSD, GFS, CPS and ENR Replacement Covers Eaton Specification Sheet - ENR21201 M4 S752
Feature: Hazardous-location readiness with NEC/CEC compliance and flexible area ratings. Business Impact: ensures regulatory alignment and reduces risk during audits. Application: suitable for Class I, II, III, Division 1 and 2 installations across oil, gas, chemical, and mining environments. Feature: 20A, 125V with NEMA 5-20R, single-gang, 3/4" trade size. Business Impact: streamlines panel design, simplifies wiring, and shortens installation time. Application: ideal for control panels and power distribution in hazardous areas. Feature: Copper-free aluminum housing with epoxy powder finish. Business Impact: lighter weight than steel with superior corrosion resistance, lowering handling and maintenance costs. Application: offshore platforms, chemical plants, and marine facilities. Feature: Broad 50-400 Hz frequency rating. Business Impact: supports variable-frequency drives and diverse loads without special adapters. Application: international installations and equipment subject to speed control or harmonic loads. Feature: Durable, single-gang cover and rugged construction. Business Impact: reduces field service time and inventory of spare parts. Application: frequent maintenance environments and retrofit projects in hazardous locations. Feature: NEMA configuration 5-20R and integral enclosure features. Business Impact: broad compatibility with standard outlets, easing procurement and installation. Application: new builds and retrofits in oil, gas, mining, and chemical processing facilities.

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FAQs

The ENR21201 M4 S752 is configured as a NEMA 5-20R receptacle rated at 20A and 125V in a single-gang footprint with a 3/4" trade size. It is designed for straightforward replacement in hazardous-location panels, offering consistent mounting alignment and wiring practices that minimize downtime during upgrades or service.
It is certified for Hazardous/Classified Locations with NEC/CEC standards and supports Class I, II, and III service in Division 1 and Division 2 areas. NEMA ratings include 9, 7, 12, 3R, and 3, with Canadian certifications referenced for related configurations, ensuring broad regulatory compliance across North American operations.
Copper-free aluminum reduces device weight and improves corrosion resistance, which is critical in offshore, chemical, and marine environments. The epoxy powder finish further enhances protection against chemical exposure and mechanical wear, extending service life and reducing replacement cycles in harsh locations.
This receptacle is designed for hazardous locations across oil and gas, chemical processing, mining, and marine applications. It supports 50-400 Hz loads and is compatible with standard control panels, enabling reliable power connections for equipment operating under demanding safety requirements.
Plan for a single-gang enclosure with a 3/4" trade size knockout. Ensure wiring methods meet NEC/CEC guidelines for hazardous areas, and verify compatibility with 50-400 Hz loads and the 125V supply. Follow installation instructions for sealing and gaskets to maintain enclosure integrity in harsh environments.