Eaton ENRB21201 M4 Receptacle Assembly - Hazardous
Part Number: ENRB21201 M4
Quick Summary
The ENRB21201 M4 hazardous-area receptacle assembly delivers safe, lockable power connections for heavy industrial enclosures in hazardous locations. It addresses downtime and miswiring risks in explosion-proof applications by delivering rugged, compliant, easy-to-install connections. Certified for NEC/CEC compliance with Class I, Division 1 and 2, Class II Division 1 and 2, and Class III, plus multiple NEMA ratings (3, 3R, 7, 9, 12) to streamline regulatory approvals. Engineered for seamless Ark-Gard ENR Premier compatibility, it provides a 20A, 125 Vac solution with a single-gang, 3/4 inch trade size, reducing installation complexity and total cost of ownership.
Product Information
Extended Description
ENRB21201 M4 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Ark-Gard ENR Premier receptacle assembly, 20A, Single cover, 50-400 Hz, Copper-free aluminum, 5-20R, Single-gang , Group B rating, Dead end, 3/4", 125 Vac
Product Name
Eaton Crouse-Hinds series Ark-Gard ENR Premier receptacle assembly
Catalog Number
ENRB21201 M4
Product Length/Depth
6.78 in
Product Height
6.75 in
Product Width
3.5 in
Product Weight
13.8 lb
UPC
662276468382
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
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
Group B rating
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 1588 - ENR M4 Series Receptacles
IF 1588 - ENR M4 Series Receptacles
IF 1588 - ENR M4 Series Receptacles
Eaton Specification Sheet - ENRB21201 M4
Feature: 20A at 125 VAC in copper-free aluminum with a single-gang, 3/4" trade size. Business Impact: Ensures robust, corrosion-resistant performance in hazardous environments while minimizing footprint and replacement costs. Application: Control panels and equipment enclosures in chemical plants and refineries. Feature: 50-400 Hz frequency rating and NEMA 5-20R configuration. Business Impact: Broad compatibility with existing industrial power systems, reducing the need for adapters and streamlining procurement. Application: Hazardous-area power distribution to motors and instrumentation. Feature: Dead end, single cover design with Group B rating. Business Impact: Enhanced enclosure integrity and safer lockout during maintenance, lowering incident risk and downtime. Application: Explosion-proof receptacles in Class I/II/III locations. Feature: Copper-free aluminum housing. Business Impact: Lower weight and improved corrosion resistance, yielding safer handling and reduced lifecycle cost. Application: Offshore and onshore hazardous environments where weight and durability matter. Feature: Ark-Gard ENR Premier compatibility and comprehensive documentation. Business Impact: Faster specification, easier retrofit, and regulatory confidence supported by installation sheets and datasheets. Application: System upgrades and new installations in hazardous locations.
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FAQs
Install as a single-gang receptacle with a 3/4 inch trade size in hazardous-location enclosures. Follow the IF 1588 or equivalent installation guidance and ensure compatibility with the Ark-Gard ENR Premier line for proper enclosure protection.
Yes. The unit is NEC/CEC certified for Class I Division 1 and 2 (as well as Class II Division 1 and 2) and Class III, meeting hazardous-location requirements for explosion-protected power connections.
Product length 6.78 in, height 6.75 in, width 3.5 in, and weight 13.8 lb, providing a sturdy yet manageable footprint for rugged industrial installations.
NEMA configuration is 5-20R with a 20A current rating at 125 VAC, in a single-gang, 3/4" trade size receptacle constructed from copper-free aluminum.
Access the Ark-Gard ENR Premier catalog page, ENR/ENP Canadian certification page, and installation sheets (IF 1588 series) plus the Eaton specification sheet for ENRB21201 M4 from the provided links in the product downloads section.