Eaton ENRB21201 Ark-Gard ENR Value - Group B rating
Part Number: ENRB21201
Quick Summary
Ark-Gard ENR Value receptacle assembly enables reliable hazardous-location power connections for industrial equipment. In demanding plants, downtime and noncompliance erode productivity and safety margins. This unit meets NEC/CEC requirements, supports Hazardous/Classified Locations, and carries a Group B rating with NEMA compatibility for diverse installations. Constructed from copper-free aluminum and rated for 125 Vac at 20A with a 50-400 Hz frequency range, it offers robust performance in harsh environments. For procurement and engineering teams, the combination of rugged build, simple single-gang installation, and standard 3/4 inch trade size translates to faster sourcing, easier field servicing, and lower total cost of ownership.
Product Information
Extended Description
ENRB21201 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Ark-Gard ENR Value receptacle assembly, 20A, Single, 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 Value receptacle assembly
Catalog Number
ENRB21201
Product Length/Depth
8 in
Product Height
6.72 in
Product Width
3.5 in
Product Weight
0.01 lb
UPC
662276850644
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 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 Value 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 1424 - DSD, GFS, CPS and ENR Replacement Covers
IF 1424 - DSD, GFS, CPS and ENR Replacement Covers
Eaton Specification Sheet - ENRB21201
Copper-free aluminum construction reduces corrosion risk in damp or chemical environments while keeping weight low, improving handling during installation and service intervals. This lightweight material lowers labor costs on multi-point installations and reduces structural support requirements. The device is rated for 125 Vac, 20A, and 50-400 Hz, supporting a wide range of industrial machines and control panels with a safe, reliable power feed. The single-gang, 3/4" trade size, and 5-20R NEMA configuration streamline installation in standard electrical boxes, improving compatibility with existing enclosures. Group B rating provides hazard location coverage, enabling compliance for Class I and II divisions and Class III environments. Delivers dead-end style for straightforward wiring termination and a single cover to simplify maintenance. UL certification references and specification sheets support procurement. This receptacle assembly also benefits from Eaton’s Ark-Gard lineage, known for robust sealing and protection in explosive atmospheres, which reduces field service calls and extends service life.
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FAQs
Install ENRB21201 as a single-gang, 3/4 inch trade-size receptacle in compatible enclosures. Use the 5-20R NEMA configuration for a standard 120/125 VAC supply, ensuring Class I/II or Class III hazardous-location compliance. Follow the manufacturer installation instructions and torque recommendations to maintain the Group B rating and enclosure integrity.
ENRB21201 is rated for 20A at 125 VAC with a frequency range of 50–400 Hz. It uses copper-free aluminum and supports the 5-20R NEMA configuration in a single-gang, 3/4" trade size, with a dead-end cover design for straightforward termination and ease of maintenance.
Yes. ENRB21201 is designed for Hazardous/Classified Locations and carries NEC/CEC compliance with a Group B rating, making it appropriate for Class I, Division 1 & 2, Class II, Division 1 & 2, and Class III environments when paired with Ark-Gard ENR equipment and proper installation.
The receptacle assembly complies with NEC/CEC standards for hazardous locations, features a Hazardous/Classified Locations designation, and carries NEMA ratings applicable to industrial environments. UL certification references are available for ENR and ENP configurations, supporting compliance documentation during audits and inspections.
The copper-free aluminum construction offers enhanced corrosion resistance and lighter weight, reducing field handling time and wear. Its robust Group B rating and straightforward dead-end termination minimize downtime and maintenance complexity, delivering a favorable total cost of ownership over the life of hazardous-location electrical installations.