Overview
The Crouse-Hinds ENR5201 is an Ark-Gard ENR Value Series pin and sleeve receptacle unit rated for explosionproof, raintight operation in hazardous locations. Manufactured by Eaton Crouse-Hinds, this control assembly features a 20A, 125V, 50-400 Hz rating with a NEMA 5-20R configuration. The ENR5201 is engineered for Class I Divisions 1 and 2 (Groups B, C, D), Class II Divisions 1 and 2 (Groups F, G), and Class III environments, making it suitable for industrial facilities requiring arc-resistant protection and durable pin-and-sleeve connectivity.
Key Features
- Dead front interlocked design prevents accidental contact with electrical components
- Top-hinged cover with 45-degree downward angle provides superior protection in damp, wet, and dirty environments
- Gasketed screw cap cover offers protection from harsh industrial conditions
- Saddle clamp terminals reduce installation time and maintenance costs
- Factory-sealed chamber confines electrical arcs during connection and disconnection
- Copper-free aluminum construction with acrylic paint for corrosion resistance
- Field assembly accomplished with standard tools using EDS back boxes
Technical Specifications
- Voltage Rating: 125 VAC
- Current Rating: 20 Amperes
- Frequency: 50-400 Hz
- Configuration: NEMA 5-20R, 2 Pole, 3 Wires
- Enclosure Rating: NEMA 3/7B/7C/7D/9F/9G/12
- Hazardous Location Class: Class I Division 1 & 2 (Groups B, C, D); Class II Division 1 & 2 (Groups F, G); Class III
- Cover Type: Gasketed screw cap with top-hinged 45-degree downward angle
- Mating Plug: ENP
- Material: Copper-free aluminum, acrylic painted die-cast
- Hub Size: 1 inch
- Dimensions: 8 in L × 6-23/32 in H
- Weight: 2.0 lbs
- Approvals: UL, CSA
- Series: Ark-Gard ENR Value
Typical Applications
The ENR5201 is ideal for industrial environments requiring explosionproof power distribution and control:
- Motor generator units, pumps, and compressors in hazardous areas
- Power distribution and control systems in industrial facilities and factories
- Welding equipment installations in classified locations
- Lighting systems and control circuits in hazardous zones
- Cellular relay stations and outdoor control installations
- HVAC units in explosive or flammable atmospheres
- Conveyor systems and similar equipment in Class I/II/III areas
Compatibility & Replacements
Compatible With
- EDS back boxes and standard DSD, GFS, CPS enclosure systems
- ENP pin and sleeve plugs (mating connector)
- Ark-Gard ENP Model M97 plugs
- Standard electrical systems rated for NEMA 5-20R configuration
Replaces / Drop-In Replacement For
- Other Ark-Gard ENR Value Series 20A/125V receptacles (ENR model family)
- Verify compatibility with your original equipment specifications before ordering
Works With
- Pin and sleeve circuit breaking systems and interlock devices
- Explosionproof NEMA locking devices and enclosure systems
- Standard industrial control panels and power distribution boards
- Field-assembled installations using standard hand tools
