Eaton’s Crouse-Hinds series introduces the Ark-Gard ENP, ENR, ENRX, and ENC Explosionproof NEMA Locking Devices, designed to ensure safe and reliable power connections in hazardous environments. These devices are perfect for use with portable or fixed electrical equipment, such as motor generator units, welders, pumps, compressors, heating and cooling units, cellular relay stations, conveyors, lighting systems, and similar equipment.
Key Features and Benefits:
- Explosionproof Design: These devices feature a factory-sealed chamber that encloses potentially arcing components, providing maximum safety in hazardous areas.
- Compliance with Standards: Meeting NEC/CEC, ANSI/UL, and CSA standards, these devices are suitable for Class I, Groups B, C, D; Class II, Groups F, G; and Class III hazardous locations.
- Versatile Application: Compatible with a variety of plug options to mate with Eaton’s Crouse-Hinds series receptacles, including Arktite, Ark-Gard, Posi-Lok, and Cam-Lok.
- User-Friendly Design: Available in various devices, sizes, amperages, and lengths, these assemblies offer increased flexibility and ease of use.
- Enhanced Safety: These receptacles reject standard NEMA/EEMAC plug configurations that could potentially cause an arc in hazardous areas. The plug cannot be disengaged under load.
- Robust Construction: Built with high-quality materials such as die-cast copper-free aluminum and stainless steel, these devices are designed to withstand the rigors of demanding environments.
Technical Specifications:
- Electrical Ratings: 15A or 20A, 125 VAC, 4-6 mA ground trip current.
- Materials:
- Housing, covers, and back boxes: Copper-free aluminum with Corro-free epoxy powder coat
- Insulator and faceplate: Krydon fiberglass-reinforced polyester
- External hardware: Stainless steel.
- Environmental Ratings: NEMA 3, 3R, 3RX.
Applications:
- Portable Electrical Equipment: Ideal for tools, lighting systems, compressors, and similar devices for personnel protection.
- Industrial Settings: Commonly used during plant turnarounds in installations such as refineries, chemical plants, and LNG facilities.
- Temporary Power Connections: Provides reliable protection for temporary setups, such as job sites, outdoor events, or equipment in hazardous locations.
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