Crouse-Hinds EFD Hazardous Location Snap Switch
Professional hazardous location switching for Class I Division 1 environments
The Crouse-Hinds EFD Hazardous Location Snap Switch delivers reliable 30A switching performance in demanding classified environments. Engineered for Class I Division 1 applications with NEMA 3 enclosure protection, this through feed style switch provides dependable operation at 120/277 Vac for professional electrical installations requiring hazardous location compliance.
Professional Features & Benefits
- 30A Amperage Rating: Handles substantial electrical loads for demanding industrial and commercial switching applications
- Class I Division 1 Rating: Certified for use in hazardous locations with flammable gases and vapors present under normal operating conditions
- 120/277 Vac Dual Voltage: Compatible with both standard and high-leg electrical systems for versatile installation flexibility
- NEMA 3 Enclosure: Weather-resistant protection against falling dirt, rain, sleet, and snow for outdoor and harsh environment applications
- Through Feed Design: Enables continuous circuit routing while providing local switching control for efficient electrical distribution
- NEC/CEC Standards Compliance: Meets National Electrical Code and Canadian Electrical Code requirements for professional installation confidence
- Compact 1" Size: Space-efficient design at 7.13" height and 3.06" width for flexible mounting in constrained locations
Technical Specifications
- Amperage Rating: 30A
- Area Classification: Hazardous/Classified Locations
- Enclosure Type: With switch
- Nec Hazardous Rating: Class I, Division 1
- Nema Rating: 3
- Product Height: 7.13 in
- Product Size: 1"
- Product Style: Through feed
- Product Width: 3.06 in
- Standards Type: NEC/CEC
- Voltage Rating: 120 Vac / 277 Vac
Installation & Operation
- Mount the unit in a suitable location with appropriate clearance and access for connections and service.
- Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
- Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
- Configure any available load management or control features as supported by the provided specifications.
- Test automatic transfer or operational functionality and verify proper performance before placing into service.
- Complete final inspection and follow ongoing maintenance practices appropriate to the product category.
Professional Applications
- Petrochemical Processing Facilities
- Oil and Gas Operations
- Chemical Manufacturing Plants
- Paint and Solvent Storage Areas
- Refineries and Distilleries
- Hazardous Material Handling Facilities
- Industrial Maintenance and Service Areas
Why Choose Crouse-Hinds Quality?
Crouse-Hinds delivers proven reliability in hazardous location electrical equipment with NEC/CEC standards compliance and NEMA 3 weather-resistant protection. The robust construction and Class I Division 1 certification ensure dependable performance in the most demanding classified environments where safety and reliability are paramount.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 30A
- Area Classification:
- Hazardous/Classified Locations
- Enclosure Type:
- With switch
- Nec Hazardous Rating:
- Class I, Division 1
- Nema Rating:
- 3
- Product Height:
- 7.13 in
- Product Size:
- 1"
- Product Style:
- Through feed
- Product Width:
- 3.06 in
- Standards Type:
- NEC/CEC
- Voltage Rating:
- 120 Vac / 277 Vac
- Department:
- Eletrical