Crouse-Hinds DSD933 Explosion-Proof Snap Switch Cover & Device Sub-Assembly
Professional hazardous location switching solution with Class I Division 1 certification
The Crouse-Hinds DSD933 Explosion-Proof Snap Switch Cover & Device Sub-Assembly delivers reliable switching control for hazardous and classified locations. This single-pole unit features a robust 20A rating at 120/277V and meets stringent Class I Division 1 requirements. Constructed with durable Feraloy iron alloy material and NEMA 3 rating, this explosion-proof switch assembly provides dependable performance in demanding industrial environments where safety and compliance are critical.
Professional Features & Benefits
- 20A Amperage Rating: Handles substantial electrical loads with reliable switching capacity for industrial applications
- 120/277V Dual Voltage: Compatible with standard commercial and industrial voltage systems for versatile installation flexibility
- Class I Division 1 Certification: Meets the highest hazardous location safety standards for explosive atmosphere protection
- Feraloy Iron Alloy Construction: Provides exceptional durability and corrosion resistance in harsh industrial environments
- NEMA 3 Rating: Offers protection against weather, windblown dust, and external ice formation for outdoor applications
- Single-Pole Configuration: Delivers precise control for dedicated circuit switching with simplified wiring requirements
- NEC/CEC Standards Compliance: Ensures installation meets North American electrical code requirements for professional installations
Technical Specifications
- Amperage Rating: 20A
- Area Classification: Hazardous/Classified Locations
- Configuration: 1-pole
- Nec Hazardous Rating: Class I, Division 1
- Nema Rating: 3
- Number Of Poles: Single-pole
- Product Height: 6.7 in
- Product Length Depth: 5.3 in
- Product Material: Feraloy iron alloy
- Product Weight: 2.5 lb
- Product Width: 4.6 in
- Standards Type: NEC/CEC
- Voltage Rating: 120/277 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 Production Sites
- Chemical Manufacturing Plants
- Paint and Solvent Storage Areas
- Grain Handling and Processing
- Pharmaceutical Manufacturing
- Hazardous Material Storage Facilities
Why Choose Crouse-Hinds Quality?
Crouse-Hinds explosion-proof switching solutions provide uncompromising safety and reliability in the most demanding hazardous environments. With Class I Division 1 certification, NEMA 3 weather protection, and durable Feraloy iron alloy construction, this switch assembly delivers the professional-grade performance required for critical industrial applications where safety cannot be compromised.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 20A
- Area Classification:
- Hazardous/Classified Locations
- Configuration:
- 1-pole
- Nec Hazardous Rating:
- Class I, Division 1
- Nema Rating:
- 3
- Number Of Poles:
- Single-pole
- Product Height:
- 6.7 in
- Product Length Depth:
- 5.3 in
- Product Material:
- Feraloy iron alloy
- Product Weight:
- 2.5 lb
- Product Width:
- 4.6 in
- Standards Type:
- NEC/CEC
- Voltage Rating:
- 120/277 Vac
- Department:
- Eletrical
- Product Type:
- Switch Assembly