Eaton Crouse-Hinds DSD Snap Switch Cover Assembly, 20A Single-Pole, Feraloy Iron

Eaton Crouse-Hinds DSD Snap Switch Cover and Device Sub-Assembly

Premium Hazardous Location Switch Assembly for Class I, Division 1 Applications

The Eaton Crouse-Hinds DSD Snap Switch Cover and Device Sub-Assembly is a professional-grade hazardous location switching solution engineered for Class I, Division 1 environments. This Feraloy iron alloy switch assembly delivers reliable 20-amp single-pole switching performance at 120/277 VAC for critical industrial and commercial electrical installations where safety and durability are paramount.

Key Features & Benefits

Hazardous Location Safety

• Class I, Division 1 Rating - Certified for use in hazardous locations with flammable gases and vapors
• NEMA 3 Enclosure Rating - Weather-resistant protection against falling dirt, rain, sleet, and snow
• Explosion-Proof Construction - Engineered to contain internal explosions and prevent ignition of surrounding atmosphere
• NEC/CEC Compliant - Meets all applicable electrical code requirements for hazardous location installations

Superior Material Construction

• Feraloy Iron Alloy Housing - Premium iron alloy provides exceptional strength and corrosion resistance
• Precision Machined Threads - Ensures proper flame-proof joint integrity for hazardous location safety
• Robust Switch Mechanism - Heavy-duty internal components designed for frequent operation in demanding environments
• Professional-Grade Finish - Durable coating resists corrosion and maintains appearance in harsh conditions

Electrical Performance

• 20-Amp Current Rating - Handles substantial electrical loads for motor control and lighting applications
• Single-Pole Configuration - Simple on/off switching for single-phase loads
• Dual Voltage Capability - Operates at both 120V and 277V for maximum installation flexibility
• Snap-Action Switching - Provides positive contact engagement and reliable switching performance

Technical Specifications

This DSD series switch assembly features a single-pole configuration rated for 20 amperes at 120/277 VAC. The Feraloy iron alloy enclosure measures 6.7 inches in height, 5.3 inches in depth, and 4.6 inches in width, with a total weight of 2.5 pounds. The unit carries Class I, Division 1 hazardous location certification with NEMA 3 weather protection rating, ensuring safe operation in environments containing flammable gases, vapors, and outdoor weather exposure.

Installation Process

1. Verify power is disconnected and lockout/tagout procedures are followed
2. Mount the switch assembly to appropriate explosion-proof junction box or enclosure
3. Connect incoming and outgoing conductors to switch terminals using proper wire nuts or terminal blocks
4. Ensure all threaded connections are properly tightened to maintain flame-proof joints
5. Install cover assembly and verify snap-action operation before energizing
6. Test switch operation and verify proper electrical continuity through all positions

Applications

Perfect for:

• Petrochemical Facilities - Refineries, chemical processing plants, and storage terminals
• Manufacturing Plants - Paint booths, solvent handling areas, and chemical processing zones
• Oil and Gas Operations - Drilling platforms, pump stations, and pipeline facilities
• Grain Handling Facilities - Elevators, mills, and storage facilities with combustible dust
• Aircraft Hangars - Maintenance areas and fuel handling zones
• Marine Applications - Ship engine rooms and fuel storage compartments
• Industrial Motor Control - Hazardous location pump and fan control applications
• Emergency Lighting Systems - Critical lighting control in classified areas

Hazardous Location Switch Benefits

Hazardous location switches like the DSD series provide essential safety advantages over standard electrical switches in classified environments. The explosion-proof construction contains any internal arcing or sparking, preventing ignition of surrounding flammable atmospheres. This makes them indispensable for facilities handling volatile chemicals, gases, or combustible dusts where worker safety and facility protection are critical.

Why Choose Feraloy Iron Alloy Construction?

Feraloy iron alloy offers superior strength and corrosion resistance compared to standard materials, making it ideal for harsh industrial environments. This premium material maintains structural integrity under extreme temperature variations and chemical exposure while providing the precise machining tolerances required for explosion-proof flame-path joints. Combined with Eaton Crouse-Hinds' century of electrical innovation, this switch assembly delivers the reliability and safety that electrical professionals demand for critical hazardous location applications.