Eaton DSD SR30620 SX178 Selector Switch - Hazardous
Part Number: DSD SR30620 SX178
Manufacturer
Eaton Crouse-Hinds
Part number
DSD SR30620 SX178
Quick Summary
The Eaton DSD SR30620 SX178 selector switch provides reliable control for hazardous location equipment in industrial plants. Lockout for two-position operation reduces accidental starts during maintenance, addressing live-line risk and compliance demands. It is designed for Hazardous/Classified Locations with NEC/CEC compliance and a rugged NEMA rating, ensuring safe, code-compliant operation in tough environments. Compatible with EDS/EFS back boxes, this six-pole, two-position switch handles 600 Vac at 30 A, delivering dependable control for motors, feeders, and line-side circuits. For procurement teams, this means reduced downtime, easier maintenance, and safer, compliant installations.
Product Information
Extended Description
DSD SR30620 SX178 Eaton Crouse-Hinds: Eaton Crouse-Hinds series DSD-SR selector switch, 30A, Six-pole, 2, Lockout for two position switch, handle in either position, On/Off, 600 Vac, EDS/EFS back boxes
Product Name
Eaton Crouse-Hinds series DSD-SR selector switch
Catalog Number
DSD SR30620 SX178
Product Length/Depth
2.38 in
Product Height
5.875 in
Product Width
3.5 in
Product Weight
1.65 lb
UPC
662276850095
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class III Class II, Division 1 Class I, Division 1
NEMA Rating
5 12 3
Amperage Rating
30A
Voltage rating
600 Vac
Switch function
On/Off
Number Of Poles
Six-pole
Number Of Positions
2
Special features
Lockout for two position switch, handle in either position
Used with
EDS/EFS back boxes
DSD-SR Series Explosionproof HP Rated Selector Switch Sub-assembly catalog page
DSD-SR Explosionproof HP Rated Selector Switch Sub-assembly Canadian certification
DSD-SR Explosionproof HP Rated Selector Switch Sub-assembly Canadian certification
Eaton Specification Sheet - DSD SR30620 SX178
Six-pole, two-position configuration reduces panel complexity and wiring errors while delivering centralized control for multiple circuits. Business impact: streamlined wiring, faster commissioning, and improved reliability in harsh environments. Application: motor control and sequencing in hazardous locations where space is at a premium and multi-circuit control is required. The 30 A, 600 Vac rating supports demanding loads with a single device, lowering hardware counts and potential voltage drop across panels. Business impact: cost reduction and simpler electrical design. Application: feeder and start/stop circuits for pumps, conveyors, and fans in hazardous plants. Lockout for two-position operation enhances maintenance safety, supporting lockout-tagout compliance and worker protection. Application: isolated servicing during preventive maintenance or fault isolation in chemical processing facilities. This selector switch is compatible with EDS/EFS back boxes, enabling quick mounting and straightforward wiring. Business impact: faster field installation and easier retrofits. Certification alignment with NEC/CEC and Hazardous/Classified Locations reduces regulatory risk. Application: panel shops and OEMs targeting compliant, future-proof control solutions. NEMA Rating supports dust, water, and corrosion resistance, extending service life in rugged environments. Application: industrial settings with harsh ingress and demanding uptime requirements.
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FAQs
Installers should verify area classifications per NEC/CEC, mount the selector switch into an EDS/EFS back box, and wire per the device’s wiring diagram. Ensure proper torque on terminals, engage the lockout mechanism during servicing, and confirm enclosure integrity per NEMA guidelines. The back box compatibility streamlines alignment, reducing field modifications and speeding up commissioning in hazardous environments.
Key specs include 30 A amperage, 600 Vac voltage rating, On/Off switch function, six poles, and two positions. The unit features a two-position lockout capability for safe maintenance. It’s designed for hazardous locations with NEC/CEC compliance and a NEMA rating suitable for demanding industrial panels.
Yes. The DSD SR30620 SX178 is engineered for Hazardous/Classified Locations and supports NEC/CEC standards with appropriate NEMA ratings. Its six-pole, two-position design, lockout feature, and EDS/EFS back box compatibility make it ideal for chemical processing, refineries, and other environments where safe, reliable 600 Vac control is required.
The unit complies with NEC/CEC standards and is suitable for Hazardous/Classified Locations. It also carries a NEMA rating of 5, 12, 3, indicating enclosure protection. These certifications help ensure regulatory compliance, safer installations, and reliable performance in demanding industrial settings.
Benefits include enhanced maintenance safety via lockout functionality, reduced downtime through compatible back boxes and straightforward wiring, and lower lifecycle costs due to robust enclosure protection and reliable 600 Vac performance. The product supports faster commissioning and smoother retrofits, delivering a clear ROI for facilities with strict safety and uptime requirements.