Eaton DSD SR30320 S391 Selector Switch - Hazardous Locations

Part Number: DSD SR30320 S391
Eaton Crouse-Hinds logo
Manufacturer
Eaton Crouse-Hinds
Part number
DSD SR30320 S391

Quick Summary

The Eaton Crouse-Hinds DSD SR30320 S391 selector switch provides reliable on/off control for hazardous-location panels in industrial environments. This solution helps engineers and technicians prevent downtime caused by switches that corrode, seize, or fail under demanding conditions. The unit carries NEC/CEC hazardous-location certifications with Class I, Division 1; Class II, Division 1; Class III ratings and is compatible with demanding NEMA enclosures (3, 5, 12). Built for rugged installation, it pairs with EDS/EFS back boxes and a 600 Vac supply, delivering safer operation and longer service life. By combining robust mechanical design with codes-compliant performance, it supports safer startups, easier maintenance, and reduced total cost of ownership in critical facilities.

Product Information

Extended Description

DSD SR30320 S391 Eaton Crouse-Hinds: Eaton Crouse-Hinds series DSD-SR selector switch, 30A, Three-pole, 2, Stainless steel cover bolts, On/Off, 600 Vac, EDS/EFS back boxes
Product Name
Eaton Crouse-Hinds series DSD-SR selector switch
Catalog Number
DSD SR30320 S391
Product Length/Depth
2.38 in
Product Height
5.875 in
Product Width
3.5 in
Product Weight
1.6 lb
UPC
622692128970
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 1 Class II, Division 1 Class III
NEMA Rating
3 5 12
Amperage Rating
30A
Voltage rating
600 Vac
Switch function
On/Off
Number Of Poles
Three-pole
Number Of Positions
2
Special features
Stainless steel cover bolts
Used with
EDS/EFS back boxes
Feature: 30A at 600 Vac rating in a three-pole, two-position On/Off configuration. Business Impact: Handles demanding motor and circuit loads with safe fault isolation, reducing overheating and unexpected shutdowns. Application: Ideal for starter circuits and control panels in hazardous locations where dependable control is essential. Feature: Stainless steel cover bolts. Business Impact: Improves corrosion resistance and tamper-resistance in aggressive environments, lowering maintenance frequency and parts replacement costs. Application: Suitable for chemical plants, refineries, and mining facilities. Feature: On/Off function with clear two-position operation. Business Impact: Provides straightforward, unambiguous operator feedback, speeding start-up sequences and minimizing human error during panel operation. Application: Local control points and emergency shutoff stations in industrial plants. Feature: Compatibility with EDS/EFS back boxes. Business Impact: Streamlines installation and retrofits, reducing field labor and enabling faster project delivery. Application: New builds and retrofits in hazardous-area control architectures. Feature: NEC/CEC compliance and NEMA ratings (Class I/Division 1, Class II/Division 1, Class III; NEMA 3, 5, 12). Business Impact: Ensures regulatory alignment and enclosure protection, enabling safer, code-compliant installations. Application: Utilities, petrochemical, and mining sectors requiring strict hazardous-location compliance. Additional Context: Compact footprint (2.38 in depth, 3.5 in width, 5.875 in height) and 1.6 lb weight support easy mounting and integration into existing panels without excessive enclosure modification.

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FAQs

Yes. The DSD SR30320 S391 is designed to be used with EDS/EFS back boxes, enabling straightforward installation and reliable enclosure integration in hazardous locations.
The unit is rated for 30A and 600 Vac, suitable for controlling high-load circuits in demanding industrial environments.
Yes. It carries NEC/CEC hazardous-location certifications with Class I, Division 1; Class II, Division 1; Class III ratings and aligns with NEMA 3, 5, 12 enclosure standards.
It adheres to NEC/CEC standards for hazardous locations, is listed for Class I/Division 1, Class II/Division 1, Class III, and has NEMA ratings of 3, 5, and 12, supporting compliant panel designs.
Stainless steel cover bolts offer improved corrosion resistance and tamper resistance, reducing maintenance needs and extending service life in harsh industrial settings.