Eaton DSD SR30220 Selector Switch - Hazardous Locations

Part Number: DSD SR30220
Eaton Crouse-Hinds logo
Manufacturer
Eaton Crouse-Hinds
Part number
DSD SR30220

Quick Summary

DSD SR30220 selector switch provides safe on/off control for hazardous-location electrical equipment. For engineers, meeting NEC/CEC requirements while minimizing downtime in explosive atmospheres remains a challenge. This unit carries NEC/CEC compliance with hazardous ratings including Class I, Division 1 (and Class II, Division 1, Class III) and is compatible with NEMA configurations 3, 5, and 12, reinforcing reliable protection. Its durable construction and EDS/EFS back box compatibility support quick, code-compliant installations and predictable performance in harsh environments, while the 30A, 600 Vac rating delivers consistent control under load. With up to two poles and two positions, it offers clear operator feedback and reduced maintenance overhead, translating into safer operations and lower lifecycle costs.

Product Information

Extended Description

DSD SR30220 Eaton Crouse-Hinds: Eaton Crouse-Hinds series DSD-SR selector switch, 30A, Two-pole, 2, On/Off, 600 Vac, EDS/EFS back boxes
Product Name
Eaton Crouse-Hinds series DSD-SR selector switch
Catalog Number
DSD SR30220
Product Length/Depth
2.38 in
Product Height
5.875 in
Product Width
3.5 in
Product Weight
1.53 lb
UPC
662276036932
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
Two-pole
Number Of Positions
2
Used with
EDS/EFS back boxes
Feature: 30A, 600 Vac rating provides dependable control for demanding loads in hazardous locations. Business impact: engineers gain a margin for startup surges and peak demand, reducing nuisance trips and safeguarding equipment. Application: ideal for motor control centers, feeders, and panel enclosures where explosive atmospheres require certified switching solutions. Feature: Two-pole, two-position configuration simplifies wiring and provides clear operator feedback, reducing installation time and error-prone wiring. Business impact: simpler schematics translate to faster commissioning and lower labor costs on large installations. Application: suitable for standalone control points or distributed panels in chemical, oil & gas, and mining facilities. Feature: On/Off switch function delivers unambiguous control for critical processes, improving operability under adverse conditions. Business impact: minimizes operator confusion and enhances safety, especially during lockout/tagout procedures. Application: panels serving pumps, fans, and conveyors in hazardous areas. Feature: EDS/EFS back box compatibility ensures compliant mounting with rapid field installation. Business impact: reduces enclosure complexity and ensures regulatory compliance with NEC/CEC. Application: retrofit or new-build projects in Class I, II, III locations. Feature: NEC/CEC compliance, Hazardous/Classified Locations rating, and NEMA 3, 5, 12 protection provide regulatory assurance and long service life. Business impact: lowers maintenance costs and extends service intervals. Application: multi-location control schemes in industrial plants. Feature: Durable construction and clearly labeled actuators improve reliability in tough environments. Business impact: minimizes downtime due to wear, enabling predictable production schedules. Application: severe-duty panels in refineries and processing facilities. Installation and compatibility considerations: standard EDS/EFS back boxes simplify wiring and enclosure integration, while the switch dimensions fit typical control panels without rework. This aligns with common procurement workflows and reduces field modification time, addressing a frequent customer objection about adapting legacy panels to new explosion-protected controls.

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FAQs

The DSD SR30220 is designed to work with Eaton’s EDS/EFS back boxes, enabling compliant mounting in hazardous locations. This compatibility simplifies field wiring, reduces enclosure modification, and supports rapid commissioning in Class I, Division 1 environments while preserving correct clearances and contact protection.
DSD SR30220 provides a 30A amperage rating and a 600 Vac voltage rating. It is a two-pole, two-position selector switch with an On/Off function, suitable for controlling high-load devices and motor circuits in hazardous locations, and compatible with back boxes for secure installation.
Yes. The unit supports NEC hazardous location ratings including Class I, Division 1, along with Class II Division 1 and Class III, and is intended for Hazardous/Classified Locations. It also aligns with NEC/CEC standards and NEMA ratings 3, 5, and 12 for robust protection.
Prioritize using the EDS/EFS back boxes designed for hazardous locations, verify enclosure suitability, and confirm proper wiring per NEC/CEC guidelines. The 2P2S On/Off design, 600 Vac rating, and 30A capacity support reliable operation, while standard back-box compatibility reduces field labor and commissioning time, contributing to higher uptime.
Investing in the DSD SR30220 yields ROI through reduced downtime, improved regulatory compliance, and longer service life in hazardous environments. Its rugged construction, clear operator feedback, and compatible back boxes streamline installation and maintenance, lowering lifecycle costs and limiting costly outages in Class I, II, and III installations.