Eaton DSDTS21H6SA Timer - Hazardous Locations
Part Number: DSDTS21H6SA
Quick Summary
DSDTS21H6SA timer is a rugged timing device for hazardous locations, ideal for control panels and motor starters. Users struggle with unreliable delays in harsh environments, leading to downtime and safety risks. Certified for Hazardous/Classified Locations under NEC/CEC, it supports Class I, II and III with Division 1 and Division 2 ratings. Constructed from aluminum and designed for easy retrofit, it reduces wiring complexity and supports compact panel layouts. By delivering a six-hour delay across a 21-pole configuration, it delivers repeatable sequencing that improves process safety and operational efficiency. As an Eaton Crouse-Hinds product, it integrates with other timers and control components, simplifying procurement and service while boosting overall equipment reliability.
Product Information
Extended Description
DSDTS21H6SA Eaton Crouse-Hinds: Eaton Crouse-Hinds series DSD-TS timer, Aluminum, 6 hours, 21-pole
Product Name
Eaton Crouse-Hinds series DSD-TS timer
Catalog Number
DSDTS21H6SA
Product Length/Depth
3.5 in
Product Height
5.88 in
Product Width
5.5 in
UPC
662276850019
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class II, Division 1 Class II, Division 2 Class III Class I, Division 1 Class I, Division 2
Number Of Poles
21-pole
Time measurement
Hours
Number of hours
6
Material
Aluminum
Feature → The DSDTS21H6SA offers a six-hour delay with a 21-pole configuration, enabling extended sequencing without multiple devices. Business Impact → This consolidates control logic, reduces panel hardware, and lowers maintenance costs. Application → Suitable for complex conveyor lines, batch processes, and interlock sequences in hazardous environments. Feature → Aluminum enclosure provides durability with lighter weight than traditional metal housings. Business Impact → Easier handling during installation and retrofit, improved heat dissipation, and extended service life. Application → Ideal for retrofits in space-constrained control panels in mining, chemical processing, and offshore facilities. Feature → NEC/CEC compliance and Hazardous/Classified Locations ratings (Class I, II, III; Division 1 and 2). Business Impact → Maximizes regulatory alignment and reduces compliance risk, supporting safe operation approvals. Application → Critical for oil & gas, refineries, and tank farms. Feature → Compatibility within the Eaton timer family and straightforward procurement. Business Impact → Streamlines sourcing, reduces spare-part variety, and simplifies maintenance planning. Application → Fits alongside other DSD/TS timers in supervisory control schemes. Feature → Panel-friendly footprint with 3.5 in depth, 5.5 in width, and 5.88 in height. Business Impact → Enables easy mounting in standard enclosures and quick field wiring. Application → Suitable for retrofitting existing control cabinets in hazardous-area installations.
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FAQs
Installation should be performed by qualified personnel familiar with NEC/CEC requirements. Start by verifying the panel is rated for Hazardous/Classified Locations, mount the aluminum timer in the designated 21-pole rack, and connect per the control schematic. The device’s compact footprint facilitates retrofit in standard enclosures, and the 3.5 x 5.5 x 5.88 inch dimensions simplify wiring and mounting. Always observe proper grounding and interlock sequence to ensure compliant operation and predictable timing delays.
The timer provides a six-hour delay with a 21-pole configuration, using hours as the time measurement. Its aluminum housing supports durable, field-ready installations, and its 3.5 in depth, 5.5 in width, and 5.88 in height fit typical hazardous-area panels. This combination enables precise sequencing across complex control schemes while maintaining regulatory compliance.
Yes. The DSDTS21H6SA is certified for Hazardous/Classified Locations and supports Class I, II, and III with Division 1 and Division 2 ratings. This makes it suitable for oil & gas, chemical processing, mining, and other high-risk environments. Compatibility with NEC/CEC standards helps ensure safe installations and reduces compliance risk in critical control systems.
Industries including oil and gas, chemical processing, mining, and marine facilities benefit from the 21-pole DSDTS21H6SA due to its extended 6-hour delay, rugged aluminum construction, and hazardous-location certifications. Applications include sequenced control of pumps, mixers, and interlocks in hazardous environments where reliable timing is essential for safety and throughput.
You can access the DSD-TS Explosionproof Timers catalog page and the Eaton specification sheet for DSDTS21H6SA from the provided downloads. The catalog page offers installation context and product integration guidance, while the datasheet provides detailed electrical and mechanical specifications to support engineering inquiries and procurement decisions.