Eaton STS367UD11 Shunt Trip Safety Switch - UL Listed
Part Number: STS367UD11
Quick Summary
Eaton STS367UD11 Shunt Trip Safety Switch enables rapid circuit isolation in industrial control panels. For facilities needing reliable tripping in demanding environments, quick fault isolation minimizes downtime and protects personnel. It carries UL Listed and cUL Certified safety assurances and features a rugged NEMA 12/3R enclosure for weather and dust tolerance. The three-pole, non-fusible design handles up to 800 A with a 24 Vac coil and a 600 V rating, providing a versatile solution across motor controllers and MCCs. As part of Eaton's Electrical Protection & Circuit Control portfolio, this device supports compliant safety switching in industrial automation, offering straightforward installation, robust performance, and long-term serviceability in harsh environments.
Product Information
Extended Description
STS367UD11 Eaton: Eaton Shunt trip safety switch, 800 A, 1NO/1NC alarm switch only, Coil V: 24 Vac, NEMA 12/3R, 600 V, Three-pole, Non-fusible
Product Name
Eaton shunt trip safety switch
Catalog Number
STS367UD11
UPC
786685830032
Product Length/Depth
12.43 in
Product Height
71.72 in
Product Width
29.54 in
Product Weight
158 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed cUL Certified
Enclosure
NEMA 12, NEMA 3R
Number Of Poles
Three-pole
Type
Shunt trip safety switch
Amperage Rating
800A
Coil voltage
24 Vac
Protection
Non-fusible
Voltage rating
600 V
Contact configuration
1 NO/NC
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
Eaton Specification Sheet - STS367UD11
Feature 1: 800 A Amperage Rating → Business Impact: Supports high-current circuits without nuisance tripping, reducing downtime and maintenance costs; Application: Motor control centers and large motor feeders in manufacturing floors. Feature 2: 24 Vac Coil Voltage → Business Impact: Enables remote actuation from central safety interlocks and PLCs, lowering control wiring complexity and maintenance; Application: Plant-wide safety interlock schemes and remote safety signaling. Feature 3: 1 NO/1 NC Alarm Contact → Business Impact: Facilitates integrated fault signaling to SCADA/PLC systems, enabling faster response and improved diagnostics; Application: Alarm annunciation in control panels and MCCs. Feature 4: NEMA 12/3R Enclosure → Business Impact: Provides rugged protection against dust, moisture, and wash-downs, reducing field failures and service calls; Application: Harsh industrial environments and damp or dusty facilities. Feature 5: Three-pole, Non-fusible Design → Business Impact: Simplifies wiring and improves safety margins by avoiding accidental fuse coordination issues; Application: Three-phase protection in electrical distribution panels and motor starters. Feature 6: UL Listed and cUL Certified → Business Impact: Ensures regulatory compliance and reduces qualification time for panels and MCCs; Application: Industrial projects requiring proven safety certifications and standard-compliant components. Overall, STS367UD11 integrates seamlessly with Eaton’s electrical protection and circuit control ecosystem, delivering dependable performance, straightforward installation, and a clear pathway to ROI through reduced downtime and enhanced safety in demanding manufacturing and process environments.
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FAQs
Installation begins by confirming the device is rated for 800 A and 600 V, then wiring the 24 Vac coil to the remote control signal and connecting the 1 NO/1 NC alarm contact for signaling. Mount the unit in a compatible NEMA 12/3R enclosure and verify proper conductor sizing, clearances, and torque recommendations per Eaton spec sheets.
Key specs include an 800 A amperage rating, 24 Vac coil voltage, 600 V maximum voltage rating, and a non-fusible protection type. The contact configuration is 1 normally open and 1 normally closed, with an integrated alarm contact for remote signaling.
Yes. The three-pole, non-fusible design with a rugged NEMA 12/3R enclosure makes it well-suited for MCCs and large motor feeders. It supports rapid isolation per control panel safety requirements while maintaining compatibility with standard MCC wiring practices and Eaton’s protection ecosystem.
The STS367UD11 is UL Listed and cUL Certified, providing recognized safety assurances for North American installations. Its NEMA 12/3R enclosure adds environmental protection suitable for industrial settings.
Follow Eaton’s warranty and maintenance guidance: one-year warranty from installation or eighteen months from shipment, whichever occurs first. Regular visual inspections, wear checks on connections, and periodic functional trip tests via a calibrated remote signal help ensure reliable operation in safety-critical applications.