Eaton STS367UD6 Shunt Trip Safety Switch - UL Listed
Part Number: STS367UD6
Quick Summary
Eaton shunt trip safety switch rapidly interrupts power in motor control centers and industrial panels. Maintenance teams often face nuisance trips and wiring complexity, making reliable protection a top concern. It carries UL Listed and cUL Certified markings, uses a rugged NEMA 12/3R enclosure, and operates with an 800 A rating and 24 Vdc coil. For engineers and technicians, the device delivers fast, dependable shutdowns without compromising safety or compliance. This combination supports ease of installation, seamless integration with existing Eaton protection devices, and a clear path to safer, more efficient panel operations. In short, it reduces downtime, lowers lifecycle costs, and strengthens protective interlock performance across critical loads.
Product Information
Extended Description
STS367UD6 Eaton: Eaton shunt trip safety switch, 800 A, Three-pole, 600 Vac, 250 Vdc, 24 Vdc, NEMA 12, NEMA 3R, Non-Fusible, 600 V
Product Name
Eaton shunt trip safety switch
Catalog Number
STS367UD6
UPC
786685830087
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 Vdc
Protection
Non-Fusible
Voltage rating
600 Vac, 250 Vdc
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - STS367UD6
Feature: 800 A, three-pole, non-fusible design provides robust protection for high-current motor control centers. Business impact: reduces fuse changes and fault propagation, delivering higher line reliability. Application: suitable for large MCCs and power distribution panels in heavy industry. Feature: 24 Vdc coil enables straightforward integration with common control circuits. Business impact: simplifies control wiring, lowers installation time, and minimizes wiring errors. Application: control panels and safety interlocks in automation lines. Feature: 600 Vac and 250 Vdc voltage ratings cover AC and DC demand in mixed systems. Business impact: expands field applicability, decreases need for adapters, improves project versatility. Application: industrial machines and process equipment with mixed voltage requirements. Feature: NEMA 12 and NEMA 3R enclosure ratings provide indoor protection and outdoor resilience where applicable. Business impact: reduces enclosure-related risk, supports compliant outdoor installations, and lowers enclosure retrofit costs. Application: panel enclosures in controlled facilities and outdoor equipment rooms. Feature: UL Listed and cUL Certified with a one-year warranty offer regulatory assurance and long-term support. Business impact: simplifies procurement, risk management, and service planning. Application: quality-focused implementations in manufacturing, petrochemical, and power generation environments. Feature: Non-Fusible design aligns with Eaton protection ecosystems and simplifies maintenance. Business impact: easier field service, faster fault isolation, and consistent performance in high-current circuits. Application: replacement in legacy Eaton systems and new installations in industrial automation.
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FAQs
The STS367UD6 is designed for three-pole installation in NEMA 12 and NEMA 3R enclosures, suitable for indoor and select outdoor environments. Ensure the panel enclosure provides adequate space for the 12.43 inch depth, 71.72 inch height, and 29.54 inch width, with proper clearance for wiring and service access. Follow standard Eaton mounting guidelines to maintain UL/cUL compliance during retrofit or new builds.
STS367UD6 supports an 800 A amperage rating with a 24 Vdc coil. It is rated for 600 Vac and 250 Vdc, allowing it to protect both AC and DC circuits within broad industrial power systems. This combination enables direct integration with typical motor control circuits and DC control logic without additional adapters.
Yes. The STS367UD6 carries UL Listed and cUL Certified markings, ensuring compatibility with UL/CSA compliant panels and safety programs. Its certification, combined with the NEMA 12/3R enclosure, supports compliance in many industrial facilities, automotive plants, and process environments while standardizing protection across control panels.
By using an 800 A three-pole, non-fusible design with a 24 Vdc coil, the STS367UD6 delivers rapid, dependable shutdown of high-current circuits. This reduces fault propagation and personnel exposure during power-down events, while the rugged enclosure and certifications help ensure consistent performance in demanding MCC environments and when integrating with existing Eaton protection devices.
The unit is backed by Eaton's warranty policy (25-000) with one year from installation or 18 months from shipment, whichever occurs first. Routine maintenance focuses on inspecting enclosure integrity, checking coil control wiring, and ensuring protective interlocks remain free of corrosion or damage. Regular checks support long-term reliability in high-current applications.