Eaton STS367UW11 Shunt Trip Safety Switch - NEMA 4X
Part Number: STS367UW11
Quick Summary
Eaton shunt trip safety switch provides fast, fail-safe interruption of power in motor control and equipment protection applications. Facilities struggle with unplanned downtime caused by slow or unreliable protective trips, leading to lost production and increased maintenance. UL Listed and cUL Certified, with a rugged 304 stainless steel enclosure and a NEMA 4X rating, this unit is built for harsh environments. The 800 A three-pole configuration and 24 Vac coil simplify integration with modern control schemes, while delivering robust protection for industrial electrical protection and control systems. Designed to support reliable protection devices in large-scale installations, it also aligns with practical procurement and lifecycle cost considerations.
Product Information
Extended Description
STS367UW11 Eaton: Eaton shunt trip safety switch, 800 A, Three-pole, 600 Vac, 250 Vdc, Alarm switch, 24 Vac, 1 NO 1 NC, NEMA 4X, 304 stainless steel, Non-Fusible, 600 V
Product Name
Eaton shunt trip safety switch
Catalog Number
STS367UW11
UPC
786685830216
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 4X
Enclosure material
304 stainless steel
Number Of Poles
Three-pole
Type
Shunt trip safety switch
Amperage Rating
800A
Coil voltage
24 Vac
Protection
Non-Fusible
Voltage rating
600 Vac, 250 Vdc
Contact configuration
1 NO 1 NC
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - STS367UW11
Feature: 304 stainless steel, NEMA 4X enclosure provides superior corrosion resistance in washdown and outdoor environments. Business Impact: Extends service life, reduces maintenance cycles, and lowers total cost of ownership in harsh facilities. Application: Food & beverage, chemical processing, outdoor switchgear installations. Feature: 800 A amperage rating with three-pole construction supports high-current protection. Business Impact: Enables safe isolation of large motor feeders and MCCs, minimizing arc exposure and downtime. Application: Heavy-duty motor control centers and compressors. Feature: 600 Vac / 250 Vdc voltage rating with non-fusible operation. Business Impact: Flexible, reliable power switching without fuse replacements, improving uptime and safety compliance. Application: Industrial drives and general purpose protection panels. Feature: 24 Vac coil with 1 NO 1 NC contact and an integrated alarm switch. Business Impact: Easy integration with PLCs or DCS for trip signaling and remote fault indication, reducing nuisance trips. Application: Control room signaling and remote monitoring. Feature: UL Listed and cUL Certified with documented warranty coverage. Business Impact: Streamlined procurement and regulatory confidence, backed by Eaton’s warranty policy for uptime assurance. Application: Certified protective switching in compliant electrical protection systems.
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FAQs
Plan for mounting the three-pole unit in a suitable enclosure space to accommodate its 29.54 in width, 71.72 in height, and 12.43 in depth. Ensure a secure mechanical fit and clear access to the 1 NO 1 NC alarm contacts. Verify supply wiring for 24 Vac coil and separate control circuits, with UL and cUL labeling visible for inspections.
The device is rated for 800 A with a 600 Vac / 250 Vdc voltage range, non-fusible configuration, and three-pole construction. These specs support rapid, full-load interruption of large motor feeders while maintaining safety margins. The 24 Vac coil enables straightforward integration with standard control logic without high-power control wiring.
Yes. The unit is UL Listed and cUL Certified, confirming adherence to recognized safety standards. Its NEMA 4X enclosure in 304 stainless steel provides corrosion resistance suitable for washdown and harsh environments, while the three-pole, non-fusible design supports reliable protection in industrial electrical protection and control systems.
Absolutely. The product includes an alarm switch with a 1 NO 1 NC contact configuration, allowing remote signaling to PLCs or SCADA. Combined with a 24 Vac coil, this enables fast, reliable trip announcements and fault signaling, facilitating timely operator actions and automated safety interlocks.
The durable 304 stainless steel enclosure and non-fusible design reduce routine maintenance and fuse replacements, lowering operating costs. UL/cUL certification and a robust warranty policy support long-term reliability. In high-demand facilities, deploying this switch can shorten downtime events and improve overall equipment effectiveness (OEE) by ensuring dependable trip performance.