Eaton shunt trip safety switch STS367UW14 - NEMA 4X
Part Number: STS367UW14
Quick Summary
Eaton shunt trip safety switch STS367UW14 provides emergency shutdown control for electrical panels in industrial facilities. When protection relays fail or trips are slow, unplanned downtime and safety risks rise. This unit carries cUL Certified and UL Listed marks, a NEMA 4X enclosure, and 304 stainless steel construction for corrosion-prone environments. The three-pole, non-fusible design includes a 24 Vac coil and a 1 NO 1 NC auxiliary contact, enabling reliable signaling and interlock functionality. Its robust build and wide voltage ratings simplify integration in industrial control systems, delivering safety, compliance, and long-term cost reductions for panel builders and operators.
Product Information
Extended Description
STS367UW14 Eaton: Eaton shunt trip safety switch, 800 A, Three-pole, 600 Vac, 250 Vdc, Alarm switch, Auxiliary contact, 24 Vac, 1 NO 1 NC, NEMA 4X, 304 stainless steel, Non-Fusible, 600 V
Product Name
Eaton shunt trip safety switch
Catalog Number
STS367UW14
UPC
786685830223
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
cUL Certified UL Listed
Auxiliary contacts
Auxiliary contact
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 - STS367UW14
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 800A amperage rating with a three-pole configuration and voltage rating of 600 Vac / 250 Vdc. Benefit: Provides strong protection for heavy motor loads and critical circuits, reducing the risk of arc flash and equipment damage. Application: Motor control centers and large switchgear where high-current isolation is essential. Feature: NEMA 4X enclosure in 304 stainless steel. Benefit: Excellent corrosion resistance and durability in washdown and harsh environments, lowering maintenance costs and extending service life. Application: Food processing, chemical plants, and outdoor installations. Feature: 24 Vac coil with 1 NO 1 NC auxiliary contact and alarm signaling. Benefit: Enables remote signaling and interlocks without additional adapters, enhancing operator awareness and safety interlocks. Application: Plant-wide safety circuits and supervisory controls. Feature: Non-Fusible design. Benefit: Simplifies servicing and replacement of protective components, reducing downtime during maintenance windows. Application: Routine panel maintenance and retrofit projects. Feature: Compact footprint with precise dimensions and a secure mounting footprint. Benefit: Facilitates installation in standard electrical panels with predictable space planning, improving installation efficiency. Application: New panel builds and retrofits in industrial environments. Feature: Compliance-ready with cUL Listed and UL Certification. Benefit: Assures regulatory compliance and reduces engineering verification time. Application: Panels requiring recognized safety certifications for industrial deployments.
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FAQs
Begin by selecting a compatible NEMA 4X panel enclosure and confirm enclosure mounting provisions. Mount the STS367UW14 securely, wire the 24 Vac coil to the control source, and connect the 1 NO 1 NC auxiliary contact to the alarm/signal circuit. Verify the non-fusible main path is properly isolated and perform standard electrical tests to confirm operation.
Key specifications include an 800A amperage rating, three-pole construction, and voltage ratings of 600 Vac and 250 Vdc. The coil operates at 24 Vac, with an integral alarm switch and a 1 NO 1 NC auxiliary contact. It is designed as a non-fusible device suitable for high-current protection.
Yes. The unit features a NEMA 4X enclosure and 304 stainless steel construction, offering excellent corrosion resistance and durability in washdown, chemical, and outdoor installations. This makes it well-suited for food processing, chemical plants, and other facilities requiring robust environmental protection.
STS367UW14 is cUL Certified and UL Listed, providing recognized safety and performance validation. These certifications support compliance in many global markets and streamline acceptance in panel builds for industrial applications, reducing engineering verification time and ensuring adherence to established safety standards.
The non-fusible design simplifies servicing and replacement of protective components, minimizing downtime during maintenance. Built for durability with a 304 stainless steel enclosure and a 600 Vac rating, it offers long service life in demanding environments, contributing to lower total cost of ownership and higher system availability.