Eaton STS367FD1 Shunt Trip Safety Switch - UL Listed/NEMA 3R
Part Number: STS367FD1
Quick Summary
The Eaton STS367FD1 shunt trip safety switch provides remote, fast isolation for large electrical feeders in industrial power systems. This device enables fail-safe shutdowns in emergency scenarios, reducing risk to personnel and equipment. With UL Listed and cUL Certified markings and a rugged NEMA 12/NEMA 3R enclosure, it is designed for demanding installation environments. The 800 A rating and 24 Vac coil support reliable, ready-to-trip performance, while the 600 Vac / 250 Vdc ratings accommodate mixed voltage installations. Built for retrofit and new builds alike, this switch integrates with control circuits without excessive wiring, helping maintenance teams meet uptime targets, simplify compliance, and streamline panel design for safer, smarter automation.
Product Information
Extended Description
STS367FD1 Eaton: Eaton shunt trip safety switch, 800 A, Three pole, 600 Vac, 250 Vdc, 24 Vac, NEMA 12, NEMA 3R, Fusible, 600 V
Product Name
Eaton shunt trip safety switch
Catalog Number
STS367FD1
UPC
786685829470
Product Length/Depth
12.43 in
Product Height
71.72 in
Product Width
29.54 in
Product Weight
167 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
Enclosure
NEMA 12, NEMA 3R
Number Of Poles
Three-pole
Type
Shunt trip safety switch
Amperage Rating
800A
Coil voltage
24 Vac
Protection
Fusible
Voltage rating
600 Vac, 250 Vdc
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - STS367FD1
Feature: Remote shunt trip capability with a 24 Vac coil enables rapid, coordinated shutdown of large three-pole circuits. Business Impact: Improves safety margins during fault conditions and reduces exposure time for operators. Application: Motor control centers and safety interlock panels where quick disconnect is critical. Feature: High current rating of 800 A supports heavy feeders, minimizing system while-still risks. Business Impact: Lower component count and enhanced protection for high-load equipment. Application: Large drives, presses, and packaging lines where uptime matters. Feature: Broad voltage ratings—600 Vac and 250 Vdc—offer versatility across mixed AC/DC environments. Business Impact: Simplifies procurement and reduces spare parts stocks while maintaining compliance. Application: Mixed-voltage control panels and industrial power distribution. Feature: enclosure ratings of NEMA 12 and NEMA 3R provide indoor and outdoor compatibility. Business Impact: Durable protection against dust, moisture, and incidental weather exposure, lowering maintenance needs. Application: Outdoor switchgear enclosures and harsh factory floors. Feature: Fusible protection and safety certifications (UL Listed, cUL Certified) ensure regulatory alignment and reliable overload protection. Business Impact: Decreases risk of electrical fires and supports audit-ready safety documentation. Application: Safety-critical circuits and compliance-forward installations. Feature: Clear physical footprint and substantial enclosure size support straightforward integration with existing panels. Business Impact: Reduces retrofit time, improves wiring layouts, and optimizes space in panel boards. Application: Retrofit projects and new builds requiring scalable protection solutions.
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FAQs
Yes. The STS367FD1 is designed as a three-pole shunt trip safety switch rated for 600 Vac with an 800 A capacity and a 24 Vac coil. It supports reliable remote tripping in large three-phase circuits commonly found in motor control centers and industrial distribution panels.
Key ratings include 800 A amperage, 600 Vac voltage rating, 250 Vdc, and a 24 Vac coil. The device is fusible and engineered for NEMA 12, NEMA 3R enclosures, making it suitable for indoor and restricted outdoor environments with appropriate protection.
The STS367FD1 carries UL Listed and cUL Certified marks, indicating compliance with established safety standards. These certifications support regulatory acceptance and facilitate safer panel installations in industrial facilities.
A shunt trip switch enables remote, instantaneous disconnection of power to critical circuits, reducing exposure during faults and enabling rapid fault isolation. This improves operator safety, minimizes cascade failures, and helps maintain overall production uptime in demanding environments.
Plan for a three-pole configuration with a 24 Vac coil, ensure compatibility with 600 Vac/250 Vdc loads, and account for the substantial enclosure footprint (NEMA 12/3R). Verify mounting in a suitable indoor/outdoor enclosure and confirm wiring alignment with control circuits to optimize retrofit or new-build timelines.