Eaton STS367FP1 Shunt Trip Safety Switch - NEMA 4 Certified
Part Number: STS367FP1
Quick Summary
Eaton shunt trip safety switch STS367FP1 provides fast overcurrent protection for motor control centers and distribution panels. This device helps prevent equipment damage and unplanned downtime by rapidly isolating power in fault conditions. Engineers rely on UL Listed and cUL Certified protection for compliant installations, and the rugged NEMA 4 enclosure withstands harsh environments. With a three-pole design, 800 A rating, and 24 Vac coil, it integrates seamlessly into existing control schemes while delivering reliable performance. By choosing this shunt trip, teams gain improved safety, reduced nuisance trips, and streamlined maintenance through known specifications and standard Eaton accessories that fit common switchgear platforms.
Product Information
Extended Description
STS367FP1 Eaton: Eaton shunt trip safety switch, 800 A, 600 V, Three-pole, 600 Vac, 250 Vdc, 24 Vac, NEMA 4, Painted steel, Fusible
Product Name
Eaton shunt trip safety switch
Catalog Number
STS367FP1
UPC
786685829562
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 4
Enclosure material
Painted steel
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 - STS367FP1
Selling Policy 25-000 - Distribution and Control Products and Services
Feature 800 A amperage rating → Business Impact Greater headroom for demanding loads reduces the need for oversized components, lowering initial costs and maintenance complexity. Application Suitable for large motor circuits in switchgear and distribution panels. Feature 24 Vac coil and three-pole design → Business Impact Flexible control integration and reliable actuation across typical plant control architectures, enabling faster trip initiation with standard control circuits. Application Ideal for centralized protection schemes in industrial automation and machine rooms. Feature 600 Vac / 250 Vdc voltage ratings → Business Impact Wide application coverage across AC and DC feeders, supporting code-compliant disconnection in mixed electrical environments. Application Useful in panel upgrades and retrofit projects where dual-voltage capability matters. Feature NEMA 4 painted steel enclosure → Business Impact Superior environmental protection reduces ingress-related maintenance and prolongs service life in damp or outdoor installations. Application Suitable for wash-down areas and harsh plant floors where enclosure integrity matters. Feature UL Listed and cUL Certified → Business Impact Regulatory compliance simplifies audits and lowers risk of rejection during installation approvals. Application Essential for industrial facilities with stringent procurement and safety requirements. Feature Fusible protection and robust build → Business Impact Enhanced safety margins and predictable fault clearing improve uptime and reduce collateral damage during faults. Application Fit for integration with fusible switchgear configurations and standard Eaton components. Additional notes: Dimensions and weight (12.43 in depth, 71.72 in height, 29.54 in width, 167 lb) support explicit installation planning and mounting clearances, while the 800 A/600 Vac ratings align with common industrial protection strategies. Industry context indicates this device pairs well with modern motor control centers and distribution panels, easing procurement and maintenance workflows and supporting long-term Total Cost of Ownership (TCO) reduction.
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FAQs
Begin by verifying panel compatibility with a three-pole design and 24 Vac coil. Connect the control wiring to the 24 Vac coil per the Eaton installation guide, ensure proper grounding, and review the NEMA 4 enclosure mounting requirements. Confirm voltage ratings and ensure the device is integrated into the protection scheme for fast disconnection on fault signals, then perform a functional test to validate operation.
Key specs include an 800 A amperage rating, 600 Vac / 250 Vdc voltage ratings, and a 24 Vac coil. It is a three-pole device housed in a NEMA 4 painted steel enclosure, with fusible protection. The catalog number is STS367FP1, and the unit is UL Listed and cUL Certified, suitable for industrial protection applications.
Yes. The STS367FP1 is designed as a three-pole shunt trip safety switch that can retrofit into standard Eaton protection schemes and compatible switchgear footprints. Its fusible protection and coil options align with Eaton control centers and motor control configurations, simplifying substitution or upgrades without extensive rewiring.
The unit is UL Listed and cUL Certified, signaling compliance with recognized safety standards for electrical equipment. These certifications facilitate regulatory approvals, reduce audit risk, and support fast procurement for industrial facilities that demand documented safety and reliability.
The STS367FP1 reduces downtime by delivering rapid, reliable fault isolation, which minimizes equipment damage and production losses. Its robust enclosure and standard control compatibility simplify maintenance and future upgrades, delivering lower life-cycle costs and a quicker payback through improved system uptime and safety compliance.