Eaton STS367FP61 Shunt Trip Safety Switch - UL Listed
Part Number: STS367FP61
Quick Summary
Eaton shunt trip safety switch is a high-current protective device designed to rapidly isolate large electrical loads in industrial environments. Engineers often confront safety and downtime challenges when protection relays fail or wiring becomes complex, risking personnel exposure and production delays. This unit is UL Listed and cUL Certified with a rugged NEMA 4 painted-steel enclosure, 800 A rating, and a 24 Vdc coil for fast actuation. Its three-pole design and 1 NO-1 NC configuration simplify wiring and integration in existing systems. For motor control centers and power-distribution schemes, it delivers solid safety, reliable operation, and measurable reductions in maintenance costs, while supporting compliance with code-based protection strategies.
Product Information
Extended Description
STS367FP61 Eaton: Eaton shunt trip safety switch, 800 A, Three-pole, 600 Vac, 250 Vdc, Alarm switch, 24 Vdc, 1 NO-1 NC, NEMA 4, Painted steel, Fusible, 600 V
Product Name
Eaton shunt trip safety switch
Catalog Number
STS367FP61
UPC
786685829630
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
UL Listed cUL Certified
Auxiliary contacts
Alarm switch
Enclosure
NEMA 4
Enclosure material
Painted steel
Number Of Poles
Three-pole
Type
Shunt trip safety switch
Amperage Rating
800A
Coil voltage
24 Vdc
Protection
Fusible
Voltage rating
600 Vac, 250 Vdc
Contact configuration
1 NO-1 NC
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
Eaton Specification Sheet - STS367FP61
Feature: 800 A amperage rating and three-pole construction. Business Impact: Enables safe isolation of large motor loads, reducing the risk of arc flash and unplanned downtime. Application: Ideal for MCCs and feeder sections where high current protection is required. The STS367FP61 supports robust protection strategies in demanding environments. Feature: 24 Vdc coil with a 1 NO-1 NC alarm contact. Business Impact: Facilitates precise triggering and integrated signaling to control systems, enabling coordinated safety interlocks. Application: Suitable for remote annunciation and PLC/SCADA integration in industrial facilities. Feature: 600 Vac / 250 Vdc voltage ratings with fusible protection. Business Impact: Ensures correct voltage handling and predictable electrical isolation, aligning with safety standards and reducing nuisance trips. Application: Suitably paired with high-energy distribution equipment in harsh industrial settings. Feature: NEMA 4 painted steel enclosure. Business Impact: Provides weather resistance and ingress protection for indoor and outdoor installations, lowering enclosure-related maintenance. Application: Common in harsh environments like manufacturing floors and outdoor switchgear. Feature: Warranty and reliability. Business Impact: One-year warranty from installation or 18 months from shipment supports lifecycle budgeting and service planning. Application: Reduces total cost of ownership and improves procurement confidence. Industry context: This configuration is widely adopted in motor-control centers and power-distribution schemes seeking robust protection, straightforward installation, and compliance with UL and cUL requirements.
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FAQs
STS367FP61 should be mounted in a compatible enclosure with NEMA 4 protection. Ensure wiring follows the 1 NO-1 NC configuration, connect the 24 Vdc coil to the control supply, and integrate the alarm switch with your annunciation system. Confirm UL Listed and cUL Certified compliance during panel assembly and verify proper torque on terminations for reliable operation.
The switch is rated for 800 A with a voltage rating of 600 Vac and 250 Vdc. It features a 24 Vdc coil and a 1 NO-1 NC contact configuration, plus an alarm contact. This combination supports direct control and signaling in industrial control panels while maintaining safe isolation capabilities.
Yes. With its three-pole design, 800 A rating, 600 Vac / 250 Vdc capability, and NEMA 4 enclosure, the STS367FP61 is well suited for MCCs and large power distribution zones where rapid isolation and reliable safety interlocks are required.
This unit is UL Listed and cUL Certified, indicating compliance with recognized electrical safety standards. The NEMA 4 enclosure adds environmental protection for indoor and outdoor installations, supporting robust, code-compliant operation in industrial settings.
The unit offers a durable mechanical design with a one-year warranty from installation (or 18 months from shipment), reducing lifecycle risk. Its robust ratings and signaling capability help lower downtime and simplify maintenance planning, delivering a favorable total cost of ownership in high-demand manufacturing environments.