Eaton STS367FP34 Shunt Trip Safety Switch - UL Listed
Part Number: STS367FP34
Quick Summary
STS367FP34 shunt trip safety switch by Eaton delivers dependable circuit protection for industrial control panels and motor applications. This device rapidly interrupts power to prevent equipment damage and injury, reducing downtime during fault events. The unit’s rugged 3-pole design handles up to 800 A with a 600 Vac / 250 Vdc rating, while the built-in alarm contact provides early fault signaling for remote monitoring. UL Listed and cUL Certified, with a NEMA 4 painted steel enclosure, ensure operation in harsh environments and compliance with safety standards. Using this switch simplifies protection schemes in MCCs and panel boards, supporting quick integration with control relays and safety interlocks, delivering measurable reliability gains for your plant.
Product Information
Extended Description
STS367FP34 Eaton: Eaton shunt trip safety switch, 800 A, Three pole, 600 Vac, 250 Vdc, Alarm switch, 120 Vac, 1 NO 1 NC, NEMA 4, Painted steel, Fusible, 600 V
Product Name
Eaton shunt trip safety switch
Catalog Number
STS367FP34
UPC
786685829616
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
120 Vac
Protection
Fusible
Voltage rating
600 Vac, 250 Vdc
Contact configuration
1 NO 1 NC
Double Up on Safety
Double Up on Safety
Double Up on Safety
Eaton Specification Sheet - STS367FP34
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: High-current protection enables continuous operation under demanding loads. Business Impact: With an 800 A amperage rating, it can protect large motors and feeders without frequent device changes. Application: suitable for motor control centers and distributed feeder protection in manufacturing lines, reducing downtime and extending equipment life. Feature: Comprehensive voltage compatibility and coil voltage. Impact: 600 Vac and 250 Vdc ratings, plus a 120 Vac coil, allow seamless coordination with existing control circuits and contactors, minimizing rewiring and integration time. Application: panelboards and MCCs where both AC mains and DC control circuits are present, enabling reliable safety interlocks. Feature: Robust enclosure and environmental resistance. Impact: NEMA 4 painted steel enclosure protects against dust, water, and incidental impact, lowering maintenance costs and extending service life. Application: outdoor or wash-down areas and harsh factory floors where reliability matters. Feature: Auxiliary alarm switch and contact configuration. Impact: 1 NO 1 NC provides immediate signaling for PLCs and SCADA, improving fault visibility and preventive maintenance planning. Application: remote fault indication and process safety interlocks across lines. Feature: Compliance and documentation. Impact: UL Listed and cUL Certified with comprehensive datasheets and warranty support, accelerating procurement approvals and reducing audit risk. Application: OEM panel builders and integrators needing traceable safety compliance and long-term ROI.
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FAQs
Key specs include 800 A amperage rating, 3 poles, 600 Vac / 250 Vdc voltage ratings, 120 Vac coil, 1 NO 1 NC contact configuration, and an alarm switch in a NEMA 4 painted steel enclosure. These specs support large motor loads and harsh environments with integrated signaling.
Yes. The three-pole, high-current design and 120 Vac coil are designed for seamless integration with motor control centers and panelboards, providing fast, reliable protection and straightforward wiring with 1 NO 1 NC auxiliary contacts for PLC/SCADA signaling.
The device is UL Listed and cUL Certified, with a NEMA 4 enclosure suitable for demanding environments, helping meet safety and compliance requirements across North American facilities.
Its rapid power interruption reduces fault propagation, while the alarm switch enables early fault signaling to control systems, improving maintenance planning and reducing unplanned downtime in manufacturing lines.
Eaton’s policy covers a one-year warranty from installation or eighteen months from shipment, whichever occurs first, with access to specification sheets and warranty documentation for installation confidence.