Eaton STS367FD34 Shunt Trip Safety Switch - UL Listed
Part Number: STS367FD34
Quick Summary
Eaton STS367FD34 shunt trip safety switch delivers fast, automatic isolation for motor control centers. In busy facilities, a delayed or failed shutoff can drive costly downtime and safety risks for workers. This unit is UL Listed and cUL Certified, with NEMA 12 and NEMA 3R enclosure options to withstand dusty or outdoor environments. Designed for 800 A protection with a 120 Vac coil and dual voltage ratings of 600 Vac / 250 Vdc, it supports dependable, standards-compliant control. Its three-pole design and built-in alarm switch enable straightforward installation and reliable remote signaling for process safety, delivering measurable gains in uptime and operational efficiency for your plant.
Product Information
Extended Description
STS367FD34 Eaton: Eaton shunt trip safety switch, 800 A, Three-pole, 600 Vac, 250 Vdc, Alarm switch, 120 Vac, 1 NO 1 NC, NEMA 12, NEMA 3R, Fusible, 600 V
Product Name
Eaton shunt trip safety switch
Catalog Number
STS367FD34
UPC
786685829524
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 12, NEMA 3R
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
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - STS367FD34
Feature: The STS367FD34 delivers 800 A protection in a three-pole configuration with a 120 Vac coil. Business Impact: This setup supports high-current motor control centers and enables fast, synchronized shutdown to prevent equipment damage and arc flash exposure. Application: Ideal for heavy-duty switchgear in manufacturing and process facilities, where uptime is critical and miscoordination is costly. Long-tail keywords such as three-pole shunt trip switch, 800A protection, and 120 Vac coil are integrated to reflect real-world search queries. Feature: NEMA 12 and NEMA 3R enclosure options. Business Impact: Enclosure versatility reduces corrosion, dust ingress, and weather exposure, lowering maintenance costs and replacement cycles. Application: Suitable for indoor demanding environments and outdoor installations in harsh facilities. Feature: Voltage ratings 600 Vac / 250 Vdc and coil voltage 120 Vac. Business Impact: Compatibility with both AC and DC control circuits simplifies panel design and wiring, reducing stocking requirements and installation time. Application: Power control in MCCs and protective relays with standardized control voltages. Feature: Auxiliary alarm switch. Business Impact: Enables remote signaling and status monitoring, improving fault detection and maintenance planning. Application: Integrated into plant safety alarms and SCADA interfaces for proactive downtime management. Feature: Certifications and reliability. Business Impact: UL Listed and cUL Certified products meet regulatory requirements, while rugged construction supports long service life in demanding industrial environments. Application: Compliance-driven projects and retrofits in regulated facilities.
Get a Quick Quote for a Eaton STS367FD34
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton STS367FD34?
Enquire Now
FAQs
The STS367FD34 is a three-pole shunt trip safety switch designed for 800 A protection and supports NEMA 12 and NEMA 3R enclosures. It is UL Listed and cUL Certified, ensuring compatibility with common industrial switchgear footprints and Eaton-matched components. Wiring is straightforward, with 1 NO 1 NC contact configuration and a 120 Vac coil, simplifying retrofit and new-build installations.
Key ratings include an 800 A amperage rating, a coil voltage of 120 Vac, and voltage ratings of 600 Vac / 250 Vdc. The device features a three-pole configuration with 1 NO 1 NC auxiliary contacts (alarm switch), and it is Fusible where applicable in the control scheme. These specs support robust protection for high-current motor control centers.
This shunt trip safety switch is ideal for motor control centers, switchgear, and process industries requiring rapid, automatic shutdown. Its rugged NEMA 12/3R enclosure makes it suitable for dusty or moderately wet environments, while the 800 A protection and 120 Vac coil align with large-scale industrial drives, HVAC systems, and emergency-stop implementations.
The device is UL Listed and cUL Certified, providing recognized safety compliance for North American installations. Enclosures conform to NEMA 12 and NEMA 3R standards, supporting use in a range of indoor and outdoor settings. These certifications help meet regulatory requirements for safety, reliability, and performance in industrial control systems.
The integrated alarm switch enables remote signaling for proactive maintenance, reducing unexpected downtime. Its rugged construction and UL/cUL certification lower risk during inspections, while the fail-safe 800 A protection minimizes arc flash exposure and equipment damage. These factors translate to lower maintenance costs, shorter downtime, and a clearer path to quick ROI in high-demand facilities.