Eaton STS368ND31-1C00 Shunt Trip Safety Switch - UL Listed
Part Number: STS368ND31-1C00
Quick Summary
Eaton shunt trip safety switch STS368ND31-1C00 enables rapid emergency shutdown in industrial power control panels. Engineers and maintenance teams often struggle with nuisance trips and slow fault isolation that disrupt production. This unit carries UL Listed and cUL Certified marks, with a rugged NEMA 12 enclosure for indoor use and NEMA 3R suitability for outdoor or damp locations, ensuring dependable protection in challenging environments. The three-pole design, 120 Vac coil, and built-in 1NO 1NC alarm switch deliver precise control and clear fault signaling. Coupled with the AFGF relay, it supports compatible control circuits, helping you meet safety standards while minimizing wiring complexity and downtime.
Product Information
Extended Description
STS368ND31-1C00 Eaton: Eaton shunt trip safety switch, with AFGF relay, 1200 A, Three-pole, 600 Vac, 250 Vdc, Alarm switch, 120 Vac, 1NO 1NC, NEMA 12, NEMA 3R, Fusible, 600 V
Product Name
Eaton shunt trip safety switch
Catalog Number
STS368ND31-1C00
UPC
786689369729
Product Length/Depth
23.15 in
Product Height
72.5 in
Product Width
47.23 in
Product Weight
405 lb
Certifications
UL Listed cUL Certified
Catalog Notes
Includes 1NO/1NC Alarm Sw, 480V CPT, AER/GF Relay & Sensors
Auxiliary contacts
Alarm switch
Enclosure
NEMA 12, NEMA 3R
Number Of Poles
Three-pole
Type
Shunt trip safety switch w/ AFGF relay
Amperage Rating
1200A
Coil voltage
120 Vac
Protection
Fusible
Voltage rating
600 Vac, 250 Vdc
Contact configuration
1NO 1NC
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - STS368ND31-1C00
Three-pole design with a robust AFGF relay enables rapid disconnect of power on a trigger, delivering faster emergency responses and safeguarding personnel and equipment in high-risk environments. This translates to reduced downtime and improved overall line safety, particularly in motor control centers and critical switchgear assemblies. The 120 Vac coil integrates easily with standard control circuits, simplifying installation and lowering wiring costs while maintaining reliable actuation under voltage fluctuations. With a 1200 A amperage rating and fusible protection, the STS368ND31-1C00 handles heavy loads with predictable protection, supporting safer starts and stops in heavy industry applications. The 600 Vac/250 Vdc voltage ratings provide versatility across AC and DC control schemes, while the 1NO 1NC alarm contact offers immediate fault signaling for rapid diagnostics. Built-in alarm signaling and enclosure options (NEMA 12, NEMA 3R) enhance compliance and reduce exposure to dust, moisture, and adverse conditions. Catalog notes include 480V CPT and sensors integration, enabling streamlined compatibility with existing safety architectures and future upgrades in plant-wide safety ecosystems.
Get a Quick Quote for a Eaton STS368ND31-1C00
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 STS368ND31-1C00?
Enquire Now
FAQs
The STS368ND31-1C00 is designed for three-pole power circuits with a 120 Vac coil and integrates with standard control systems. It fits in NEMA 12 and NEMA 3R enclosures, supports 600 Vac and 250 Vdc ratings, and includes a 1NO 1NC alarm contact to interface with plant safety interlocks and Supervisory Control And Data Acquisition (SCADA) systems for clear fault signaling.
Key ratings include a 1200 A amperage capacity, 600 Vac/250 Vdc voltage ratings, and fusible protection. The device uses an AFGF relay and a 120 Vac coil to enable reliable external coil actuation, with an integrated 1NO 1NC alarm contact for signaling faults and safer fault diagnosis in automatic protection schemes.
This unit excels in motor control centers, industrial switchgear, and safety interlock circuits where rapid emergency shutdown is critical. Its NEMA 12/3R enclosure makes it appropriate for indoor, dusty, or damp environments, while the 1NO 1NC alarm contact provides immediate fault indication for efficient maintenance and downtime reduction.
The switch is UL Listed and cUL Certified, confirming compliance with essential safety and performance standards. These certifications support采购 and installation in regulated facilities, ensuring reliable protection in diverse environments and simplifying audits for electrical safety compliance.
By enabling rapid, reliable emergency shutdown and clear alarm signaling, the STS368ND31-1C00 reduces unexpected downtime and accelerates fault diagnosis. Its compatibility with standard components and enclosure options lowers installation time and spare-part requirements, delivering measurable safety gains and improved plant uptime over the equipment lifecycle.