Eaton STS367ND14 Shunt Trip Safety Switch - UL Listed
Part Number: STS367ND14
Quick Summary
Eaton STS367ND14 shunt trip safety switch is designed to rapidly isolate power in industrial control panels. Too often, improper or delayed shutdown leads to equipment damage and unplanned downtime; this unit delivers dependable activation even in demanding environments. UL Listed and cUL Certified provide regulatory confidence, and the rugged NEMA 12/3R enclosure supports dusty and damp environments, while its 800 A rating and 24 Vac coil meet demanding control needs. Designed for electrical protection and circuit control, it helps engineering teams reduce risk, simplify sourcing, and speed panel assembly.
Product Information
Extended Description
STS367ND14 Eaton: Eaton Shunt trip safety switch, 800 A, 1NO/1NC auxiliary contact and 1NO/1NC alarm switch, Coil V: 24 Vac, NEMA 12/3R, 600 V, Three-pole, Fusible with neutral
Product Name
Eaton shunt trip safety switch
Catalog Number
STS367ND14
UPC
786685829760
Product Length/Depth
12.43 in
Product Height
71.72 in
Product Width
29.54 in
Product Weight
170 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
24 Vac
Protection
Fusible with neutral
Voltage rating
600 V
Contact configuration
1 NO 1 NC
Feature: 800 A amperage rating with a 24 Vac coil and 600 V voltage rating. Business Impact: Enables safe, code-compliant isolation for large equipment without compromising control reliability. Application: ideal for motor control centers, large contactor banks, and power distribution panels in manufacturing facilities. Feature: Three-pole configuration with 1 NO 1 NC auxiliary and 1 NO 1 NC alarm. Business Impact: Provides flexible signaling and interlock options, improving shutdown reliability and traceability for safety interlocks. Application: suitable for control circuits requiring remote alarm feedback and local interlock signaling. Feature: NEMA 12/3R enclosure. Business Impact: protects the switching mechanism from dust and moisture, reducing maintenance cycles and downtime. Application: fits harsh factory environments and protected switchgear interiors. Feature: Fusible with neutral; UL Listed and cUL Certified. Business Impact: meets stringent safety and regulatory standards, simplifying procurement and compliance audits. Application: ideal for regulated industries and panel builds where formal approvals expedite project timelines. Feature: Large footprint and robust construction. Business Impact: supports dependable performance in high-load, continuous-operation settings while offering long service life. Application: suitable for retrofits and new installations in industrial facilities that demand reliable electrical protection and circuit control.
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FAQs
Install the STS367ND14 inside a panel with a NEMA 12/3R enclosure to protect against dust and moisture. Mount the three-pole device securely, connect the 24 Vac coil wiring per the wiring diagram, and wire the 1 NO 1 NC auxiliary and alarm contacts to the control circuit or PLC/SCADA inputs. Follow standard panel wiring practices and ensure compatibility with 600 V maximum ratings for safety.
Key specs include an 800 A amperage rating, 24 Vac coil voltage, 600 V voltage rating, three-pole configuration, fusible with neutral protection, and 1 NO 1 NC auxiliary plus 1 NO 1 NC alarm contact. Enclosure is NEMA 12/3R, suitable for dusty and damp environments, making it a robust choice for industrial protection and circuit control.
The STS367ND14 is designed for integration within Eaton’s electrical protection and circuit control ecosystems and standard control panels that support 24 Vac coils and 600 V ratings. Verify compatibility with existing relays, PLC inputs, and safety interlocks, and ensure enclosure and mounting provisions align with your panel design and space constraints.
This safety switch is UL Listed and cUL Certified, indicating compliance with widely recognized safety standards for electrical equipment. These certifications simplify regulatory approvals, support safer procurement decisions, and help with traceability during audits and inspections.
The product is covered under Eaton’s warranty policy: one year from the date of installation or eighteen months from the date of shipment, whichever occurs first. Routine maintenance should focus on enclosure cleanliness, inspecting auxiliary/alarm contacts, and verifying proper wiring to preserve reliable shutdown performance and minimize downtime.