Eaton STS367UD64 Shunt Trip Safety Switch - UL Listed
Part Number: STS367UD64
Quick Summary
Eaton STS367UD64 shunt trip safety switch protects critical equipment by triggering rapid breaker trips in industrial control panels. In busy facilities, manual trips risk exposure, downtime, and noncompliance with safety standards. UL Listed and cUL Certified provide third‑party assurance, while NEMA 12 and NEMA 3R enclosures protect against dust and moisture. With an 800 A rating and a 24 Vdc coil, it integrates with standard motor control centers to shorten startup cycles and strengthen compliance. This combination delivers faster fault isolation and reduces risk to maintenance personnel during panel testing. Additionally, the rugged NEMA enclosures support installations in harsh environments where dust, moisture, or outdoor exposure are common.
Product Information
Extended Description
STS367UD64 Eaton: Eaton shunt trip safety switch, 800 A, Three-pole, 600 Vac, 250 Vdc, Alarm switch, Auxiliary contact, 24 Vdc, 1 NO 1 NC, NEMA 12, NEMA 3R, Non-Fusible, 600 V
Product Name
Eaton shunt trip safety switch
Catalog Number
STS367UD64
UPC
786685830100
Product Length/Depth
12.43 in
Product Height
71.72 in
Product Width
29.54 in
Product Weight
158 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
Auxiliary contact
Enclosure
NEMA 12, NEMA 3R
Number Of Poles
Three-pole
Type
Shunt trip safety switch
Amperage Rating
800A
Coil voltage
24 Vdc
Protection
Non-Fusible
Voltage rating
600 Vac, 250 Vdc
Contact configuration
1 NO 1 NC
Three-pole construction delivers robust protection for multi-line circuits, ensuring simultaneous isolation of all poles and reducing arc flash risk in MCCs and panelboards. Business impact: enhanced personnel safety and faster fault clearance in demanding industrial environments. Application: motor control centers and process lines where reliable simultaneous tripping is essential. 800 A amperage rating with non-fusible protection provides high-current safety while preserving system integrity; this translates to reduced downtime and lower overhaul costs in high-load scenarios. Application: large industrial feeders and critical protection zones requiring dependable isolation. 24 Vdc coil enables straightforward integration with standard control circuits, cutting wiring complexity and enabling remote signaling. Business impact: simpler installation and improved control reliability. Application: control panels and safety interlocks in automated lines. NEMA 12 and NEMA 3R enclosure options support indoor and outdoor installations, resisting dust, moisture, and corrosion where exposure is common. Benefit: fewer environmental concerns and longer service life in harsh facilities. Application: outdoor switchgear, wash-down areas, and dusty production floors. Alarm switch capability with an auxiliary contact provides remote status awareness without adding complexity to the main control loop. Impact: improved maintenance planning and faster incident response. Application: safety interlocks and signaling within centralized control systems.
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FAQs
STS367UD64 is a three-pole, non-fusible safety switch designed for rugged industrial environments. Plan for a footprint that accommodates its NEMA 12 or NEMA 3R enclosure options and prepare for mounting in control panels or MCCs. Ensure wiring supports a 24 Vdc coil and aligns with the 1NO 1NC contact configuration for remote signaling and alarm integration.
Key specs include an 800 A amperage rating, 600 Vac / 250 Vdc voltage range, 24 Vdc coil, and a 1 NO 1 NC contact arrangement. These specifications enable rapid tripping on high-load circuits, ensure compatibility with standard industrial controls, and support reliable protection of feeders and motor circuits in demanding environments.
Yes. The three-pole, non-fusible design with 800 A capacity and 24 Vdc coil makes it ideal for MCCs and large industrial panels. Enclosures rated for NEMA 12 and NEMA 3R support indoor and harsh or outdoor installations, while the auxiliary contact and alarm switch aid status monitoring and maintenance workflows.
This device is UL Listed and cUL Certified, providing recognized third-party safety compliance. Its rugged NEMA-rated enclosures (12 and 3R) support reliable operation in dusty, moist, or outdoor environments, reinforcing compliance with industry safety practices in automated facilities.
The STS367UD64 offers durable construction and a straightforward 24 Vdc control interface, which lowers wiring costs and installation time. The UL/cUL certifications, plus reliable NEMA-rated enclosures, reduce downtime risk and support predictable maintenance planning, contributing to a favorable total cost of ownership over the equipment’s life cycle.