Eaton STS368ND3-1B00 Shunt Trip Safety Switch - UL Listed

Part Number: STS368ND3-1B00
Manufacturer
Eaton
Part number
STS368ND3-1B00

Quick Summary

Eaton STS368ND3-1B00 Shunt Trip Safety Switch protects heavy-duty systems by rapidly tripping power circuits in industrial equipment. This helps maintenance teams avoid unsafe energy release and unplanned downtime when servicing machines. UL Listed and cUL Certified, it also features a rugged NEMA 12/NEMA 3R enclosure suitable for indoor and outdoor environments. With a 1200 A rating and a 120 Vac coil, it integrates smoothly into standard control schemes, delivering reliable isolation. By aligning with common panel-building practices and Eaton’s safety philosophy, it helps engineers meet code requirements while keeping operations efficient and productive.

Product Information

Extended Description

STS368ND3-1B00 Eaton: Eaton Heavy Duty Shunt Trip Safety Switch, 1200 A, 600 Vac,250 Vdc, Three pole, Enclosure- NEMA 12, NEMA 3R, Protection-Fusible
Product Name
Eaton Heavy Duty Shunt Trip Safety Switch
Catalog Number
STS368ND3-1B00
UPC
786689314262
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 480V CPT and GF Relay & Sensors
Enclosure
NEMA 12, NEMA 3R
Number Of Poles
Three-pole
Amperage Rating
1200A
Coil voltage
120 Vac
Protection
Fusible
Voltage rating
600 Vac, 250 Vdc
Feature: Three-pole, 1200 A capability with fusible protection. Business Impact: Enables robust, code-compliant isolation for large motors and MCCs, reducing fault propagation and risk exposure. Application: Ideal for high-current switchgear and safety interlocks in manufacturing lines. Feature: Coil voltage of 120 Vac. Business Impact: Supports easy integration with standard control circuits and low-voltage control logic, minimizing extra wiring and wiring errors. Application: Control panels and automation cabinets where 120 Vac control is the norm. Feature: Enclosure compatibility—NEMA 12 and NEMA 3R. Business Impact: Provides versatile indoor and outdoor installation options, improving resilience to dust and moderate moisture while reducing enclosure changes. Application: Plant floors, wash-down areas, and protected outdoor spaces. Feature: Includes 480V CPT and GF Relay & Sensors (Catalog Note). Business Impact: Shortens installation time and reduces part count, improving commissioning speed and system reliability. Application: Safety circuits where relay logic and sensor integration are required for permissive interlocks. Feature: Certifications UL Listed and cUL Certified. Business Impact: Validates compliance to recognized North American standards, easing regulatory approvals and procurement confidence. Application: Enterprises with stringent safety and procurement requirements in electrical protection and circuit control. Feature: Heavy-duty form factor with rugged enclosure and three-pole design. Business Impact: Supports high-current applications with durable construction, lowering maintenance intervals and extending service life. Application: Industrial automation, material handling, and packaging lines where dependable protection is critical.

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FAQs

The STS368ND3-1B00 is a three-pole safety switch designed for use in standard electrical control panels and motor control centers. Its NEMA 12/NEMA 3R enclosure compatibility and 1200 A rating make it suitable for high-current environments, while its 120 Vac coil integrates with common control circuits to simplify installation.
Key ratings include 1200 A amperage, 600 Vac maximum line voltage and 250 Vdc, with a 120 Vac coil. These ratings support heavy-duty protection for industrial machinery, enabling quick isolation of faults while matching typical plant power structures.
The unit is UL Listed and cUL Certified, indicating compliance with recognized safety standards in North America. This simplifies regulatory approvals, procurement, and integration into safety programs across industrial facilities.
Catalog notes indicate included 480V CPT and GF Relay & Sensors, which reduces installation time and wiring complexity. This streamlines commissioning and supports cohesive safety interlock schemes within new or retrofit panels.
With a rugged, high-current design and certified safety, the STS368ND3-1B00 minimizes unscheduled downtime and maintenance frequency. Its integration-friendly features help shorten installation, improve reliability, and support consistent compliance across maintenance cycles.