Eaton SPC050120N8P Surge Protection Device - UL 1449
Part Number: SPC050120N8P
Quick Summary
Eaton SPC050120N8P surge protection device protects single-phase electrical systems in industrial facilities. Manufacturers and engineering teams face the challenge of shielding sensitive loads from transient surges without sacrificing uptime or increasing installation complexity. This UL 1449-listed unit is built into a rugged NEMA 4X enclosure, delivering reliable protection in harsh environments. With external side mounting and 120 V operation, it integrates smoothly into existing panels while delivering filtering, an alarm, and a Form C relay to support proactive protection and monitoring for critical processes.
Product Information
Extended Description
SPC050120N8P Eaton: Surge Protection Device, SPC series, 50 kA, 120V, Single-phase, NEMA 4X, Filtering, Alarm and Form C relay
Product Name
Eaton SPC series surge protection device
Catalog Number
SPC050120N8P
UPC
786680214196
Product Length/Depth
5.5 in
Product Height
6 in
Product Width
3.19 in
Product Weight
2.5 lb
Warranty
10 year
Certifications
UL 1449
Special features
Filtering, Alarm & Form C relay
Voltage rating
120 V
Enclosure
NEMA 4X
Phase
Single-phase
Mounting Method
External side
Series
SPC
Feature → Business Impact → Application: The SPC050120N8P handles up to 50 kA surge events, dramatically reducing the risk of downstream equipment damage and unplanned downtime in manufacturing lines and data-centric control panels. This translates to lower maintenance costs and improved line productivity, especially where sensitive drives and sensors are present. Feature → Business Impact → Application: Filtering minimizes electrical noise and transients that can disrupt PLC communications and VFD performance, improving control accuracy and reducing nuisance trips in packaging, material handling, and process industries. Feature → Business Impact → Application: Alarm and Form C relay enable remote fault indication and integration with plant-wide monitoring, enabling faster investigation and reduced mean time to repair in critical infrastructure. Feature → Business Impact → Application: NEMA 4X enclosure provides robust ingress protection in wash-down areas and outdoor installations, allowing safer outdoor panels and rooftop cabinets. Feature → Business Impact → Application: External side mounting simplifies retrofit installations and panel upgrades, reducing field labor and downtime during upgrades in modernization projects. Feature → Business Impact → Application: 120 V single-phase compatibility aligns with standard electrical layouts, supporting quick adoption in existing control panels and subpanels, minimizing wiring changes and scope. Feature → Business Impact → Application: The 10-year warranty and UL 1449 certification provide long-term reliability and regulatory confidence, helping procurement justify the upgrade against alternative protection strategies in aerospace, automotive, and process industries.
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FAQs
The SPC050120N8P is designed for external side mounting and 120 V single-phase systems. It fits standard protection schemes and offers a compact footprint for retrofit projects. When integrating, verify panel clearance, grounding practices, and access to the alarm/relay terminals to enable remote monitoring without disrupting ongoing operations.
This device provides a 50 kA surge rating, which limits high-energy transients from reaching connected equipment. For critical loads, this rating translates to significantly reduced risk of component damage, extended equipment life, and lower replacement costs in automation lines and industrial facilities.
Yes. The unit is housed in a NEMA 4X enclosure, designed to withstand wash-down, dust, and moisture exposure. This makes it appropriate for plant floors, mezzanines, and outdoor panels where environmental protection is essential for reliable protection and long service life.
The SPC050120N8P includes filtering to reduce noise, an alarm output, and a Form C relay for fault signaling. These features enable proactive monitoring, easier integration with SCADA or PLC logic, and faster maintenance responses, improving overall system availability.
The device is UL 1449 certified, validating electrical safety and surge protection performance. With a 10-year warranty, buyers gain long-term reliability assurances, simplifying supplier qualification and total cost of ownership calculations for industrial deployments.