Eaton SPC050277N7P Surge Protection Device - UL 1449
Part Number: SPC050277N7P
Quick Summary
The Eaton SPC050277N7P surge protection device is a single-phase SPD designed for 277 V commercial and industrial panels. Unprotected equipment can suffer outages, degraded performance, and costly downtime from transient surges. UL 1449 listing and a NEMA 4X enclosure provide robust protection in harsh environments, while the SPC’s filtering and Form C relay enhance signal integrity and fault notification. With external side mounting and a compact footprint, the SPC050277N7P installs quickly in panel boards and control cabinets, even in tight enclosures. This protection translates to longer equipment life, reduced maintenance costs, and a clear ROI for facilities seeking resilient, compliant electrical protection.
Product Information
Extended Description
SPC050277N7P Eaton: Surge Protection Device, SPC series, 50 kA, 277V, Single-phase, NEMA 4X, Filtering and Form C relay
Product Name
Eaton SPC series surge protection device
Catalog Number
SPC050277N7P
UPC
786685999715
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 & Form C relay
Voltage rating
277 V
Enclosure
NEMA 4X
Phase
Single-phase
Mounting Method
External side
Series
SPC
Feature: 50 kA surge rating at 277 V in a single-phase design. This high-energy capability clamps transients to protect connected equipment, reducing failure rates and unplanned downtime in critical panels. Application breadth includes panel boards, switchgear, and control cabinets across commercial and light industrial facilities. Business Impact: extended equipment life, lower outage costs, and improved uptime metrics. Feature: Filtering and Form C relay provide EMI suppression and remote fault signaling. The integrated filtering minimizes conducted disturbances that can affect sensitive electronics, while the Form C relay enables status indication and fault reporting without third-party interfaces. Application: data centers, manufacturing lines, and automation cells seeking enhanced visibility and reliability. Business Impact: streamlined diagnostics, faster maintenance response, and safer, more predictable operation. Feature: NEMA 4X enclosure for rugged environments. The enclosure supports washdown and challenging surroundings, reducing enclosure breaches and environmental risk. Application: outdoor equipment rooms, perimeter panels, and outdoor control cabinets. Business Impact: lower replacement costs and fewer environmental protection concerns. Feature: UL 1449 listed protection. Compliance with a recognized safety standard simplifies procurement audits and customer requirements. Application: any regulated industrial installation requiring verified surge protection. Business Impact: easier supplier qualification and enhanced risk management. Feature: External side mounting. Provides installer-friendly integration with existing panel layouts and minimizes cabinet intrusion. Application: retrofit projects and new builds with space constraints. Business Impact: faster installation, reduced wiring effort, and scalable deployment across multiple panels. Feature: 10‑year warranty. Demonstrates long-term confidence in protection performance and total cost of ownership. Application: asset-heavy facilities seeking reliable, low-maintenance protection. Business Impact: predictable budgeting and improved ROI for critical electrical infrastructure.
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FAQs
For installation, ensure external side mounting fits your panel footprint and provide adequate clearance for cable routing. Use proper torque on connections for 277 V single-phase systems, and observe ambient temperature and enclosure access requirements. The unit’s NEMA 4X rating supports washdown environments, making it suitable for harsh industrial locations.
The SPC050277N7P provides a 50 kA surge rating at 277 V in a single-phase configuration. Filtering reduces EMI and electrical noise, protecting sensitive loads, while the Form C relay enables remote fault signaling and status indication. Together, these features improve reliability and enable proactive maintenance in automation and control panels.
Yes. The device uses a NEMA 4X enclosure designed for washdown and rugged environments, making it appropriate for outdoor panels, outdoor equipment rooms, and challenging indoor areas. Its rugged construction helps minimize environmental ingress and extend protection across demanding industrial sites.
SPC050277N7P is UL 1449 listed, confirming adherence to a recognized surge protection standard. The NEMA 4X enclosure further demonstrates enclosure integrity for harsh settings. These certifications matter for audits, safety programs, and ensuring supplier reliability in regulated industrial environments.
Expected ROI comes from reduced unscheduled downtime, fewer equipment failures due to transients, and longer asset life. The 10-year warranty supports long-term protection, while the Form C relay aids maintenance teams with actionable fault signaling, enabling condition-based service and streamlined preventive maintenance programs.