Eaton SPC050277N5P Surge Protection Device - UL 1449
Part Number: SPC050277N5P
Quick Summary
The Eaton SPC050277N5P surge protection device protects sensitive equipment in electrical panels and industrial control systems across manufacturing facilities today. Surges cause unplanned downtime, equipment damage, and costly warranty claims, complicating maintenance schedules. Critical certifications like UL 1449, NEMA 4X enclosure, and a 10-year warranty reinforce reliability in harsh environments. Beyond protection, this SPC series device streamlines compliance for panel builders and delivers measurable uptime benefits, reducing total cost of ownership. Designed for exterior mounting and external side installation, it integrates with 277 V single-phase systems used in control cabinets. With its alarm and Form C relay, maintenance teams receive prompt alerts to isolate and protect critical lines.
Product Information
Extended Description
SPC050277N5P Eaton: Surge Protection Device, SPC series, 50 kA, 277V, Single-phase, NEMA 4X, Alarm and Form C relay
Product Name
Eaton SPC series surge protection device
Catalog Number
SPC050277N5P
UPC
786685999692
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
Alarm & Form C relay
Voltage rating
277 V
Enclosure
NEMA 4X
Phase
Single-phase
Mounting Method
External side
Series
SPC
External side mounting simplifies installation in crowded panels, reducing wiring complexities and commissioning time. Faster setup translates to lower labor costs and quicker return to service on new builds and retrofits. This compatibility makes SPC050277N5P ideal for control cabinets and machine enclosures in manufacturing environments. 50 kA protection with a 277 V rating delivers robust transient suppression for sensitive drives and logic relays. The business impact is fewer nuisance trips and extended component life, which lowers spare parts inventory and maintenance frequency. Use in panel boards and power distribution blocks across automated lines for reliable plant-wide protection. UL 1449 certification and UL listed performance provide regulatory confidence, while the NEMA 4X enclosure withstands dust, water, and corrosion in harsh environments. The result is compliance assurance and reduced risk of compliance-related downtime. This is essential for food & beverage, chemical, and metal processing facilities. Alarm and Form C relay features enable proactive monitoring and remote fault signaling. The business impact is faster fault isolation and safer operation, which supports OEE improvements. Integrate with building management systems and SCADA using standard signaling, enabling traceable, auditable protection. Data sheets and spec sheets show clear performance metrics, while external side mounting offers flexible placement options. This reduces enclosure footprint and improves serviceability in crowded control rooms.
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FAQs
Installation is straightforward for external side mounting, enabling flexible placement on the panel exterior. Route conductors cleanly, secure the device to the panel wall or supported bracket, and connect to the 277 V single-phase lines. The external mounting reduces enclosure interior clutter, speeds up commissioning, and minimizes cable management challenges in crowded control panels.
SPC050277N5P supports a 277 V single-phase system with 50 kA surge current rating, providing robust transient suppression. Its NEMA 4X enclosure offers protection against dust and water ingress in harsh environments. The device also includes an Alarm relay and Form C contact for remote fault signaling, enhancing monitoring and fault response in automated lines.
Yes, SPC050277N5P is UL 1449 certified, ensuring compliance with industry surge protection standards. The NEMA 4X enclosure means it is designed for outdoor or damp environments, offering corrosion resistance and weather resistance for industrial settings. This combination supports reliable operation in demanding facilities such as manufacturing floors and outdoor panels.
The SPC050277N5P carries a 10-year warranty, reflecting Eaton's confidence in long-term performance. Routine maintenance involves periodic inspection of the alarm and relay signaling, verification of connector integrity, and testing of the surge protection status during preventive maintenance. The durable enclosure minimizes corrosion-related upkeep in harsh environments.
The built-in Alarm and Form C relay provide immediate fault signaling to monitoring systems, enabling rapid isolation of failing circuits. This reduces unplanned downtime and enhances safety by alerting operators to protective action requirements. When integrated with SCADA or BMS, it supports traceable fault history and improved maintenance planning for critical systems.