Eaton SPC120277N7P Surge Protection Device - UL 1449

Part Number: SPC120277N7P
Manufacturer
Eaton
Part number
SPC120277N7P

Quick Summary

Eaton SPC120277N7P surge protection device safeguards 277 V single-phase electrical systems from transient overvoltages across commercial and industrial applications. This helps reduce the risk of equipment damage, unplanned downtime, and costly warranty claims caused by power disturbances. UL 1449 certification combined with a sturdy NEMA 4X enclosure and a 120 kAIC interrupt rating provides reliable protection in harsh environments where reliability and safety standards matter most. Designed for external side mounting with integrated filtering and a Form C relay, the SPC120277N7P supports proactive protection schemes while simplifying integration into existing protection architectures. In short, it delivers robust surge protection with long-term lifecycle value for panels, drives, and critical load centers.

Product Information

Extended Description

SPC120277N7P Eaton: Surge Protection Device, SPC series, 120 kA, 277V, Single-phase, NEMA 4X, Filtering and Form C relay
Product Name
Eaton SPC series surge protection device
Catalog Number
SPC120277N7P
UPC
786680218354
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
Type
Surge protection device
Special features
Filtering & Form C relay
Voltage rating
277 V
Enclosure
NEMA 4X
Phase
Single-phase
Mounting Method
External side
Interrupt rating
120 kAIC
Series
SPC
Feature → Business Impact → Application: The SPC120277N7P offers a 120 kAIC interrupt rating, providing industry-leading transient protection that minimizes equipment damage and downtime in electrical panels and motor control centers; this translates to lower maintenance costs and improved uptime for critical facilities such as data centers and manufacturing lines. Feature → Business Impact → Application: NEMA 4X enclosure delivers rugged, water and corrosion resistance, enabling reliable operation in outdoor or washdown environments, reducing enclosure-related failure risks and ensuring compliance in harsh facilities like food processing plants and outdoor equipment housings. Feature → Business Impact → Application: 277 V single-phase operation aligns protection exactly with typical building distribution and lighting circuits, simplifying retrofit projects and ensuring immediate compatibility with existing electrical layouts in offices, schools, and retail environments. Feature → Business Impact → Application: Filtering and Form C relay provide monitoring capability and nuisance-tripping reduction, enabling safer remote signaling and faster fault diagnosis for control panels, HVAC systems, and industrial automation racks. Feature → Business Impact → Application: External side mounting simplifies retrofits and upgrades, cutting installation time and auxiliary hardware costs while enabling straightforward expansion in evolving protection schemes across utilities and OEM projects. Feature → Business Impact → Application: 10-year warranty and UL 1449 certification underpin lifecycle cost savings and procurement confidence, supporting long-term ownership value, supplier compliance, and total cost of ownership reduction for capital projects.

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FAQs

The SPC120277N7P is designed for external side mounting in NEMA 4X enclosures. Ensure adequate clearance for the 5.5 in depth and 3.19 in width, and verify panel knockout compatibility and wiring access to support 277 V single-phase protection with the Form C relay monitoring.
The device provides a 120 kAIC interrupt rating at a 277 V nominal voltage, suitable for protecting circuits that experience high-energy transients without compromising protection reliability.
Yes. It comes in a NEMA 4X enclosure designed to withstand wet, dusty, and corrosive conditions typical of outdoor installations and washdown areas, ensuring consistent performance.
The SPC120277N7P is UL 1449 certified, which confirms compliance with industry safety and performance standards for surge protection devices in electrical systems.
With a 10-year warranty and robust protection performance, the SPC120277N7P reduces maintenance frequency and replacement costs, delivering long-term total cost of ownership benefits for mission-critical equipment.