Eaton SPC120277N2P Surge Protection Device - UL 1449
Part Number: SPC120277N2P
Quick Summary
Eaton SPC120277N2P surge protection device protects critical equipment in 277 V single-phase electrical systems across industrial and commercial facilities. Power-quality issues, transient surges, and rising downtime are common pain points that threaten uptime and equipment life; this SPD helps mitigate those risks. The unit carries UL 1449 listing and UL 1283 5th Edition filtering, packaged in a rugged NEMA 4X enclosure suitable for indoor and harsh environments, and it comes with a 10-year warranty for total cost of ownership. Its external side mounting and compact footprint simplify retrofit and panel integration, while a 120 kAIC interrupt rating delivers dependable surge current handling for demanding networks, ensuring compliant protection for critical loads.
Product Information
Extended Description
SPC120277N2P Eaton: Surge Protection Device, SPC series, 120 kA, 277V, Single-phase, NEMA 4X, Filtering, UL1283 5th Edition
Product Name
Eaton SPC series surge protection device
Catalog Number
SPC120277N2P
UPC
786680218132
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, UL1283 5th Edition
Voltage rating
277 V
Enclosure
NEMA 4X
Phase
Single-phase
Mounting Method
External side
Interrupt rating
120 kAIC
Series
SPC
Eaton SPC120277N2P delivers reliable overvoltage protection with a 277 V rating, reducing system exposure to transient spikes and protecting sensitive loads. The 120 kAIC interrupt rating translates to high surge handling capability, which minimizes downtime and extends equipment life in heavy-duty applications. Its NEMA 4X enclosure and external side mounting enable straightforward installation in harsh environments and retrofit projects. Filtering per UL1283 5th Edition helps meet power quality standards without extra components, enhancing compliance in data centers and manufacturing lines. The compact footprint supports paneled configurations with minimal space impact, while the 10-year warranty offers long-term cost of ownership certainty. Overall, these features combine to improve reliability, simplify installation, and lower lifecycle costs for industrial power systems.
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FAQs
Install with external side mounting into approved electrical enclosures; ensure panel space for 5.5 in length and 6 in height; mount at an appropriate position, connect line and load per Eaton wiring diagram, verify 120 kAIC interrupt rating, and secure the UL-listed device in a clean, dry environment.
Yes, it is designed for 277 V single-phase systems and provides a 120 kAIC interrupt rating, enabling robust surge handling for typical industrial mains and panel boards. The compact external side mounting in a NEMA 4X enclosure supports easy integration into existing infrastructure.
The device is UL 1449 listed and includes UL 1283 5th Edition filtering, aligning with recognized performance and safety standards for SPDs. It carries a 10-year warranty and is built into a rugged NEMA 4X enclosure, which supports installation in both indoor and harsher environments, ensuring regulatory compliance across facilities.
By clamping transient surges and preventing voltage spikes, it reduces unexpected equipment failures, lowers maintenance frequency, and extends life of protected assets. The UL-listed filtering helps meet power quality requirements without additional external components, delivering a favorable total cost of ownership in data centers, manufacturing lines, and commercial spaces.
As a solid-state SPD with up to 120 kAIC capacity, routine inspection focuses on enclosure integrity and mounting security. With a 10-year warranty and UL listings, periodic checks during preventive maintenance are advised; inspect for moisture intrusion in the NEMA 4X enclosure and confirm connections comply with the installation diagram.