Eaton SPC150277N8P Surge Protection Device - UL 1449
Part Number: SPC150277N8P
Quick Summary
The Eaton SPC150277N8P surge protection device provides reliable overvoltage protection for 277 V single‑phase systems in industrial control panels. The challenge many engineers face is safeguarding sensitive drives and controllers from unpredictable surges that cause nuisance trips and costly downtime. UL 1449 listing and a rugged NEMA 4X enclosure deliver regulatory compliance and outdoor resilience, while its 150 kAIC interrupt rating protects critical loads throughout demanding applications. With built‑in filtering and an Alarm plus Form C relay, it supports proactive maintenance and clear signaling for operators. Designed for the SPC series, this device integrates smoothly with standard panel layouts, delivering robust protection with measurable ROI for modern automation environments.
Product Information
Extended Description
SPC150277N8P Eaton: Surge Protection Device, SPC series, 150 kA, 277V, Single-phase, NEMA 4X, Filtering, Alarm and Form C relay
Product Name
Eaton SPC series surge protection device
Catalog Number
SPC150277N8P
UPC
786680219061
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, Alarm & Form C relay
Voltage rating
277 V
Enclosure
NEMA 4X
Phase
Single-phase
Mounting Method
External side
Interrupt rating
150 kAIC
Series
SPC
High‑energy surge protection rating enables protection of downstream equipment from damaging voltage transients, reducing unplanned downtime and maintenance costs. This is especially valuable for PLCs, drives, and motor starters in 277 V panels where a single surge can disrupt production. The 150 kAIC interrupt rating provides a bold safety margin for industrial environments and supports compliant electrical protection strategies. Filtering, along with an Alarm and Form C relay, minimizes nuisance tripping while delivering immediate fault signaling to maintenance teams, improving response times and reducing emergency service calls. The NEMA 4X enclosure ensures rugged reliability in dusty, humid, or outdoor installations, expanding deployment options without compromising protection. External side mounting and a compact footprint simplify retrofits and new installations, saving panel space and reducing install time. UL 1449 listing and a 10‑year warranty reinforce long‑term value, aligning with procurement goals for reliable, cost‑effective protection. The 277 V single‑phase design matches common industrial loads, streamlining wiring and minimizing panel complexity for faster commissioning.
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FAQs
Install in a panel with external side mounting, ensuring at least the recommended clearance for wiring and service access. The device fits a 5.5 in depth, 6 in height, and 3.19 in width footprint and weighs 2.5 lb, making retrofits straightforward. Follow UL 1449 guidance, mount in a protected space, and wire per 277 V single‑phase standards to optimize performance and safety.
It is rated for 150 kAIC, meaning it can absorb substantial transient energy before allowing voltage to propagate to downstream equipment. This protection helps prevent damage to PLCs, drives, and other control hardware, reducing the risk of costly outages and equipment replacement in demanding industrial environments.
Yes. The SPC150277N8P uses a NEMA 4X enclosure, which provides robust protection against dust, water, and corrosion. This makes it suitable for outdoor panels and harsh indoor environments where reliable surge protection is essential for continuous operation and uptime.
The SPD is UL 1449 listed, confirming compliance with recognized surge protection standards. It also features a rugged NEMA 4X enclosure for environmental protection, supporting regulatory requirements for industrial installations and bolstering procurement confidence in rugged field deployments.
Beyond protecting valuable assets, the device offers measurable ROI through reduced downtime, longer equipment life, and proactive signaling via the Alarm and Form C relay. Its 10‑year warranty and UL 1449 listing provide long‑term reliability, helping maintenance teams plan budgets and minimize unexpected repair costs in automated production lines.