Eaton SP3-480Y Surge Protective Device - 50 kAIC
Part Number: SP3-480Y
Quick Summary
The Eaton SP3 surge protective device protects three-phase electrical systems in industrial controls and critical manufacturing equipment. Unplanned surges and transient events threaten uptime and damage equipment, driving costly downtime. Designed to meet industry-standard safety expectations such as CE marking and SIL‑suitability guidance while aligning with IP‑rated enclosure concepts, this SPD supports reliable protection across harsh environments. By combining the SP3-480Y's compact form with a robust 50 kAIC rating and a 277/480 V wye configuration, this solution helps protect assets, reduce maintenance costs, and simplify compliance. For procurement teams and engineers, this translates to fewer spare parts, faster panel commissioning, and predictable performance in demanding industrial settings.
Product Information
Extended Description
SP3-480Y Eaton: Eaton Innovative Technology Protector surge protective device, Surge Protection Device, SP3 series, 50 kAIC, 277/480 wye, three-phase
Product Name
Eaton SP3 surge protective device
Catalog Number
SP3-480Y
UPC
786689805579
Product Length/Depth
2.5 in
Product Height
4.8 in
Product Width
2.9 in
Product Weight
1.25 lb
High surge rating alignment → Business impact: strengthens transient defense, reducing downstream damage and unplanned downtime → Application: protects three‑phase panelboards in manufacturing lines with frequent voltage impulses. Compact footprint and light weight (2.5 in depth, 2.9 in width, 4.8 in height; 1.25 lb) → Business impact: easier installation and space-efficient panel layouts, lowering enclosure modification costs → Application: ideal for retrofit projects and new buildouts in compact electrical rooms. SP3 series compatibility → Business impact: standardized protection across multiple feeders and panels, simplifying procurement and stocking → Application: streamlines design and maintenance for integrators and OEMs working with 277/480 V systems. Proven performance metrics (50 kAIC) → Business impact: extended asset life and reduced spare-part consumption, delivering measurable ROI over time → Application: critical equipment protection in conveyors, presses, and other high‑demand machinery. Robust protection with straightforward integration → Business impact: faster commissioning and fewer field service calls, improving overall uptime → Application: suitable for switchgear, MCCs, and control panels in harsh industrial environments.
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FAQs
If you’re retrofitting or integrating into a new panel, verify the SP3-480Y’s three-phase, 277/480 V suitability and ensure enclosure clearance for its 2.5 in depth, 2.9 in width, and 4.8 in height. Mount in accordance with your panel manufacturer’s guidelines and electrical codes, then connect line and load terminals per the SP3 series wiring diagram. Confirm the unit’s 1.25 lb weight aids handling and reduces mounting stress on panels.
The SP3-480Y offers a 50 kAIC surge rating, designed for three-phase protection in 277/480 V wye systems. It belongs to Eaton’s SP3 series, delivering robust transient protection for critical equipment while maintaining a compact footprint suitable for standard electrical rooms and panelboards.
Yes. The SP3-480Y is designed for three-phase, 277/480 V protection, making it appropriate for panelboards and switchgear in manufacturing environments. Its 50 kAIC rating supports higher transient events common in industrial settings, helping to maintain uptime and protect motors, drives, and control circuits.
Refer to the Eaton SP3-480Y datasheet for the exact certification listings applicable to your region. In practice, verify CE markings and any UL/CSA or regional approvals as part of your compliance review, and confirm that the product meets your facility’s installation standards and safety requirements.
Expect reduced unplanned downtime and lower maintenance costs due to improved transient protection, which minimizes downstream equipment damage. The 50 kAIC rating provides a generous protection margin, potentially extending asset life and decreasing spare-part needs. Routine inspection aligned with your maintenance plan helps sustain performance over the product life cycle.