Eaton SPD100480Y3O Surge Protection Device - UL 1449
Part Number: SPD100480Y3O
Quick Summary
SPD100480Y3O is a surge protection device that safeguards 277/480V electrical systems in industrial facilities. Power transient events can cause unexpected downtime, motor stalls, and elevated maintenance costs if protection is overlooked. This model is UL 1449 listed and housed in a rugged NEMA 4X enclosure, with a 15-year warranty for long-term protection in harsh environments. Its external sidemount design simplifies retrofit and integration with existing electrical distribution equipment, saving time during installation. By combining high-energy protection with intuitive monitoring features like a surge counter, this SPD supports proactive asset management while meeting industry standards and improving overall plant reliability today.
Product Information
Extended Description
SPD100480Y3O Eaton: Surge Protection Device, SPD series, 100 kAIC, 277/480V wye (4W+G), Standard feature package and surge counter, NEMA 4 with internal disconnect enclosure, External side mount, 320 L-N, 320 L-G, 320 N-G, 640 L-L operating voltage
Product Name
Eaton SPD series surge protection device
Catalog Number
SPD100480Y3O
UPC
786685337371
Product Length/Depth
9.5 in
Product Height
3.45 in
Product Width
5.4 in
Product Weight
3.5 lb
Warranty
15 year
Certifications
UL 1449
Type
Surge protection device
Accessories
Standard feature package and surge counter
Voltage rating
277/480V wye (4W+G)
Enclosure
NEMA 4X
Mounting Method
External side
Interrupt rating
100 kAIC
Operating voltage
320 L-N, 320 L-G, 320 N-G, 640 L-L
Series
SPD
Eaton’s SPD Series (Sidemount Versions) Brochure
Eaton SPD Series - For Mounting External To Electrical Distribution Equipment Installation Manual
Eaton Specification Sheet - SPD100480Y3O
Eaton’s SPD Series (Sidemount Versions) Data Sheet
Feature: 100 kAIC interrupt rating provides high-energy surge handling. Business Impact: dramatically reduces the risk of equipment damage during transient events and minimizes costly downtime associated with downstream faults. Application: ideal for protecting motor drives, switchgear, panelboards, and HVAC controls in manufacturing floors and process plants. Feature: Voltage rating of 277/480V wye (4W+G) ensures compatibility with common industrial power systems. Business Impact: simplifies procurement and installation by matching standard plant voltages, reducing wiring changes and integration time. Application: effective in data centers, coordination cabinets, and outdoor distribution panels where robust protection is required across multi-volt feeders. Feature: NEMA 4X enclosure delivers weatherproof, dust-tight protection for harsh environments. Business Impact: enables outdoor or damp-dust locations to retain protection integrity, lowering enclosure-related failure risks and maintenance costs. Application: exterior panels, service entrances, and outdoor equipment housings subject to weather and washdown conditions. Feature: External sidemount mounting supports easy installation without intrusive disassembly. Business Impact: accelerates retrofit projects and minimizes downtime during protection upgrades. Application: adds SPD to existing electrical distribution equipment, including switchboards and panelboards, with minimal footprint changes. Feature: Standard feature package and surge counter supports proactive maintenance. Business Impact: provides visible surge history for lifecycle planning, regulatory reporting, and warranty compliance. Application: asset-management programs across facilities that require traceable protection metrics. Feature: Broad operating voltage set and 15-year warranty offer long-term protection at predictable cost. Business Impact: reduces unexpected replacement cycles and ensures sustained compliance. Application: procurement teams evaluating total cost of ownership across industrial plants. Feature: Surge counter is included and can integrate with monitoring systems. Business Impact: enables data-driven maintenance planning and regulatory reporting. Application: supports SCADA, BMS, and IoT dashboards to visualize transient activity. Feature: External sidemount installation readiness shortens project timelines. Business Impact: reduces field labor and speeds commissioning. Application: retrofit and new builds needing rapid SPD deployment across multiple panels.
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FAQs
SPD100480Y3O is designed to protect 277/480V wye systems powering motor drives, switchgear, panelboards, and HVAC controllers. Its external sidemount installation supports retrofits with minimal disruption. It integrates with standard distribution gear to provide fast, reliable transient protection across industrial assets.
External sidemount mounting allows the surge protector to be mounted on the side of existing equipment without opening the enclosure. This simplifies retrofits, reduces installation time, minimizes downtime, and avoids invasive wiring changes, which helps keep projects on schedule and within budget.
Yes. The unit uses a NEMA 4X enclosure, providing weatherproof and dust-tight protection for outdoor or damp environments. This makes it suitable for exterior panels, service entrances, and outdoor substations where transient protection is required without compromising enclosure integrity.
SPD100480Y3O is UL 1449 listed, reflecting compliance with surge suppression safety standards. It features a rugged NEMA 4X enclosure and comes with a 15-year warranty, offering long-term reliability for industrial facilities and regulated environments.
The surge counter and standard protection package enable proactive maintenance and predictable lifecycle costs. By reducing unplanned downtime and extending equipment life, facilities often see lower total cost of ownership, easier regulatory reporting, and improved asset-management outcomes across plant operations.