Eaton SPD100480Y1P Surge Protection Device – UL 1449
Part Number: SPD100480Y1P
Quick Summary
SPD100480Y1P is a surge protection device designed to protect 277/480V three-phase systems in critical electrical panels. Downtime from power transients can quickly drive up maintenance costs and risk equipment failure. UL 1449 certification and a NEMA 4X stainless enclosure support safe, reliable operation in demanding environments. External sidemount installation and a 100 kAIC capability provide scalable protection with easy serviceability. With a 15-year warranty, this device delivers solid ROI by reducing unplanned outages and extending equipment life. Designed for external mounting to electrical distribution equipment, it also fits diverse switchgear configurations on manufacturing floors, data centers, and large panel boards.
Product Information
Extended Description
SPD100480Y1P Eaton: Surge Protection Device, SPD series, 100 kAIC, 277/480V wye (4W+G), Basic feature package, NEMA 4X stainless steel 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
SPD100480Y1P
UPC
786685339870
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
Basic feature package
Voltage rating
277/480V wye (4W+G)
Enclosure
NEMA 4X
Mounting Method
External side
Enclosure material
Stainless steel
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 - SPD100480Y1P
Eaton’s SPD Series (Sidemount Versions) Data Sheet
Feature: 100 kAIC interrupt rating. Business Impact: dramatically improves transient energy handling, reducing downstream equipment damage and minimizing downtime in dynamic power environments. Application: ideal for heavy industry, process plants, and facilities with frequent switching events where robust surge protection is essential. Feature: NEMA 4X stainless steel enclosure. Business Impact: provides environmental resilience against dust, moisture, and corrosion, lowering enclosure upkeep costs and extending service intervals. Application: outdoor installations, damp facilities, and harsh production floors benefit from durable protection. Feature: External sidemount mounting. Business Impact: simplifies retrofit and integration with existing electrical distribution equipment, reducing installation time and labor. Application: sideload protection for large switchgear, motor control centers, and panel boards. Feature: Voltage configuration and operating voltages. Business Impact: accommodates diverse power systems while maintaining reliable protection across L-N, L-G, N-G, and L-L connections. Application: 277/480V wye networks in data centers and manufacturing lines. Feature: Certifications and warranty. Business Impact: UL 1449 compliance plus a 15-year warranty provide risk mitigation, regulatory alignment, and long-term total cost of ownership advantages. Application: procurement and compliance programs in industrial facilities seeking documented performance and value.
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FAQs
SPD100480Y1P is designed for external sidemount installation on electrical distribution equipment. Follow Eaton's installation manual IM01005031E to ensure proper mounting, grounding, and wiring. The sidemount configuration simplifies integration with existing switchgear and minimizes field modifications, reducing installation time while maintaining UL 1449 compliance.
The 100 kAIC rating indicates the device can safely interrupt extremely high-energy surge events. This translates to superior protection for downstream loads such as drives, transformers, and motors, reducing the risk of insulation damage and unplanned outages in facilities with high transient energy from switching or utility disturbances.
Yes. The product is specifically rated for 277/480V wye (4W+G) configurations, with operating voltages including 320 L-N, 320 L-G, 320 N-G, and 640 L-L. It provides robust protection for industrial panels, data centers, and manufacturing lines powered by 277/480V distribution systems.
SPD100480Y1P carries UL 1449 certification for surge protection devices and uses a NEMA 4X stainless steel enclosure, suitable for indoor and outdoor harsh environments. The combination supports reliable performance, regulatory compliance, and extended service life in demanding facilities.
The device includes a 15-year warranty, providing long-term protection against surge damage and lower total cost of ownership. This warranty, combined with downtime reduction and asset life extension, improves return on investment by minimizing replacement frequency and maintenance expenses in critical production environments.