Eaton SPD100480Y2O Surge Protection Device - 100 kAIC
Part Number: SPD100480Y2O
Quick Summary
SPD100480Y2O is a surge protection device for 277/480V wye systems in industrial facilities. It helps prevent downtime and equipment damage caused by power transients and voltage spikes across critical production lines. UL 1449 listed with a NEMA 4X enclosure ensures reliable performance in harsh environments. Designed for sidemount installation with external mounting options, it simplifies upgrades and minimizes installation disruption. With a 15-year warranty and a 100 kAIC interrupt rating, this unit delivers long-term protection while reducing maintenance costs. For data centers, manufacturing floors, and facilities managers, the SPD series provides consistent protection that supports uptime targets and regulatory compliance.
Product Information
Extended Description
SPD100480Y2O Eaton: Surge Protection Device, SPD series, 100 kAIC, 277/480V wye (4W+G), Standard feature package, 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
SPD100480Y2O
UPC
786685337272
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
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 - SPD100480Y2O
Eaton’s SPD Series (Sidemount Versions) Data Sheet
Feature: 100 kAIC interrupt rating paired with UL 1449 listing provides superior transient energy handling. Business Impact: Reduces the risk of downstream equipment damage during large transients, improving overall system reliability and protecting critical assets. Application: Ideal for industrial power distributions in data centers, manufacturing lines, and automation facilities where surge events are frequent. Feature: NEMA 4X enclosure with external sidemount mounting. Business Impact: Delivers rugged protection against moisture, dust, and corrosive environments while enabling easier retrofit and expansion. Application: Suitable for outdoor installations or harsh plant floors where weather sealing and ingress protection matter. Feature: Voltage rating 277/480V wye (4W+G). Business Impact: Ensures seamless compatibility with common industrial switchgear and feeders, reducing integration risk. Application: Applies to mid- to large-scale electrical distribution in industrial facilities. Feature: Operating voltage configurations (320 L-N, 320 L-G, 320 N-G, 640 L-L). Business Impact: Supports multiple protection schemes without extra equipment, lowering total cost of ownership. Application: Practical for multi-channel protection in mixed-load environments. Feature: Long warranty of 15 years and standard feature package. Business Impact: Lowers life-cycle costs and minimizes maintenance planning, improving TCO. Application: Valuable for facilities managers seeking predictable budgeting and reliable protection. Feature: External mounting and sidemount installation. Business Impact: Speeds retrofit projects and minimizes downtime during upgrades while aligning with existing distribution infrastructure. Application: Ideal for external protection applications on distribution equipment and switchboards.
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FAQs
SPD100480Y2O supports external sidemount installation, which simplifies integration with existing distribution gear. When planning installation, ensure adequate clearance for the enclosure, proper routing of L-N, L-G, N-G conductors, and secure mounting points to maintain NEMA 4X integrity. Use matching mounting hardware and observe manufacturer torque specs to preserve protection performance.
The device provides a 100 kAIC interrupt rating and is rated for 277/480V wye (4W+G). It supports protection across L-N, L-G, N-G, and L-L configurations with operating voltages of 320 V across L-N, L-G, and N-G, and 640 V L-L. It is UL 1449 listed and designed for external sidemount installation in industrial settings.
Yes, SPD100480Y2O is designed for 277/480V wye systems. It provides surge protection against transient overvoltages, safeguarding connected equipment from voltage spikes during utility disturbances, switching events, and lightning-induced surges. With a 100 kAIC rating, it accommodates high-energy events typical in industrial environments while maintaining safe operation through a rugged NEMA 4X enclosure.
This surge protection device is UL 1449 listed, signaling compliance with recognized safety standards for surge protection. It features a NEMA 4X enclosure, offering ingress protection suitable for damp or dusty environments. The combination of UL listing and IP-rated enclosure supports reliability, maintenance ease, and long-term operation in challenging industrial settings.
Investing in the SPD100480Y2O yields a favorable total cost of ownership by reducing downtime, protecting critical equipment, and extending component life. The 15-year warranty provides budgeting certainty, while the 100 kAIC rating and rugged enclosure lower the risk of costly outages. In practice, facilities experience fewer spare-part replacements and smoother regulatory compliance for surge protection.