Eaton SPD100480Y3M Surge Protection Device - UL 1449 Listed
Part Number: SPD100480Y3M
Quick Summary
The Eaton SPD100480Y3M surge protection device shields 277/480V electrical systems from transient events in commercial and industrial power distributions. Owners and engineers often battle unplanned outages and equipment damage caused by voltage spikes during switching, faults, or severe weather. This unit is UL 1449 listed and comes in a rugged NEMA 1 enclosure for indoor panel installations, with external sidemount mounting for straightforward retrofits. With a 100 kAIC interrupt rating and a 15-year warranty, it delivers dependable protection that helps reduce downtime and extend asset life across 277/480V power distributions. This makes it suitable for data centers, manufacturing lines, and critical process equipment where uptime matters.
Product Information
Extended Description
SPD100480Y3M Eaton: Surge Protection Device, SPD series, 100 kAIC, 277/480V wye (4W+G), Standard feature package and surge counter, NEMA 1 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
SPD100480Y3M
UPC
786685331973
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 1
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 - SPD100480Y3M
Eaton’s SPD Series (Sidemount Versions) Data Sheet
Feature: 100 kAIC interrupt rating. Business impact: this high-energy capability confines surge energy, reducing the risk of damage to downstream breakers and sensitive electronics. Application: ideal for motor drives and process equipment in manufacturing facilities where spike energy is common. Feature: Voltage rating for 277/480V wye (4W+G) with defined operating voltages 320 L-N, 320 L-G, 320 N-G, 640 L-L. Business impact: supports reliable performance across typical industrial power systems, lowering misapplication risk. Application: suits commercial and light industrial panels that share neutral and ground references. Feature: NEMA 1 enclosure with external side mounting and internal disconnect. Business impact: rugged indoor installation and serviceability with safe access. Application: fits standard distribution equipment in panels, switchboards, and control cabinets. Feature: Standard feature package plus surge counter. Business impact: enables event tracking for maintenance planning and regulatory reporting. Application: valuable for electrical audits in facilities from data centers to manufacturing lines. Feature: 15-year warranty and UL 1449 listing. Business impact: lowers total cost of ownership through extended coverage and proven safety compliance. Application: trusted by OEMs and integrators for long-life protection in mission-critical installations. Feature: Compact dimensions and weight: 9.5 in length, 3.45 in height, 5.4 in width, 3.5 lb. Business impact: space-efficient sidemount SPD design that eases retrofit into existing enclosures. Application: suitable for tight electrical rooms and panel spaces in industrial facilities.
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FAQs
Install the SPD100480Y3M using its external sidemount configuration on the protected distribution equipment. Ensure proper clearance for heat dissipation, follow the included wiring diagram for Line, Neutral, and Ground connections, and verify the internal disconnect is accessible for safe maintenance. The NEMA 1 enclosure is designed for indoor installations in standard panels or switchgear.
Key specifications include a 277/480V wye rating (4W+G), 320 L-N, 320 L-G, 320 N-G, and 640 L-L operating voltages, plus a 100 kAIC interrupt rating. It ships with a standard feature package and a surge counter and is UL 1449 listed for surge protection devices in indoor panel applications.
Yes. It is designed for 277/480V systems, features external sidemount installation, and comes in a rugged NEMA 1 indoor enclosure. The unit also has a 15-year warranty, providing reliable protection for critical panels, switchgear, and control cabinets in manufacturing and data-center environments.
The SPD100480Y3M is UL 1449 listed for surge protection devices, confirming safety and performance for indoor panel installations. The enclosure is NEMA 1 rated for indoor use, and the unit supports standard industry practices for surge protection in North American electrical systems.
By limiting transient energy and providing a surge counter, the SPD100480Y3M reduces unplanned maintenance and extends equipment life, lowering downtime costs. The 15-year warranty further reduces long-term replacement risks, delivering a favorable return on investment for OEMs and maintenance teams managing power protection across facilities.