Eaton SPD100480Y3N Surge Protection Device - UL 1449
Part Number: SPD100480Y3N
Quick Summary
The Eaton SPD100480Y3N surge protection device shields critical power systems from transient spikes in commercial and industrial networks. When surges strike, downtime and equipment damage can cascade into costly outages and maintenance. It is UL 1449 listed and housed in a rugged NEMA 4X enclosure for harsh environments and external side mounting. Designed for scalable protection programs, it supports 277/480V systems, external side mounting, and long-term reliability, helping facilities meet safety and uptime goals. With a 15-year warranty and a 100 kAIC interrupt rating, it reduces lifecycle costs and simplifies procurement for electrical engineers and maintenance teams.
Product Information
Extended Description
SPD100480Y3N Eaton: Surge Protection Device, SPD series, 100 kAIC, 277/480V wye (4W+G), Standard feature package and surge counter, NEMA 4 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
SPD100480Y3N
UPC
786685334677
Product Length/Depth
5.4 in
Product Height
9.5 in
Product Width
3.45 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 - SPD100480Y3N
Eaton’s SPD Series (Sidemount Versions) Data Sheet
Feature: 100 kAIC interrupt rating paired with 277/480V wye (4W+G) capability. Business Impact: Maximizes protection for high-energy electrical distributions, reducing the risk of equipment damage and unplanned downtime. Application: Ideal for industrial panels, machine rooms, and data centers where large transient events occur. Feature: NEMA 4X enclosure with external side mounting. Business Impact: Provides rugged enclosure protection and flexible installation in outdoor or harsh indoor environments, lowering installation costs and retrofit time. Application: Outdoor substations, outdoor equipment racks, and exposed electrical rooms. Feature: Surge counter and standard feature package. Business Impact: Enables proactive maintenance and faster fault diagnostics, improving system availability and reducing maintenance labor. Application: Commissioning in new builds and retrofit projects across plants and facilities. Feature: Operating voltages 320 L-N, 320 L-G, 320 N-G, 640 L-L. Business Impact: Supports multi-directional surge paths across three-phase systems, ensuring comprehensive protection. Application: 3-phase 4W+G distributions common in manufacturing lines and process control systems. Feature: Dimensions and weight (5.4 in L, 9.5 in H, 3.45 in W; 3.5 lb). Business Impact: Streamlined enclosure planning and space budgeting for electrical rooms and equipment cabinets. Application: Retrofit and new installations where space is a constraint. Feature: 15-year warranty and UL 1449 certification. Business Impact: Delivers long-term reliability, minimized total cost of ownership, and confident procurement. Application: Plant-wide protection programs and commissioning packages for industrial facilities.
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FAQs
The SPD100480Y3N is designed for external side mounting in a NEMA 4X enclosure, enabling easy retrofit to existing electrical distribution equipment. Plan for proper clearance around the device, connect L-N, L-G, and N-G paths per Eaton installation instructions, and verify exterior mounting compatibility with your panel outlines to ensure code-compliant, secure installation.
SPD100480Y3N provides a 100 kAIC interrupt rating and accepts 277/480V in a wye configuration (4W+G). It also supports operating voltages of 320 L-N, 320 L-G, 320 N-G, and 640 L-L, delivering robust protection for three-phase systems and critical equipment against transient surges.
Yes. The SPD100480Y3N is specified for 4W+G (four-wire plus ground) configurations and 277/480V wye systems, which are common in 3-phase facilities. Its external side mounting and NEMA 4X enclosure make it compatible with typical industrial distribution equipment and retrofit scenarios.
SPD100480Y3N is UL 1449 listed, ensuring compliance with surge protection standards. It is housed in a NEMA 4X enclosure, offering weather resistance and suitability for challenging environments. The product also ships with a standard feature package and surge counter for diagnostics, backed by Eaton’s 15-year warranty.
The device includes a surge counter and a 15-year warranty, supporting long-term reliability and reduced maintenance costs. Regular checks of the surge counter help validate performance and justify continued protection investments, while the 100 kAIC rating provides confidence in protecting high-energy electrical systems.