Eaton SPM300480Y1T Surge Protection - UL 1449 Certified
Part Number: SPM300480Y1T
Quick Summary
Eaton SPM300480Y1T surge protection device safeguards electrical systems in industrial and commercial equipment, preventing transient overvoltage damage. For engineers and procurement teams, unreliable surge protection leads to unexpected downtime and costly component failures during lightning events or switching surges. This SPD MAX series unit is UL 1449 and UL 1283 listed, CSA certified, and RoHS compliant, with a rugged NEMA 4 enclosure, an internal terminal breaker, and a built-in surge counter for at-a-glance protection status. By combining durable construction with clear diagnostics, it delivers predictable performance in panels and control cabinets. The device supports 277/480 V Wye systems and aligns with Eaton's ecosystem for scalable protection in automation and power distribution.
Product Information
Extended Description
SPM300480Y1T Eaton: Surge Protective Device, Max series, Single module, 300 kA per phase, 277/480 Wye (4W+G), Standard with surge counter, NEMA 4 with internal terminal breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM300480Y1T
UPC
786685918457
Product Length/Depth
9.3 in
Product Height
17.5 in
Product Width
14.91 in
Product Weight
50 lb
Warranty
15 years from the date of delivery (20 years when registered on www.eaton.com/spd)
Compliances
RoHS Compliant
Certifications
UL 1283 CSA Electrical Notice NO. 516 Edition 1 CSA Std. C22.2 No. 8-M1986 UL 1449
Voltage rating
277/480 Wye (4W+G)
Enclosure
NEMA 4 with internal terminal breaker
Type
Max series
Special features
Standard with surge counter
Feature: 300 kA per phase surge protection. Benefit: absorbs high-energy transients, protecting sensitive motors, drives, and controllers, reducing equipment wear and unplanned downtime. Application: ideal for manufacturing lines and critical automation panels where reliable surge mitigation is essential. Feature: 277/480 V Wye (4W+G) rating. Benefit: compatible with common industrial power distributions, enabling seamless integration in new builds and retrofit projects. Application: control cabinets and machine rooms in high-voltage environments. Feature: NEMA 4 enclosure with internal terminal breaker. Benefit: rugged, weather-resistant housing and simplified wiring reduce installation time and field alterations. Application: outdoor or dusty environments and harsh manufacturing floors. Feature: Standard surge counter. Benefit: real-time protection status and maintenance planning, lowering service windows and inspection costs. Application: routine panel audits and predictable uptime in production facilities. Feature: RoHS compliant with multiple certifications (UL 1449, UL 1283, CSA). Benefit: ensures regulatory compliance and easier procurement across regulated industries. Application: healthcare, data centers, and regulated manufacturing settings. Feature: 15-year warranty (20 years when registered on Eaton SPD site). Benefit: lowers total cost of ownership and enhances asset reliability over time. Application: long-term protection strategy for critical infrastructure.
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FAQs
The SPM300480Y1T is designed for straightforward mounting in standard electrical panels with a 277/480 V Wye configuration. It features a NEMA 4 enclosure and an internal terminal breaker to simplify wiring and reduce field modifications. Ensure proper clearance for the 17.5 in height and follow manufacturer torque specs on all terminations to maintain reliability in industrial environments.
This unit delivers up to 300 kA per phase surge protection, absorbing high-energy transients before they reach downstream devices such as drives, PLCs, and sensors. The built-in surge counter provides diagnostic visibility, enabling proactive maintenance and minimizing unexpected failures in demanding automation panels.
Yes. With 277/480 V Wye operation, rugged NEMA 4 protection, and UL/CSA certifications, the device fits data center power distribution and industrial automation panels. Its RoHS compliance and long warranty support regulated environments while maintaining uptime, making it an effective component in scalable protection strategies.
The SPM300480Y1T carries UL 1449 and UL 1283 listings, CSA certifications, and RoHS compliance. These certifications confirm electrical safety, performance under surge conditions, and regulatory compliance, simplifying procurement in regulated industries and helping meet corporate compliance requirements.
The unit carries a 15-year warranty from delivery, extended to 20 years when registered with Eaton, which lowers replacement and maintenance costs. The built-in surge counter enables proactive maintenance, reducing downtime. Its durable NEMA 4 enclosure and RoHS/CSA certifications support long-term asset protection and predictable budgeting in industrial facilities.