Eaton SPM120480Y3R Surge Protection Device - UL 1449
Part Number: SPM120480Y3R
Quick Summary
An Eaton SPM120480Y3R surge protection device protects critical power equipment in 277/480 V Wye systems. For engineers and maintenance teams, reliability and fast return on investment are top priorities when adding protection to new builds or retrofit projects. This model addresses common challenges such as nuisance tripping, component burnout, and difficult panel integration by delivering a compact, single-module design with an internal circuit breaker. It carries trusted certifications including UL 1449, UL 1283, and CSA, plus RoHS compliance, ensuring regulatory alignment in industrial facilities. By combining robust protection with a surge counter and NEMA 4 enclosure, it supports safer, longer-lasting electrical systems and easier maintenance.
Product Information
Extended Description
SPM120480Y3R Eaton: Surge Protective Device, Max series, Single module, 120 kA per phase, 277/480 Wye (4W+G), Standard with surge counter, NEMA 4 with internal circuit breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM120480Y3R
UPC
786685914855
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 1449 UL 1283 CSA Electrical Notice NO. 516 Edition 1 CSA Std. C22.2 No. 8-M1986
Voltage rating
277/480 Wye (4W+G)
Enclosure
NEMA 4 with internal circuit breaker
Type
Max series
Special features
Standard with surge counter
Feature: 120 kA per phase surge rating for 277/480 V Wye systems. Business Impact: dramatically reduces transient fault energy reaching downstream equipment, lowering downtime and extending asset life. Application: ideal for data centers, manufacturing lines, and large control panels where high-energy surges may occur. Feature: NEMA 4 enclosure with internal circuit breaker. Business Impact: provides weather-resistant protection and safe, simple maintenance with integrated protection at the panel boundary. Application: suited for indoor and outdoor installations, exterior switchgear, and harsh factory environments. Feature: Standard surge counter. Business Impact: enables proactive maintenance planning and easier problem-tracking by recording surge events. Application: critical feeders and distributed protection schemes where monitoring is essential. Feature: RoHS compliant with UL 1449, UL 1283, and CSA certifications. Business Impact: supports regulatory compliance programs and simplifies procurement with recognized industry standards. Application: preferred for regulated facilities and spec-driven projects. Feature: Compact single-module design supporting 4W+G configuration and straightforward integration. Business Impact: reduces installation time, minimizes wiring and space requirements, and enables scalable protection across multiple panels. Application: panelboard retrofits, modular protection schemes, and new equipment installations.
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FAQs
Begin by verifying panel rating and ensuring the device is mounted within the designated space of the enclosure. Connect conductors per the 4W+G configuration, place the surge protection module inline with the feeder, and confirm the internal circuit breaker is set to the correct trip position. After installation, use the surge counter to verify operation and perform a quick functional check per the Eaton specification sheet.
The SPM120480Y3R carries UL 1449 and UL 1283 listings, CSA Electrical Notice No. 516 Edition 1, and CSA Std. C22.2 No. 8-M1986, along with RoHS compliance. These certifications support regulatory acceptance in regulated facilities and simplify approval processes for panel builds and retrofits.
Yes. The device utilizes a NEMA 4 enclosure with an internal circuit breaker, providing weather-resistant protection ideal for outdoor installations and harsh industrial environments. Ensure proper mounting and enclosure integrity in the specific outdoor setting, and follow installation guidelines for outdoor electrical protection devices.
The SPM120480Y3R offers a 120 kA per phase surge rating, designed for 277/480 V Wye (4W+G) systems. This rating targets protection of primary feeders, critical panels, and sensitive downstream equipment from high-energy transients commonly seen in industrial facilities, data centers, and manufacturing lines.
The product carries a 15-year warranty from the date of delivery, with an extended 20-year coverage if registered on Eaton’s SPD site. Registration helps ensure warranty eligibility and provides access to updated protection documentation, enabling longer-term assurance for extended projects and asset lifecycle planning.