Eaton SPM250480Y3T Surge Protection Device - UL 1449
Part Number: SPM250480Y3T
Quick Summary
The Eaton SPM250480Y3T surge protection device safeguards electrical systems in critical industrial controls and facilities. Surges can damage sensitive PLCs, drives, and panel boards, causing costly downtime and unpredictable maintenance. This model meets UL 1449 and UL 1283 protections and CSA approvals, with a rugged NEMA 4 enclosure for challenging environments. With a 250 kA per phase rating and 277/480 V Wye configuration, it delivers reliable, scalable surge protection for industrial controls, data centers, and manufacturing lines. By combining surge counter functionality with robust enclosure and installation-friendly features, it helps engineers improve uptime, ensure compliance, and lower service costs.
Product Information
Extended Description
SPM250480Y3T Eaton: Surge Protective Device, Max series, Single module, 250 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
SPM250480Y3T
UPC
786685918051
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 UL 1449 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 terminal breaker
Type
Max series
Special features
Standard with surge counter
The SPM250480Y3T provides 250 kA per phase surge capability, enabling it to absorb high-energy transients without stressing protected loads. Business impact: equipment life and uptime improve as PLCs, drives, and sensitive sensors are shielded from damaging spikes. Application: suitable for 277/480 V Wye systems in industrial controls, motors, and automation panels. It supports 277/480 V Wye power with four-wire plus ground, simplifying integration into existing panels. Business impact: reduces wiring complexity and supports scalable protection as lines add capacity. Application: controls, MCCs, and machine interfaces in manufacturing and data centers. The rugged NEMA 4 enclosure protects internal components from dust, water ingress, and harsh environments. Business impact: installation is safer and maintenance intervals are extended, even in outdoor or wash-down areas. Application: outdoor equipment rooms, warehouse facilities, and exposed service entrances. A built-in surge counter provides real-time event tracking for proactive maintenance. Business impact: improves fault isolation and enables data-driven decisions on replacement cycles. Application: critical control panels and data-driven facilities that require traceable protection histories. The MAX series offers a 15-year warranty, extendable to 20 years with registration, signaling long-term reliability. Business impact: lowers total cost of ownership and supports compliance reporting. Application: procurement for large-scale rollouts, OEMs integrating SPD protection into panel builds.
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FAQs
The SPM250480Y3T is designed for 277/480 V Wye (4W+G) configurations, offering a single-module protection option that integrates with standard industrial power systems. It supports common panel and MCC arrangements, reducing wiring changes and enabling straightforward retrofits in existing automation lines.
This model carries UL 1449 and UL 1283 certifications and CSA approvals (Electrical Notice No. 516 and CSA Std. C22.2 No. 8-M1986). It is RoHS compliant, aligning with industry regulations and enabling compliance-driven procurement for regulated facilities.
Yes. The device comes in a rugged NEMA 4 enclosure with an internal terminal breaker, making it appropriate for outdoor or wash-down environments where dust, moisture, or radiation exposure may be a concern while still protecting critical electronics.
The SPD offers 250 kA per phase surge protection, suitable for demanding transients in industrial settings. It includes a surge counter for monitoring events and carries a 15-year warranty, extendable to 20 years with registration, supporting long-term reliability and maintenance planning.
Yes. As part of Eaton’s MAX series, the SPM250480Y3T is designed for compatibility with MAX protected panels and can be deployed as a single-module protection unit within standard 277/480 V Wye distribution schemes, simplifying procurement and installation in new builds or retrofits.