Eaton SPM250220Y1T Surge Protection Device - UL/CSA
Part Number: SPM250220Y1T
Quick Summary
Eaton SPM250220Y1T surge protection device protects sensitive industrial electrical systems from damaging transients. Operators and maintenance teams often battle unpredictable surges that halt production and shorten asset life. With UL 1283, UL 1449 and CSA listings, plus a robust NEMA 4 enclosure, the SPM250220Y1T meets harsh plant conditions. This model combines 250 kA per phase protection with a 127/220 V Wye configuration, delivering reliability with a 15-year warranty. In addition, its compact single-module design supports easy integration in existing panels, reducing installation time and lifecycle costs while aligning with commissioning and maintenance strategies for growing facilities.
Product Information
Extended Description
SPM250220Y1T Eaton: Surge Protective Device, Max series, Single module, 250 kA per phase, 127/220 Wye (4W+G), Basic, NEMA 4 with internal terminal breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM250220Y1T
UPC
786685917412
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
127/220 Wye (4W+G)
Enclosure
NEMA 4 with internal terminal breaker
Type
Max series
Special features
Basic
Feature → Business Impact → Application: The SPM250220Y1T delivers 250 kA per phase surge protection, dramatically reducing the risk of equipment damage during high-energy transient events and enabling longer asset life in motor drives and power distribution. This supports uptime optimization in manufacturing lines and data-center-adjacent panels where rapid restoration is critical. The 127/220 V Wye (4W+G) configuration ensures compatibility with common industrial power systems, simplifying panel upgrades and new installations alike, while allowing fast field wiring and minimal phase balancing concerns. The NEMA 4 enclosure with an internal terminal breaker improves durability in dirty or outdoor environments and streamlines wiring workmanship, reducing install time and field fault risk. The Basic feature set keeps total cost of ownership lower, while RoHS compliance and UL/CSA certifications reassure compliance and procurement confidence. Warranty extends protection for capital equipment, enhancing ROI and long-term service planning. This SPD MAX series unit integrates seamlessly with Eaton protection ecosystems and legacy protection schemes, ensuring scalable protection for growing facilities.
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FAQs
The SPM250220Y1T is designed for straightforward field wiring with a single module format and internal terminal breaker. Plan for a 127/220 V Wye configuration, ensure busbar clearance for a 50 lb unit, and follow NEMA 4 installation guidelines to protect against environmental exposure. Verify compatibility with your panel's footprint and ensure proper grounding to maximize surge suppression performance.
The device supports 127/220 V Wye (4W+G) operation, which is common in industrial distribution and motor control environments. This configuration simplifies wiring, aligns with standard plant voltages, and enables effective clamping of surge events across phases while preserving system uptime and minimizing nuisance tripping.
The SPM250220Y1T carries UL 1283 and UL 1449 certifications and CSA listings, providing formal safety, performance, and reliability validation. These certifications help meet electrical code requirements, facilitate procurement through recognized compliance, and reduce risk during audits and inspections across industrial facilities.
Yes. With a 250 kA per phase rating, RoHS compliance, and a durable NEMA 4 enclosure, the SPD minimizes equipment damage from transients, extends component life, and lowers maintenance intervals. The 15-year warranty (20 years with registration) also lowers total cost of ownership by reducing replacement and service expenditures over time.
The SPM250220Y1T is part of the Eaton SPD MAX series and is designed for compatibility with Eaton protection ecosystems, including typical panel layouts and internal terminal breaker configurations. The NEMA 4 enclosure and 4W+G wiring approach support easy integration into both new builds and panel upgrades while maintaining protective coordination with other Eaton devices.