Eaton SPM250208Y4T SPD MAX surge protection device - UL 1449
Part Number: SPM250208Y4T
Quick Summary
The Eaton SPM250208Y4T SPD MAX surge protection device protects electrical systems in critical industrial and commercial panels. In noisy power environments, transient surges can damage drives, controllers, and sensors, leading to costly downtime. UL 1449 listing and a rugged NEMA 4 enclosure rating support regulatory compliance and reliable field performance. Designed for 120/208 V four‑wire plus ground systems, it integrates with standard panelwork and Power Xpert SPD products to streamline installation. By reducing surge-related failures, this device lengthens asset life and delivers measurable ROI for data centers, manufacturing lines, and utilities.
Product Information
Extended Description
SPM250208Y4T Eaton: Eaton SPD Max series surge protection device, SPD Max Series, 250 kA per phase, 120/208 Wye (4W + G), Power Xpert SPD, NEMA 4 with internal terminal block
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM250208Y4T
UPC
786689408367
Product Length/Depth
9.5 in
Product Height
17.05 in
Product Width
15 in
Product Weight
52 lb
Certifications
UL 1449
Voltage rating
120/208 wye (4W+G)
Surge current
250kA per phase
The 250 kA per phase surge rating provides robust protection by absorbing transient energy before it reaches sensitive equipment, reducing failure rates and unplanned downtime. This protection translates into lower maintenance costs and longer asset life, especially for data centers, motor drives, and PLC panels. The 120/208 V Wye (4W+G) configuration enables direct integration with common distribution schemes, simplifying wiring and speeding commissioning in commercial and industrial facilities. A NEMA 4 enclosure with an internal terminal block delivers dust and water resistance while enabling clean, field-friendly wiring, minimizing installation errors. UL 1449 listing confirms compliance with recognized surge protection standards, which supports NEC-based audits and regulatory requirements. The compact footprint and 52 lb weight provide a sturdy, mountable solution for centralized surge protection cabinets, alongside compatibility with Eaton’s protected Power Xpert SPD ecosystem to streamline maintenance. This combination reduces risk and supports a measurable return on investment through improved uptime and power quality.
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FAQs
SPM250208Y4T is designed specifically for 120/208 V four‑wire plus ground distributions. It plugs into standard panelboards and switchgear without the need for special adapters, enabling straightforward wiring, proper grounding, and reliable protection for downstream loads such as drives, PLCs, and sensors.
The device delivers 250 kA per phase of surge capacity, absorbing transient energy from line-to-neutral and line-to-ground events before it reaches protected equipment. This minimizes component stress, reduces the likelihood of failures, and lowers downtime for critical systems like automation drives and control cabinets.
Yes. The unit uses a NEMA 4 enclosure, designed to resist dust, water, and corrosion in indoor and protected outdoor environments when installed in appropriate weatherproof cabinets. This makes it suitable for demanding manufacturing floors and utility rooms where protection from environmental factors is essential.
UL 1449 listing confirms adherence to recognized surge protection standards, easing NEC compliance and regulatory audits. While CE or IP ratings are not specified for this model, the UL listing combined with the NEMA 4 enclosure provides robust, standards-aligned protection suitable for regulated facilities and procurement qualifications.
Conduct periodic inspections of terminal connections and enclosure seals, and plan replacement when performance indicators suggest degradation. A robust SPD like SPM250208Y4T reduces cascading failures, extends downstream asset life, and lowers total cost of ownership by improving uptime and reducing maintenance expenditures over time.