Eaton SPM300220Y4R Surge Protection Device - UL 1449
Part Number: SPM300220Y4R
Quick Summary
The Eaton SPM300220Y4R surge protection device protects critical electrical systems from transient overvoltages in industrial power distribution. Unprotected equipment during storm surges or switching transients leads to downtime and costly repairs. UL 1449-listed protection and a NEMA 4 enclosure provide safety and reliability, while the 127/220 V Wye configuration supports common industrial feeds. This solution boosts uptime and asset protection, delivering power quality improvements with a compact, robust SPD that integrates easily with existing panels and distribution networks.
Product Information
Extended Description
SPM300220Y4R Eaton: Eaton SPD Max series surge protection device, SPD Max Series, 300 kA per phase, 127/220 Wye (4W + G), Power Xpert SPD, NEMA 4 with internal circuit breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM300220Y4R
UPC
786689410599
Product Length/Depth
9.5 in
Product Height
17.05 in
Product Width
15 in
Product Weight
52 lb
Certifications
UL 1449
Voltage rating
127/220 Wye (4W+G)
Surge current
300kA per phase
The SPM300220Y4R delivers a robust 300 kA per phase surge rating, guarding essential equipment against high-energy transients and reducing unplanned downtime for manufacturing lines and data centers. By combining a NEMA 4 enclosure with an internal circuit breaker, installation is straightforward and maintenance-friendly, minimizing external hardware and enabling quick field service. The 127/220 V Wye (4W+G) configuration supports common four-wire systems, ensuring compatibility with many standard industrial feeders and panelboards, while Power Xpert integration facilitates coordinated protection across the site. With UL 1449 listing, compliance is straightforward for regulated environments, and the 9.5 in depth, 17.05 in height, and 15 in width form a compact footprint for congested panels. The 52 lb weight signals a sturdy, vibration-resistant unit suitable for challenging environments. Users gain predictable protection, improved asset life, and lower total cost of ownership through reduced maintenance and replacement cycles. In practice, the device supports proactive power quality management, enabling preventive maintenance programs and helping facilities meet reliability benchmarks.
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FAQs
The SPM300220Y4R is designed for standard four-wire 127/220 V Wye systems and can be mounted in typical electrical panels with a NEMA 4 enclosure. Its internal circuit breaker simplifies wiring and reduces external components, enabling straightforward field installation and integration with existing distribution infrastructure. This makes it suitable for data centers, manufacturing facilities, and control panels seeking reliable surge protection without complex retrofits.
The device provides a surge current rating of 300 kA per phase, delivering high-energy transient protection for critical loads. This capability helps mitigate going surges from switching events or lightning, preserving sensitive electronics, drives, and control systems, and contributing to higher overall equipment reliability and uptime in demanding industrial environments.
Yes. The unit employs a NEMA 4 enclosure, which offers weather resistance and protection against dust and water ingress suitable for indoor and certain outdoor locations. Combined with UL 1449-listed protection and a robust internal circuit breaker, it provides reliable performance in challenging environments while maintaining safety and ease of maintenance.
The SPM300220Y4R is UL 1449 listed, ensuring compliance with safety standards for surge protective devices. Its NEMA 4-rated enclosure further supports performance in harsh environments. Together, these certifications and ratings help facilities meet reliability and safety requirements in regulated industrial settings.
By protecting critical loads from high-energy transients, the SPM300220Y4R reduces unplanned downtime, extends the life of connected equipment, and lowers maintenance costs. Its internal circuit breaker simplifies installation and service, while UL 1449 listing and a rugged enclosure support compliance and long-term reliability across data centers, processing plants, and distribution panels.