Eaton SPM400220Y3U Surge Protection Device - UL 1449

Two-module design delivers 400 kA per phase surge capability, enabling fast dissipation of high-energy transients. This capability protects downstream equipment and minimizes unscheduled downtime in demanding environments. It's well suited for motor drives, PLCs, and critical panels along manufacturing lines where lightning strikes and switching events threaten uptime. The unit's NEMA 4 enclosure with an internal terminal breaker simplifies field wiring and supports reliable installation in damp or dusty spaces. This design reduces installation time and enhances safety by keeping fault pathways contained. For outdoor switchgear or washdown areas, the enclosure maintains protection without compromising accessibility for servicing. Standard with a surge counter provides real-time visibility into surge activity, enabling proactive maintenance and easier compliance reporting. The counter data helps verify continued protection during audits and supports lifecycle planning for replacement modules. Its 127/220 V Wye rating makes it compatible with common three-phase systems with a neutral, ensuring straightforward integration with existing panels and control circuits. The two-module arrangement also supports modular scalability as power quality needs evolve, with installation benefits including simplified grounding and minimal footprint mounting in standard switchgear enclosures. RoHS compliant and backed by UL 1449, UL 1283 and CSA certifications, the SPM400220Y3U meets stringent safety and environmental standards, reducing compliance risk for controlled environments. Tapping into the Eaton Max series ecosystem ensures compatibility with other protective devices for a cohesive power protection strategy.