Eaton SPM250480D4R Surge Protection Device - UL 1449
Part Number: SPM250480D4R
Quick Summary
The Eaton SPD MAX series surge protection device SPM250480D4R protects electrical systems by clamping surges in industrial panels. Facility teams struggle with equipment downtime from voltage transients and undersized protection that complicates maintenance and compliance. It is UL 1449 listed and housed in a rugged NEMA 4 enclosure with an internal circuit breaker for added safety and reliability. In addition, the device integrates with Power Xpert SPD ecosystems to streamline installation, monitoring, and service across 480 Delta three‑phase networks. This combination helps engineering teams meet uptime targets, simplify compliance documentation, and reduce total cost of ownership over the system life cycle.
Product Information
Extended Description
SPM250480D4R Eaton: Eaton SPD Max series surge protection device, SPD Max Series, 250 kA per phase, 480 Delta (3W + G), Power Xpert SPD, NEMA 4 with internal circuit breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM250480D4R
UPC
786689408299
Product Length/Depth
9.5 in
Product Height
17.05 in
Product Width
15 in
Product Weight
52 lb
Certifications
UL 1449
Voltage rating
480 Delta (3W+G)
Surge current
250kA per phase
The 250 kA per phase surge rating provides strong protection for sensitive loads against high-energy transients. This capability minimizes nuisance trips, extends the life of downstream electronics, and lowers maintenance costs in critical systems. Application: Designated for 480 Delta (3W + G) networks and compatible with Eaton Power Xpert SPD platforms, it integrates smoothly into existing protection schemes. This reliability is crucial in automation lines where downtime translates to costly losses. The NEMA 4 enclosure with an internal circuit breaker offers rugged, weather‑resistant protection. Business impact: reduces external components, simplifies field wiring, and enables safer, faster installations in harsh environments. Application: ideal for outdoor switchgear rooms, damp locations, and industrial facilities where weatherproof protection matters. It also supports fast field replacement due to modular design. Compact dimensions and a 52 lb weight simplify mounting, cable runs, and retrofits. Business impact: reduces installation time and allows more flexible placement in crowded electrical rooms. Application: with 9.5 in depth, 15 in width, and 17.05 in height, it fits standard rack or panel layouts. The rugged construction supports long service life even in vibration-prone environments. Certification and safety: UL 1449 listing confirms surge protection performance and electrical safety. Business impact: helps meet regulatory requirements and supports documentation for audits. Application: aligns with enterprise safety programs and customer audits across industrial facilities. It also simplifies procurement and planning for large installations. Compatibility and ROI: Power Xpert SPD integration enhances monitoring, alarms, and centralized protection management. Business impact: improves visibility, reduces downtime, and lowers total cost of ownership over asset lifecycles. Application: ideal for maintenance teams seeking scalable protection within Eaton ecosystems.
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FAQs
Installation considerations for SPM250480D4R in 480 Delta (3W+G) panels include verifying enclosure mounting in a NEMA 4-rated space, planning cable routing to accommodate the 9.5 in depth and 15 in width, and coordinating with Power Xpert SPD monitoring where applicable. Ensure internal circuit breaker is set per system protection strategy and follow manufacturer torque and conduit guidelines to minimize EMI and trip risk.
SPM250480D4R delivers 250 kA per phase surge capacity and UL 1449 listed performance, ensuring rapid clamping of transient voltages and safe energy dissipation across 480 Delta systems. These characteristics reduce downstream equipment stress, minimize nuisance tripping of breakers, and improve relay coordination with motor controls and drives. Overall, the protection promotes uptime and asset longevity in rugged industrial environments.
Yes. The unit's NEMA 4 enclosure protects against rain, dust, and corrosion, making it suitable for outdoor installations, damp locations, and harsh factory floors. With internal circuit breaker and UL 1449 listing, maintenance is simplified, and the protection remains reliable under vibration and temperature variations common in industrial sites. Its rugged design supports long service life even in dusty or humid plants.
SPM250480D4R is UL 1449 listed and housed in a NEMA 4 enclosure, confirming compliance with industrial protection and safety standards for surge devices. It supports reliable performance in three-phase delta systems with ground, and its Power Xpert SPD compatibility helps ensure consistent documentation and traceability for audits. These certifications and features simplify procurement, installation planning, and regulatory reporting across manufacturing, data centers, and utility-like facilities.
Investing in the SPM250480D4R reduces downtime and repair costs by limiting damage from lightning, switching surges, and voltage transients that would otherwise affect drives, PLCs, and sensors. Longer asset life translates to lower spare parts, fewer maintenance outages, and easier compliance reporting for audits. Overall ROI comes from uptime gains, energy efficiency through steadier loads, and reduced risk of unexpected shutdowns in production lines.