Eaton SPM250480Y4R Surge Protection Device - UL 1449
Part Number: SPM250480Y4R
Quick Summary
The Eaton SPM250480Y4R surge protection device protects critical electrical systems against damaging transients in 277/480 V applications. Engineers often confront nuisance surges and unpredictable events that threaten uptime and equipment life. UL 1449 certification and a NEMA 4 enclosure ensure reliable performance in demanding environments, while the internal circuit breaker simplifies installation and maintenance. This SPD MAX series unit integrates with Power Xpert SPD protection to streamline coordination across protection schemes, delivering predictable fault currents and extended service intervals for data centers, manufacturing lines, and automation panels. By choosing this SPD, you reduce downtime and improve whole-site reliability while meeting safety and compliance goals.
Product Information
Extended Description
SPM250480Y4R Eaton: Eaton SPD Max series surge protection device, SPD Max Series, 250 kA per phase, 277/480 Wye (4W + G), Power Xpert SPD, NEMA 4 with internal circuit breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM250480Y4R
UPC
786689408312
Product Length/Depth
9.5 in
Product Height
17.05 in
Product Width
15 in
Product Weight
52 lb
Certifications
UL 1449
Voltage rating
277/480 Wye (4W+G)
Surge current
250kA per phase
Feature: 250 kA per phase surge rating. Business Impact: delivers robust transient suppression that minimizes equipment damage and unplanned downtime. Application: ideal for critical loads in data centers, manufacturing lines, and motor control centers. Feature: 277/480 V Wye (4W+G) configuration. Business Impact: aligns with common industrial power distribution, reducing wiring complexity and risk. Application: protects panelboards and MCCs in industrial facilities. Feature: NEMA 4 enclosure with internal circuit breaker. Business Impact: provides weather and dust resistance plus simplified maintenance, lowering service time. Application: outdoor installations or challenging environments near plant floors and outdoor equipment rooms. Feature: UL 1449 certification. Business Impact: confirms performance and safety compliance, easing procurement audits and insurance requirements. Application: industrial automation panels, data centers, and control cabinets that require certified protection. Feature: Power Xpert SPD compatibility. Business Impact: enables coordinated protection with Eaton monitoring and protection strategies, improving protection scheme visibility. Application: integration with Power Xpert systems and Eaton protection networks. Feature: Compact footprint and weight. Business Impact: fits standard enclosures and racks, simplifies retrofit projects and onboarding. Application: retrofit upgrades in facilities with space constraints or modular protection needs.
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FAQs
The SPM250480Y4R is designed for integration into standard panelboards and MCC sections supporting 277/480 V. Verify mounting clearance, allow space for the 9.5 in depth and 15 in width, and plan for the 17.05 in height. Ensure proper wiring access and adherence to NEC guidelines, with consideration for the internal circuit breaker during wiring and testing.
A 250 kA per phase rating provides robust transient suppression for high-energy surge events, reducing the risk of downstream equipment damage and unplanned downtime. This rating is particularly beneficial for data centers, manufacturing lines, and automation panels where reliable uptime and equipment protection are critical.
Yes. The unit is configured for 277/480 V Wye supplies (4W+G) and is designed to integrate with Eaton’s Power Xpert SPD protection ecosystem. This enables coordinated surge protection across devices, enabling improved visibility, faster response to events, and streamlined protection management.
This model carries UL 1449 certification for surge protection performance and safety. It comes in a NEMA 4 enclosure, offering weather and dust resistance suitable for outdoor or harsh indoor environments, plus an internal circuit breaker for easier maintenance and faster commissioning.
Maintenance is simplified by the internal circuit breaker and straightforward wiring, reducing service time during inspections. ROI is driven by reduced downtime, longer equipment life due to superior transient suppression, and easier audits due to UL 1449 certification and a robust NEMA 4 enclosure that supports reliable operation in tough conditions.