Eaton SPM120480Y4T SPD Max - UL 1449 Surge Protector
Part Number: SPM120480Y4T
Quick Summary
Designed for industrial electrical protection, the Eaton SPM120480Y4T SPD Max surge protector delivers robust transient suppression for 277/480V systems in manufacturing facilities. It helps prevent costly downtime and equipment damage from line surges and switching transients, a common challenge on busy shop floors. UL 1449 listing and NEMA 4 enclosure provide safety and ruggedness, while the internal terminal block simplifies wiring and maintenance. The device integrates with Power Xpert SPD solutions, delivering dependable protection, scalable configuration, and a clear path to compliant, reliable electrical protection across your facility. In projects requiring durable protection with manageable footprint, SPM120480Y4T offers a practical, cost-conscious path. Business outcomes include reduced spare parts, fewer interruptions, and predictable service life for critical loads.
Product Information
Extended Description
SPM120480Y4T Eaton: Eaton SPD Max series surge protection device, SPD Max Series, 120 kA per phase, 277/480 Wye (4W + G), Power Xpert SPD, NEMA 4 with internal terminal block
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM120480Y4T
UPC
786689409869
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
120kA per phase
Feature 1: 120 kA per phase surge current provides robust transient protection for high-energy events. Business Impact: reduces the risk of damage to critical loads and downstream equipment, leading to lower maintenance costs and less downtime. Application: protecting 277/480V power distribution in data centers and manufacturing lines. Feature 2: 277/480 V Wye (4W+G) configuration supports common industrial power systems with a straightforward upgrade path from legacy protection. Business Impact: minimizes rewire and compatibility issues during upgrades, speeding project timelines. Application: new installations and retrofits across industrial facilities. Feature 3: NEMA 4 enclosure with internal terminal block offers weather resistance and simplified wiring. Business Impact: enables safer outdoor or harsh-environment installation and faster commissioning, reducing labor costs. Application: outdoor panels and damp electrical rooms. Feature 4: UL 1449 listing confirms safety and performance compliance for surge protective devices. Business Impact: lowers regulatory risk, supports enterprise compliance programs, and improves supplier qualification. Application: facility-wide electrical protection programs and safety audits. Feature 5: Dimensions and weight (15 in W x 17.05 in H x 9.5 in D; 52 lb) indicate a robust, space-conscious unit suitable for mid-to-large switchgear. Business Impact: predictable space planning and stable vibration resistance, reducing mounting challenges. Application: equipment rooms and main distribution panels. Feature 6: Compatibility with Power Xpert SPD family enables scalable protection architecture. Business Impact: future-proofs investments and simplifies asset management. Application: modular surge protection schemes across multiple feeders and critical loads.
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FAQs
The SPM120480Y4T provides 120 kA per phase surge current, designed for 277/480V Wye systems (4W+G) and UL 1449-listed performance. This level of protection helps mitigate damaging transients and extending the life of connected equipment.
Yes. The device is specified for 277/480V Wye (4W+G) configurations, making it well-suited for data centers, manufacturing lines, and other facilities that operate on high-voltage three-phase power.
Installation benefits include an internal terminal block that simplifies wiring and a rugged NEMA 4 enclosure for durable mounting. Plan for a 15 in width, 17.05 in height, and 9.5 in depth footprint and account for the 52 lb weight when selecting mounting hardware and clearances.
The SPM120480Y4T is UL 1449 listed for surge protection devices and is housed in a NEMA 4 rated enclosure, enabling reliable operation in harsh environments and outdoor or damp indoor installations.
The unit measures 15 inches wide by 17.05 inches high by 9.5 inches deep and weighs 52 pounds, providing a sturdy protection module with a compact footprint suitable for distribution panels and protected rack spaces.