Eaton SPM250220Y4T SPD MAX surge protection device - UL 1449
Part Number: SPM250220Y4T
Quick Summary
SPD MAX surge protection device from Eaton safeguards electrical systems against transient surges in industrial controls and switchgear. Facilities struggle with unexpected outages and equipment damage caused by lightning and switching transients, which drive costly downtime and repair bills. It carries UL 1449 certification and ships in a rugged NEMA 4 enclosure with an internal terminal block, making it suitable for harsh manufacturing environments. As part of the Power Xpert SPD family, it integrates with existing protection schemes to improve power quality, extend asset life, and simplify compliance across critical automation installations.
Product Information
Extended Description
SPM250220Y4T Eaton: Eaton SPD Max series surge protection device, SPD Max Series, 250 kA per phase, 127/220 Wye (4W + G), Power Xpert SPD, NEMA 4 with internal terminal block
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM250220Y4T
UPC
786689410117
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
250kA per phase
Feature: Surge capacity rated at 250 kA per phase provides robust protection against high-energy transients. This reduces the likelihood of nuisance trips and equipment damage during fault events, limiting unplanned downtime. Application: Use in motor drives, feeders, and main distribution panels in manufacturing lines where reliable power protection is essential. Feature: 127/220 V Wye (4W + G) configuration matches common industrial power distribution. Business impact: simplifies compatibility with existing panels and enables straightforward integration with Power Xpert SPD systems, reducing wiring mistakes and installation time. Application: ideal for machine controls, PLC cabinets, and automation racks across facilities with standard 120/240 V service. Feature: NEMA 4 enclosure with an internal terminal block enhances protection against moisture and dust while enabling neat, secure wiring. Impact: improves safety, reduces maintenance visits, and supports indoor and outdoor locations without enclosure changes. Application: outdoor electrical rooms, damp plant spaces, and rugged factory floors where wiring integrity matters. Feature: UL 1449 certification confirms compliance with recognized surge protection standards. Impact: helps meet corporate risk management requirements and expedites procurement in regulated sectors. Application: electrical protection programs for critical equipment in manufacturing, data processing, and industrial automation. Feature: Physical footprint of 9.5 in depth, 15 in width, 17.05 in height with a 52 lb weight. Impact: provides a durable, vendor-verified form factor that fits into existing spaces without sacrificing protection level. Application: retrofit projects in mid-size facilities and new builds where space planning and protection capacity matter.
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FAQs
Install in standard electrical distribution spaces with access to the internal terminal block. The unit weighs 52 lb, so plan for mechanical support and lifting if needed. Ensure the 127/220 V Wye configuration matches the facility service and that wiring follows applicable codes for four-wire plus ground systems.
The device provides up to 250 kA per phase surge current, delivering high-energy transient handling to protect critical loads such as motor drives, PLCs, and transformers. This reduces the risk of damaging surges, minimizes unplanned downtime, and extends asset life, translating to lower maintenance costs.
Yes. It is designed for industrial controls, motor drives, and power distribution panels, with a rugged NEMA 4 enclosure suitable for indoor and outdoor environments. Its 127/220 V Wye configuration aligns with common facility power, making it a practical fit for data centers and automation facilities requiring reliable surge protection.
The product carries UL 1449 certification for surge protection performance and uses a NEMA 4 enclosure with an internal terminal block for secure wiring. These features support compliance programs in many manufacturing and automation sectors, helping with procurement and risk management.
By reducing outage frequency and protecting critical equipment, the SPD lowers maintenance costs and extends asset life. Its compatibility with Power Xpert SPD systems streamlines integration, shortening project timelines and delivering measurable ROI through improved uptime and predictable protection for essential loads.