Eaton SPD MAX SPM250240S4T Surge Protection - UL 1449
Part Number: SPM250240S4T
Quick Summary
The Eaton SPD MAX SPM250240S4T surge protection device protects critical electrical systems from transient overvoltages in industrial power networks. Engineers often wrestle with unexpected outages and equipment wear caused by surge events, undersized protection, or difficult installation. UL 1449 listing, along with rugged NEMA 4 enclosure protection, reinforces safety and reliability in harsh environments. From money saved on downtime to improved power quality in control panels, this device supports modern reliability goals while fitting typical 120/240V split-phase systems.
Product Information
Extended Description
SPM250240S4T Eaton: Eaton SPD Max series surge protection device, SPD Max Series, 250 kA per phase, 120/240 Split Phase, Power Xpert SPD, NEMA 4 with internal terminal block
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM250240S4T
UPC
786689408268
Product Length/Depth
9.5 in
Product Height
17.05 in
Product Width
15 in
Product Weight
52 lb
Certifications
UL 1449
Voltage rating
120/240V split single-phase
Surge current
250kA per phase
High surge capability translates to real protection for sensitive equipment in demanding applications; with 250 kA per phase, the device minimizes the risk of transient damage, reducing downtime and extending asset life in data centers, machine parks, and critical load panels. The 120/240V split-phase compatibility simplifies installation in North American distributions, enabling faster retrofits and improved uptime across mixed legacy and modern equipment. A rugged NEMA 4 enclosure with an internal terminal block provides robust protection against dust, water, and accessible wiring, while easing wiring accuracy and field maintenance. Compatibility with Power Xpert SPD ecosystem enables centralized monitoring and streamlined protection management, helping procurement adopt a scalable protection strategy without overhauling existing infrastructure. The compact footprint (9.5 in L x 15 in W x 17.05 in H) and 52 lb weight balance performance with installability, ensuring reliable protection without excessive space or handling challenges.
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FAQs
Begin by verifying panel suitability for a surge protection device. Mount the unit in a location with adequate clearance, use the internal terminal block for wiring, and connect line and neutral per the Eaton wiring diagram. Ensure proper grounding, secure mounting, and verify clear labeling. Follow all applicable electrical codes and UL 1449 guidelines during installation.
Key specs include 120/240V split-phase operation, a surge current rating of 250 kA per phase, catalog number SPM250240S4T, UL 1449 listing, and a rugged NEMA 4 enclosure. Physical dimensions are 9.5 inches (L) x 15 inches (W) x 17.05 inches (H), with an approximate weight of 52 pounds.
Yes. The unit uses a NEMA 4 enclosure, designed to protect against dust, water, and other environmental elements when installed in outdoor or damp indoor locations. The internal terminal block simplifies wiring in exposed areas, while the UL 1449 listing confirms performance under standard surge conditions.
UL 1449 certification indicates the device meets recognized safety and performance standards for surge protective devices. It helps ensure reliable protection against transient overvoltages, aligns with industry compliance expectations, and reduces regulatory risk for installations in commercial and industrial facilities.
The device reduces downtime and extends equipment life by limiting surge damage, which lowers maintenance costs and unplanned outages. Its compatibility with Power Xpert SPD ecosystems supports centralized monitoring, enabling proactive protection management and a faster path to a scalable protection strategy across multiple panels and facilities.