Eaton SPD100240S4M Surge Protection Device - UL 1449
Part Number: SPD100240S4M
Quick Summary
SPD100240S4M surge protection device from Eaton protects electrical panels from transient surges in light industrial and commercial applications. In fast-paced projects, unreliable protection leads to downtime and costly repairs. UL 1449 certification with a NEMA 1 enclosure (internal disconnect) ensures safety and reliability, while the Power Xpert SPD ecosystem streamlines installation. This solution delivers robust overvoltage protection with a compact footprint, helping procurement teams standardize protection across multiple panels and reduce total cost of ownership.
Product Information
Extended Description
SPD100240S4M Eaton: Eaton Surge Protection Device, SPD Series, 100 kA per phase, 120/240 Split Phase, Power Xpert SPD, NEMA 1 with internal disconnect enclosure
Product Name
Eaton SPD series surge protection device
Catalog Number
SPD100240S4M
UPC
786689405106
Product Length/Depth
3.48 in
Product Height
12.05 in
Product Width
7.47 in
Product Weight
6.8 lb
Certifications
UL 1449
Accessories
Power Xpert SPD
Used with
NEMA 1 with internal disconnect enclosure
Voltage rating
120/240V split single-phase
Surge current
100 kA per phase
Feature → Business Impact → Application: The SPD100240S4M delivers 100 kA per phase surge protection for 120/240V split-phase systems, reducing the risk of equipment damage during transient events. This translates to fewer unplanned outages and longer equipment life in light industrial and commercial panels; ideal for Power Xpert SPD integration where scalable protection is needed. Feature → Business Impact → Application: Built-in NEMA 1 enclosure with internal disconnect simplifies installation and future service, minimizing field labor and improving maintenance planning for OEMs and service contractors. Feature → Business Impact → Application: UL 1449 certification provides industry-aligned safety compliance, helping facilities meet electrical codes and procurement requirements while reducing risk. Feature → Business Impact → Application: Compact dimensions (3.48 in depth, 7.47 in width, 12.05 in height) and a 6.8 lb weight enable easier mounting in crowded panels and retrofit projects without compromising protection. Feature → Business Impact → Application: Compatibility with the Power Xpert SPD family offers a unified protection strategy across multiple panels, enabling designers to standardize components and streamline spare part inventories. Feature → Business Impact → Application: Experience-based installation insights show that this model supports rapid deployment in 120/240V split-phase setups, delivering predictable protection for critical loads, long-term reliability, and a lower total cost of ownership for electrical systems.
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FAQs
The SPD100240S4M is designed for 120/240V split-phase electrical panels and is offered in a NEMA 1 enclosure with internal disconnect. It integrates with Eaton's Power Xpert SPD family, supporting straightforward mounting and wiring in light industrial and commercial environments. Ensure mounting clearances match the unit's dimensions (3.48 in depth, 7.47 in width, 12.05 in height) for optimal performance.
SPD100240S4M delivers 100 kA per phase surge current, providing strong protection against transient overvoltages common in load centers and panel boards. This rating helps minimize equipment damage during voltage spikes from switching, lightning, or utility events, reducing downtime and maintenance costs while maintaining continuity of critical loads.
Yes. The device is engineered for 120/240V split-phase services typical of small to medium commercial spaces and light industrial equipment. With UL 1449 certification and a rugged NEMA 1 enclosure, it delivers reliable surge protection in environments where space and serviceability are priorities, helping facilities meet electrical protection standards.
The SPD100240S4M is UL 1449 listed, confirming compliance with recognized safety standards for surge protection devices. It is housed in a NEMA 1 enclosure with an internal disconnect, supporting safe installation and service in indoor, non-hazardous environments. This combination supports regulatory compliance and safer operation across commercial and light industrial settings.
The device reduces downtime by safeguarding critical loads from transient surges, which translates to lower repair costs and extended equipment life. Its compatibility with the Power Xpert SPD line simplifies part sourcing and maintenance planning, enabling standardized protection across multiple panels and improving overall asset uptime and return on investment.