Eaton SPD100240S3O Surge Protection Device - UL 1449
Part Number: SPD100240S3O
Quick Summary
SPD100240S3O surge protection device provides reliable transient suppression for 120/240 V split-phase systems in electrical panels and distribution gear. Engineers often struggle with nuisance trips and equipment damage from external surges, making reliable protection a top priority. It is UL 1449 listed and housed in a rugged NEMA 4X enclosure with external side mounting, delivering durable performance in harsh environments. For procurement teams, the 15-year warranty and built-in surge counter support maintenance planning, inventory control, and measurable return on investment across critical panels.
Product Information
Extended Description
SPD100240S3O Eaton: Surge Protection Device, SPD series, 100 kAIC, 120/240V Split single-phase, Standard feature package and surge counter, NEMA 4 with internal disconnect enclosure, External side mount, 150 L-N, 150 L-G, 150 N-G, 300 L-L operating voltage
Product Name
Eaton SPD series surge protection device
Catalog Number
SPD100240S3O
UPC
786685337326
Product Length/Depth
9.5 in
Product Height
3.45 in
Product Width
5.4 in
Product Weight
3.5 lb
Warranty
15 year
Certifications
UL 1449
Type
Surge protection device
Accessories
Standard feature package and surge counter
Voltage rating
120/240 V
Enclosure
NEMA 4X
Mounting Method
External side
Interrupt rating
100 kAIC
Operating voltage
150 L-N, 150 L-G, 150 N-G, 300 L-L
Series
SPD
Eaton’s SPD Series (Sidemount Versions) Brochure
Eaton SPD Series - For Mounting External To Electrical Distribution Equipment Installation Manual
Eaton Specification Sheet - SPD100240S3O
Eaton’s SPD Series (Sidemount Versions) Data Sheet
The SPD100240S3O is rated for a 100 kAIC interrupt capability, delivering robust protection against high-energy transients that can damage drives, controllers, and relays in commercial and industrial feeders. This translates to fewer unexpected outages and lower repair costs, especially in modernized distribution panels that rely on reliability and uptime. The device supports 120/240 V split-phase systems, ensuring seamless compatibility with common electrical architectures found in manufacturing plants and data centers, reducing stocking complexity and installation risk. Housed in a NEMA 4X enclosure with external side mounting, it is suitable for outdoor and damp locations, enabling quick retrofits without costly enclosure alterations. A standard feature package with a surge counter provides immediate visibility into surge events, supporting compliance audits and preventive maintenance planning. The 15-year warranty further lowers lifecycle costs, delivering long-term value for procurement and facilities teams.
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FAQs
SPD100240S3O is designed for external side mounting on distribution equipment. Follow Eaton's installation manual IM01005031E, ensure the enclosure is NEMA 4X rated, and connect to L-N, L-G, N-G, and L-L per the datasheet. Verify the surge counter post-installation to confirm operation and maintain proper documentation for audits.
Yes. The device is specified for 120/240 V split-phase power, offering 150 L-N, 150 L-G, 150 N-G, and 300 L-L operating points to accommodate typical distribution panels, motors, and control gear in both industrial and commercial settings.
SPD100240S3O provides a 100 kAIC interrupt rating, with voltage rating of 120/240 V. It supports operating voltages 150 L-N, 150 L-G, 150 N-G, and 300 L-L, making it suitable for protecting a broad range of single-phase loads in mixed-use facilities.
The device is UL 1449 listed for surge protection and is housed in a rugged NEMA 4X enclosure, with external side mounting. These features support regulatory compliance and resilience in outdoor and harsh indoor environments.
The 15-year warranty, built-in surge counter, and robust 100 kAIC protection contribute to lower total cost of ownership by reducing unplanned downtime, extending the life of downstream equipment, and simplifying maintenance planning and asset traceability.