Eaton SPD100240S2P Surge Protection Device - UL 1449
Part Number: SPD100240S2P
Quick Summary
SPD100240S2P is a surge protection device that shields electrical equipment from transient overvoltages in commercial and industrial power systems. It addresses downtime caused by voltage spikes, nuisance tripping, and equipment damage from lightning or grid transients. It is UL 1449 listed and housed in a rugged NEMA 4X stainless steel enclosure for harsh environments, with external sidemount installation. It operates at 120/240 V with a 100 kAIC protection rating and supports L-N, L-G, N-G, and L-L configurations. The 15-year warranty and standard feature package deliver long-term reliability, while its sidemount design simplifies retrofit and integration with existing panels.
Product Information
Extended Description
SPD100240S2P Eaton: Surge Protection Device, SPD series, 100 kAIC, 120/240V Split single-phase, Standard feature package, NEMA 4X stainless steel 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
SPD100240S2P
UPC
786685339924
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
Voltage rating
120/240 V
Enclosure
NEMA 4X
Mounting Method
External side
Enclosure material
Stainless steel
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 - SPD100240S2P
Eaton’s SPD Series (Sidemount Versions) Data Sheet
Feature → Business Impact → Application: High surge current capability of 100 kAIC provides robust defense against damaging transients, reducing repair costs and unplanned downtime for critical equipment. This is particularly valuable in industrial power distribution, machine lines, and automation panels where spikes from lightning or utility faults can cause costly outages. Application: service entrances and control cabinets in manufacturing facilities. Feature → Business Impact → Application: 120/240 V operation with L-N, L-G, L-L configurations ensures compatibility with split-phase systems, enabling quicker deployment and fewer redesigns. This translates to faster project timelines and lower engineering effort. Application: retrofits in existing plant outlets and new panel installations. Feature → Business Impact → Application: NEMA 4X stainless steel enclosure delivers corrosion resistance and rugged protection in harsh environments, reducing enclosure replacements and downtime. Application: outdoor service entrances, wet or dusty plant floors, and outdoor equipment racks. Feature → Business Impact → Application: External sidemount mounting simplifies installation, minimizes space impact, and enables retrofit without heavy panel disassembly. This lowers installation labor costs and accelerates commissioning. Application: external protection near electrical distribution equipment in tight or constrained spaces. Feature → Business Impact → Application: UL 1449 certification and a 15-year warranty provide procurement confidence, lower lifecycle risk, and predictable maintenance budgeting. Application: industrial facilities prioritizing compliance-driven quotes and long-term total cost of ownership optimization. Feature → Business Impact → Application: Standard feature package reduces onboarding time and ensures immediate protection upon installation. Application: projects with tight schedules or limited commissioning windows.
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FAQs
Install the SPD100240S2P using the external sidemount provisions on a suitable panel or enclosure. Verify clearance and follow the wiring schema for L-N, L-G, N-G and L-L connections. Use correct conductor sizing and tightening torques per the installation manual. Ensure the enclosure maintains its NEMA 4X integrity after mounting and that all connections are securely terminated before energizing.
SPD100240S2P supports 100 kAIC as the surge interrupt rating and operates on 120/240 V split-phase systems. It provides L-N, L-G, N-G, and L-L protection, making it suitable for a broad range of industrial and commercial power distribution configurations. These specs help ensure protection for motors, drives, controllers, and other sensitive equipment.
Yes. The SPD100240S2P uses a stainless steel NEMA 4X enclosure designed for harsh and outdoor environments. External sidemount installation further supports mounting outside main electrical distribution equipment, reducing indoor footprint and enabling protected deployment in challenging environments while maintaining accessibility for inspection and replacement.
SPD100240S2P is UL 1449 listed, confirming it meets established surge protection standards. The NEMA 4X enclosure provides environmental protection for challenging installations. These certifications support compliance-driven procurement and can simplify validation during audits, inspections, and supplier qualification, while also giving buyers confidence in performance and reliability.
The SPD100240S2P carries a 15-year warranty, which significantly lowers lifecycle risk and expected replacement costs. With a standard feature package and UL-listed protection, ongoing maintenance is minimal—primarily periodic visual inspections and ensuring mounting integrity. This translates to a lower total cost of ownership compared with non-listed or non-protected solutions.