Eaton SPD100240S3N Surge Protection Device - UL 1449
Part Number: SPD100240S3N
Quick Summary
SPD100240S3N surge protection device protects critical equipment in electrical distribution panels, machines, and process lines. In the field, power surges cause costly downtime and equipment stress, so robust transient protection is essential. UL 1449 certified and housed in a rugged NEMA 4X enclosure, it is designed for harsh environments and external sidemount installation. With 120/240 V split-phase compatibility and a 15-year warranty, it delivers dependable protection with a favorable total cost of ownership. The standard feature package and surge counter aid maintenance teams by enabling traceability and proactive protection in modern automation projects. This combination supports regulatory compliance and asset protection across critical facilities.
Product Information
Extended Description
SPD100240S3N Eaton: Surge Protection Device, SPD series, 100 kAIC, 120/240V Split single-phase, Standard feature package and surge counter, NEMA 4 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
SPD100240S3N
UPC
786685334622
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 - SPD100240S3N
Eaton’s SPD Series (Sidemount Versions) Data Sheet
Paragraph 1: Feature: High-energy surge capability with a 100 kAIC interrupt rating and 120/240 V split-phase compatibility. Business impact: Downstream equipment such as drives, PLCs, and relays are protected from damaging transient events, reducing unplanned outages and component wear. Application: Ideal for electrical protection of panels and control cabinets in industrial automation environments where fast transient suppression translates into higher equipment availability. Paragraph 2: Feature: Rugged NEMA 4X enclosure with external sidemount mounting. Business impact: Provides weatherproof, corrosion-resistant protection suitable for outdoor and harsh indoor environments, while simplifying retrofit into existing equipment footprints. Application: External mounting configurations for process plants and outdoor switchgear where space and protection are critical. Paragraph 3: Feature: Standard feature package plus an integrated surge counter. Business impact: Facilitates maintenance planning, traceability, and regulatory audits by documenting surge events and device health. Application: Facility-wide surge protection programs and periodic inspections in data centers, manufacturing lines, and utility rooms. Paragraph 4: Feature: Broad voltage handling with operating voltages of 150 L-N, 150 L-G, 150 N-G, and 300 L-L. Business impact: Supports diverse load configurations and multi-line protection without multiple devices, reducing inventory and installation complexity. Application: 120/240 V distribution networks feeding motors, lighting, and control circuits across industrial floors. Paragraph 5: Feature: UL 1449 listed with a 15-year warranty. Business impact: Ensures compliance with safety standards and reduces lifecycle risk, delivering a lower total cost of ownership. Application: Long-term protection programs for critical equipment assets and capital projects in manufacturing and infrastructure environments. Paragraph 6: Feature: External side-mount compatibility with standard installation practices and reference materials. Business impact: Streamlines retrofits and serviceability by aligning with Eaton’s installation manuals and accessories, minimizing downtime. Application: Field upgrades, panel expansions, and new installations in retrofit projects and new-build automation facilities.
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FAQs
Install SPD100240S3N using its external sidemount configuration and follow Eaton's IM01005031E installation manual. Ensure proper clearances, grounding, and compliance with 120/240 V system requirements. Mount the unit on the exterior side of distribution equipment, connect line and load conductors to the corresponding terminals, and verify voltage compatibility before commissioning.
The SPD100240S3N offers a 100 kAIC interrupt rating and supports 120/240 V split-phase operation. It protects lines L-N, L-G, N-G, and L-L, and includes a standard feature package plus a surge counter to monitor transient events, with performance documented in Eaton's specifications.
Yes. SPD100240S3N uses a rugged NEMA 4X enclosure suitable for outdoor and damp indoor environments. Its external sidemount design supports retrofit installations, enabling protection for outdoor panels, process areas, and harsh industrial spaces without compromising accessibility or protection level.
SPD100240S3N is UL 1449 listed and carries a 15-year warranty. These certifications and the long warranty provide safety assurance, regulatory alignment, and reduced lifecycle risk for capital equipment protection across manufacturing and infrastructure projects.
By limiting surge energy and enabling monitoring via the surge counter, the SPD reduces unplanned downtime, extends the life of downstream devices, and simplifies compliance reporting. Its 120/240 V compatibility and external sidemount installation also streamline retrofits and new installations, delivering a favorable return on investment for electrical protection programs.