Eaton SPD100240S3M Surge Protection Device - UL 1449
Part Number: SPD100240S3M
Quick Summary
SPD100240S3M is a surge protection device used to guard 120/240 V electrical systems in commercial and industrial panels. Unplanned transients can drive downtime and equipment damage, threatening project schedules and uptime. UL 1449 certification, a rugged NEMA 1 enclosure, and a 15-year warranty provide durable protection and long-term cost savings. With external side mounting and a standard feature package that includes a surge counter, this solution scales easily across facilities while maintaining compliance and ease of installation. Its 120/240 V split single-phase design simplifies integration with existing panels and helps engineers meet protection standards without adding complexity.
Product Information
Extended Description
SPD100240S3M Eaton: Surge Protection Device, SPD series, 100 kAIC, 120/240V Split single-phase, Standard feature package and surge counter, NEMA 1 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
SPD100240S3M
UPC
786685331928
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 1
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 - SPD100240S3M
Eaton’s SPD Series (Sidemount Versions) Data Sheet
Feature: 100 kAIC interrupt rating provides robust transient handling. Business Impact: Protects critical loads from high-energy surges, reducing equipment replacement costs and downtime. Application: Industrial control panels and service entrances where large surge events are possible. Feature: 120/240 V split single-phase design offers flexible power protection for common commercial systems. Business Impact: Simplifies integration with existing feeders and minimizes wiring complexity, accelerating project timelines. Application: Distribution panels in manufacturing facilities and commercial buildings. Feature: NEMA 1 indoor enclosure with external side mounting enables safe, code-compliant installation. Business Impact: Facilitates retrofits and upgrades without enclosure modifications, lowering installation risk. Application: Indoor electrical distribution equipment and retrofit projects. Feature: Standard feature package plus a surge counter provides built-in monitoring. Business Impact: Improves maintenance planning and fault-trend analysis, boosting reliability and lowering total cost of ownership. Application: Facility-wide surge protection programs and ongoing compliance. Feature: Wide operating voltages (150 L-N, 150 L-G, 150 N-G, 300 L-L) increase compatibility with varied supply conditions. Business Impact: Reduces the need for multiple devices and simplifies lifecycle management. Application: Multi-load environments with fluctuating voltage profiles. Feature: UL 1449 certification and a 15-year warranty deliver long-term protection. Business Impact: Enhances asset protection budgets and strengthens procurement ROI. Application: Enterprise deployments across facilities seeking durable surge protection with documented standards compliance.
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FAQs
SPD100240S3M supports external side mounting, which simplifies retrofit and service on existing panels. Ensure the enclosure remains NEMA 1-rated and accessible, follow the Eaton installation manual IM01005031E, and maintain recommended clearance for venting and wiring. Use the standard feature package and surge counter to monitor conditions post-install for proactive maintenance.
SPD100240S3M provides a 100 kAIC interrupt rating and operates on 120/240 V split single-phase systems. It protects across L-N, L-G, N-G, and L-L configurations, enabling comprehensive transient protection for typical commercial and light industrial power distributions.
Yes. The device is designed for indoor use in NEMA 1 enclosures with external side mounting. This configuration supports straightforward integration into indoor distribution equipment while maintaining protective performance against surges and transients.
The surge counter tracks transient events, helping facilities identify surge activity patterns, schedule preventive maintenance, and demonstrate protection coverage during audits. This feature reduces guesswork in lifecycle planning and supports smoother compliance reporting for electrical protection programs.
SPD100240S3M carries UL 1449 certification for surge protection performance and comes with a 15-year warranty. These credentials provide assurance of product reliability, long-term asset protection, and a favorable total cost of ownership for facility-scale deployments.