Eaton SPD100240S3L Surge Protection Device - UL 1449
Part Number: SPD100240S3L
Quick Summary
Eaton SPD100240S3L surge protection device protects electrical systems from transient surges in commercial and industrial power distribution. In fast-changing facilities, voltage spikes can cause downtime, equipment wear, and unexpected trips, driving maintenance costs and reliability risk. The design is UL 1449 certified and housed in a rugged NEMA 1 enclosure with external side mounting, built for indoor applications. With a 100 kAIC interrupt rating and a 15-year warranty, this SPD supports reliable protection for 120/240 V split-phase systems while providing a surge counter for compliance and diagnostics. For engineers and procurement teams, the SPD100240S3L offers straightforward installation, robust compatibility with standard distribution gear, and a clear path to reducing downtime and maintenance costs.
Product Information
Extended Description
SPD100240S3L Eaton: Surge Protection Device, SPD series, 100 kAIC, 120/240V Split single-phase, Standard feature package and surge counter, NEMA 1 flush 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
SPD100240S3L
UPC
786685330129
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 - SPD100240S3L
Eaton’s SPD Series (Sidemount Versions) Data Sheet
Feature: 100 kAIC interrupt rating → Business Impact: High-energy surge events are contained, reducing the likelihood of equipment damage and unplanned downtime → Application: Critical loads in panels and switchgear experience improved resilience in data centers and manufacturing lines. The result is lower maintenance costs and greater system uptime. Feature: External side mounting on a NEMA 1 enclosure → Business Impact: Simplified installation and easier retrofits in existing electrical distribution setups → Application: Wall-mounted installations in indoor electrical rooms, service entrances, and retrofit projects where retrofit space is constrained. Feature: 120/240 V split-phase compatibility → Business Impact: Seamless integration with common building power architectures minimizes wiring changes and project risk → Application: Commercial and light industrial installations using standard residential/industrial power schemes. Feature: Standard feature package with surge counter → Business Impact: Immediate visibility of surge events supports maintenance planning, regulatory records, and energy-management initiatives → Application: Compliance reporting for facility managers and reliability teams. Feature: 15-year warranty and UL 1449 certification → Business Impact: Long-term ownership cost reduction and trusted performance guarantees → Application: Procurement specifications and long-term asset protection across multiple sites. Feature: 150 L-N, 150 L-G, 150 N-G, 300 L-L operating voltage → Business Impact: Wide operating envelope supports diverse panel configurations without reconfiguration → Application: Nationwide deployments with varied distribution equipment.
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FAQs
The SPD100240S3L uses an external side mounting method and is housed in a NEMA 1 indoor enclosure. It is designed for indoor electrical rooms and distribution panels where easy retrofits and service access are advantageous. This setup simplifies installation and reduces panel modification requirements while keeping the device accessible for maintenance.
The SPD100240S3L provides a 100 kAIC interrupt rating and supports 120/240 V split-phase systems. It features operating voltage options of 150 L-N, 150 L-G, 150 N-G, and 300 L-L, making it suitable for typical commercial and light industrial power distributions.
No. The unit is designed for indoor use with a NEMA 1 enclosure and external sidemount mounting. For outdoor or harsh environments, consider enclosures rated for IP or NEMA outdoor protection and verify compatibility with Eaton’s installation guidelines.
The product is UL 1449 certified, which confirms compliance with established surge protection safety standards. This certification provides confidence in reliability and safety for protecting downstream equipment, critical in regulated industrial and commercial settings.
The SPD100240S3L comes with a 15-year warranty and includes a surge counter as part of the standard feature package. This reduces long-term maintenance costs and provides traceable surge-event data for reliability programs, supporting a lower total cost of ownership and faster ROI through minimized unplanned downtime.