Eaton SPM100240S3X Surge Protection Device - UL 1449
Part Number: SPM100240S3X
Quick Summary
The Eaton SPM100240S3X surge protection device guards critical equipment in 120/240 V power distribution panels. Engineers often face downtime from transient surges, and reliable protection helps minimize outages and component wear. It carries UL 1449 listing, CSA Std. C22.2 No. 8-M1986, and UL 1283, with a rugged NEMA 4X enclosure for harsh environments. This model complements existing protection schemes while simplifying procurement and maintenance. The 100 kA per phase capability and built‑in surge counter deliver measurable value for data integrity, PLC reliability, and overall system uptime—supporting safer, compliant, and more efficient industrial operations.
Product Information
Extended Description
SPM100240S3X Eaton: Surge Protective Device, Max series, Single module, 100 kA per phase, 120/240 split phase, Standard with surge counter, NEMA 4X with internal terminal block
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM100240S3X
UPC
786685913889
Product Length/Depth
9.3 in
Product Height
17.5 in
Product Width
14.91 in
Product Weight
50 lb
Warranty
15 years from the date of delivery (20 years when registered on www.eaton.com/spd)
Compliances
RoHS Compliant
Certifications
UL 1449 CSA Std. C22.2 No. 8-M1986 CSA Electrical Notice NO. 516 Edition 1 UL 1283
Voltage rating
120/240 V
Enclosure
NEMA 4X with internal terminal block
Type
Max series
Special features
Standard with surge counter
Feature → Business Impact → Application: The SPM100240S3X delivers 100 kA per phase surge protection, which minimizes transient-induced outages and extends the life of sensitive electrical and control equipment, reducing downtime in automated lines and data-heavy systems. This protection translates to improved uptime for PLCs, drives, and HMIs across manufacturing cells and data centers that rely on stable 120/240 V power, including motor control centers and distributed automation panels. Feature → Business Impact → Application: The 120/240 V split-phase rating ensures compatibility with common industrial power distribution, reducing wiring complexity and enabling seamless integration into existing panel architectures. This simplifies installation in new builds and retrofits for OEM machinery, MCCs, and panelboards. Feature → Business Impact → Application: NEMA 4X enclosure with internal terminal block provides rugged, weather-resistant protection and straightforward wiring, enabling indoor/outdoor applications and minimizing field wiring errors during installation and maintenance. Feature → Business Impact → Application: Standard surge counter enables real-time monitoring of surge events, supporting predictive maintenance programs and data-driven asset management for critical processes. Feature → Business Impact → Application: Long-term value is reinforced by a 15-year warranty (20 years with registration) and RoHS compliance, reducing lifecycle cost and ensuring regulatory alignment for procurement teams and end users in regulated industries.
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FAQs
For best results, mount the unit in a clean, accessible location within a compatible panel and use the internal terminal block to minimize wiring length. The NEMA 4X enclosure protects against dust and moisture, making it suitable for both indoor and exposed environments. Confirm clearances per manufacturer guidelines and ensure the surge counter is monitored through available diagnostics.
A 100 kA per phase rating provides robust transient protection for motors, drives, PLCs, and control gear against high-energy surges. This level of protection reduces the likelihood of downstream equipment faults and extends service life, which is critical for high-demand processes and mission-critical automation.
Yes. The device is UL 1449 listed and carries CSA Std. C22.2 No. 8-M1986 and UL 1283 certifications, confirming electrical safety and performance. It also complies with RoHS, supporting sustainable procurement and restricted substance regulations.
The built-in surge counter logs transient events, enabling operators to quantify surge activity over time. This data supports predictive maintenance, justifies replacement scheduling, and helps optimize protection strategies for critical panels and automation equipment.
The product includes a 15-year warranty from the date of delivery, with an extended 20-year option when registered on Eaton’s SPD website. This long warranty reduces total cost of ownership and provides assurance for long-term reliability and supplier support in industrial environments.