Eaton SPM120240S3X Surge Protection Device - UL 1449
Part Number: SPM120240S3X
Quick Summary
Eaton SPM120240S3X surge protection device protects critical electrical systems in industrial and commercial panels. Power surges from storms, switching transients, and grid fluctuations cause downtime and equipment damage. It carries UL 1449 and UL 1283 certifications, plus CSA listings and RoHS compliance for safe, compliant installations. Built for harsh environments, the rugged NEMA 4X enclosure with an internal terminal block simplifies installation and service, while the surge counter provides visibility for ongoing protection and maintenance. This combination supports uptime goals and helps technicians verify continued protection during audits. In practice, it’s a reliable foundation for electrical safety programs and regulatory compliance.
Product Information
Extended Description
SPM120240S3X Eaton: Surge Protective Device, Max series, Single module, 120 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
SPM120240S3X
UPC
786685914688
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 1283 CSA Electrical Notice NO. 516 Edition 1 UL 1449 CSA Std. C22.2 No. 8-M1986
Voltage rating
120/240 V
Enclosure
NEMA 4X with internal terminal block
Type
Max series
Special features
Standard with surge counter
Feature: 120 kA per phase surge rating provides robust protection for PLCs, servo drives, and motor starters. Business impact: This minimizes surge-induced damage and unplanned downtime, lowering spare parts and maintenance costs. Application: Deploy in manufacturing lines and process controls where transient events threaten production uptime. Feature: 120/240 V split-phase compatibility supports common industrial power architectures. Business impact: Simplifies integration, reduces wiring changes, and minimizes spare parts inventory. Application: Ideal for panel boards, machine centers, and distribution panels in warehouses and fabrication shops. Feature: NEMA 4X enclosure with an internal terminal block provides rugged, weather-resistant protection. Business impact: Enables outdoor or washdown installations and faster serviceability. Application: Suitable for outdoor equipment rooms, loading docks, and process environments. Feature: Standard surge counter delivers real-time protection status and event history. Business impact: Improves maintenance planning, compliance reporting, and uptime analytics. Application: Useful for facility dashboards, routine audits, and preventive maintenance programs. Feature: RoHS compliant, UL and CSA certifications, and a 15‑year warranty (20 years with registration). Business impact: Reduces compliance risk and total cost of ownership while guaranteeing long-term protection. Application: Procurement and asset management for critical electrical protection in industrial and commercial settings.
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FAQs
To install the SPM120240S3X, verify panel rating for 120/240 V operation, mount the unit on a suitable chassis, and connect the internal terminal block per the Eaton specification sheet. Ensure proper clearances, follow lockout/tagout procedures, torque connections to manufacturer specs, and confirm field wiring adheres to local electrical codes and the UL 1449/UL 1283 guidelines.
A 120 kA per phase rating indicates the SPD can safely absorb a surge up to 120 kiloamperes per phase without failing. This level of protection is suitable for high-energy transients in industrial settings, helping prevent damage to sensitive loads such as PLCs, drives, and motor starters while reducing unexpected downtime.
Yes. The device uses a NEMA 4X enclosure with an internal terminal block, designed to withstand moisture, dust, and washdown conditions. This makes it a reliable choice for outdoor panels, process areas, or facilities with harsh environments where protection and easy maintenance are essential.
The SPM120240S3X carries UL 1449 and UL 1283 listings, CSA Electrical Notice No. 516 Edition 1, and CSA Std. C22.2 No. 8-M1986, plus RoHS compliance. These certifications confirm electrical safety, performance under surge conditions, and regulatory compliance, reducing risk during audits and helping meet procurement standards for industrial installations.
The unit carries a 15-year warranty from delivery, with a 20-year warranty option when registered on Eaton’s SPD site. This extended coverage lowers long-term ownership costs by transferring protection risk to the manufacturer, while the built-in surge counter aids ongoing maintenance planning and ROI tracking for critical electrical protection.