Eaton SPM320240S3W Surge Protection Device - RoHS Compliant
Part Number: SPM320240S3W
Quick Summary
The Eaton SPM320240S3W surge protection device protects electrical systems from transient surges in industrial control panels. Long-term downtime from power spikes can erode equipment life and inflate maintenance costs. This unit carries CSA and UL certifications and RoHS compliance, delivering reliable protection in demanding environments. Equipped for 120/240 V split-phase systems with a robust NEMA 4X enclosure, it supports growing automation needs. For contractors and dispatchers, the surge counter and 15-year warranty translate to measurable ROI. Engineers can spec this module for retrofit projects, ensuring compatibility with existing Eaton protection schemes and easy field replacement. The device's two-module design simplifies installation in compact panels and minimizes wiring complexity.
Product Information
Extended Description
SPM320240S3W Eaton: Surge Protective Device, Max series, Two modules, 320 kA per phase, 120/240 split phase, Standard with surge counter, NEMA 4X with internal circuit breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM320240S3W
UPC
786685919461
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
CSA Electrical Notice NO. 516 Edition 1 CSA Std. C22.2 No. 8-M1986 UL 1283 UL 1449
Voltage rating
120/240 V
Enclosure
NEMA 4X with internal circuit breaker
Type
Max series
Special features
Standard with surge counter
Feature → Business Impact → Application: Two-module SPD MAX series delivers high current handling with built-in redundancy, reducing the likelihood of a complete panel shutdown during transient events. This configuration achieves a 320 kA per phase rating, meaning it can absorb major surges without compromising downstream components, which translates to lower downtime and extended equipment life in manufacturing lines and process facilities. Application: ideal for industrial control panels, machine centers, and automated lines where reliability matters. Feature → Business Impact → Application: 120/240 V split-phase compatibility enables broad deployment across common distribution schemes, supporting motor drives, PLCs, and power supplies without requiring rewiring. Application: retrofit projects and new builds in mixed-voltage environments benefit from seamless integration and quick protection deployment. Feature → Business Impact → Application: NEMA 4X enclosure with internal circuit breaker provides rugged outdoor or harsh indoor installation with built-in fault isolation, reducing maintenance visits and enabling safer service. Application: outdoor equipment housings, wash-down areas, and exposure-prone plant floors. Feature → Business Impact → Application: standard with surge counter offers real-time diagnostics and historical data, improving maintenance planning and compliance reporting. Application: audits, asset management, and service contracts benefit from verifiable surge activity. Feature → Business Impact → Application: RoHS compliant and multi-standards certified (CSA UL) ensures regulatory alignment and risk reduction, simplifying procurement and supplier qualification. Application: regulated environments and customers with vendor qualification programs benefit from pre-approved certification coverage. Feature → Business Impact → Application: 15-year warranty (20 years with registration) lowers total cost of ownership and supports long-term budgeting. Application: capital projects and risk-managed facilities planning benefit from predictable protection lifecycle.
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FAQs
Install the two-module SPD MAX unit in the main or feeder panel per product documentation, ensuring connection to 120/240 V split-phase circuits. Use proper grounding and bonding practices, follow UL/CSA guidelines, and place the unit within the NEMA 4X enclosure. The built-in surge counter helps monitor performance and plan maintenance without extra wiring. Confirm compatibility with existing Eaton protection schemes for seamless integration.
The SPM320240S3W provides a 320 kA per phase surge rating on a 120/240 V split-phase system. It is a two-module configuration designed for robust transient protection and includes a NEMA 4X enclosure with an internal circuit breaker. It is RoHS compliant and carries CSA and UL certifications, ensuring safe operation across industrial environments.
Yes. The unit is explicitly designed for 120/240 V split-phase installations and features a NEMA 4X enclosure with an internal circuit breaker, making it appropriate for both indoor and outdoor industrial panels, including machine control panels and process equipment housings. Its two-module design supports scalable protection in expanding facilities.
The device is RoHS compliant and carries CSA Electrical Notice No. 516 Edition 1, CSA Std. C22.2 No. 8-M1986, UL 1283, and UL 1449 certifications. These certifications support regulatory compliance, safety assurance, and reliability in critical electrical protection applications.
A built-in surge counter provides visibility into surge events and helps justify preventive maintenance and asset protection. The 15-year warranty (20 years with registration) lowers lifecycle risk and maintenance budget impact, while the rugged NEMA 4X enclosure reduces service visits in harsh environments. Together, these features support predictable uptime and reduced total cost of ownership.