Eaton SPM320240H1U SPD - UL 1449/UL 1283 Certified
Part Number: SPM320240H1U
Quick Summary
Eaton SPM320240H1U SPD protects critical electrical systems from surges in industrial facilities. Unplanned downtime from transient overvoltages hurts productivity and shortens equipment life. It is UL 1449 and UL 1283 certified, RoHS compliant, with CSA listings for safe deployment in harsh environments. Its NEMA 4 enclosure with internal terminal breaker eases installation and supports reliable uptime, reducing maintenance costs. This protection solution also addresses compliance demands while delivering practical value for data centers, manufacturing lines, and equipment-intensive facilities. Engineers gain confidence from built-in surge counter visibility, enabling proactive maintenance planning. Designed for industrial panels and heavy machinery, it scales with your protection strategy.
Product Information
Extended Description
SPM320240H1U Eaton: Surge Protective Device, Max series, Two modules, 320 kA per phase, 240 Delta high leg (4W+G) on B phase, Standard with surge counter, NEMA 4 with internal terminal breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM320240H1U
UPC
786685919171
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 UL 1283 CSA Std. C22.2 No. 8-M1986 CSA Electrical Notice NO. 516 Edition 1
Voltage rating
240 delta (4W+G)
Enclosure
NEMA 4 with internal terminal breaker
Type
Max series
Special features
Standard with surge counter
High surge capability with two modules delivers 320 kA per phase, enabling robust protection for large drives, switchgear, and critical panelboards. The business impact is dramatically reduced risk of equipment damage and shorter unplanned downtime during transient events. In practical terms, this means fewer emergency repairs and steadier production throughput in heavy manufacturing environments. Delta 240 V with a 4W+G high-leg configuration ensures proper protection on delta networks where mis-wiring or undersized protection is a risk. The business impact is improved protection accuracy and safer system operation, which translates to lower fault propagation and longer asset life. It's well suited to existing facilities that run high-leg delta motors and variable frequency drives. NEMA 4 enclosure with an internal terminal breaker makes installation and service straightforward, even in damp or outdoor settings. The business impact is faster commissioning and reduced field wiring errors, which lowers labor costs and project timelines. This design also supports easier retrofits into legacy switchgear and compact panel footprints. Standard with a surge counter provides built-in visibility into transient events, enabling data-driven maintenance planning. The business impact is proactive asset management and the ability to justify protection investments with measurable event history. In practice, teams monitor surge activity to schedule inspections before nuisance trips turn into downtime. RoHS compliant and certifications such as UL 1449, UL 1283, and CSA listings help meet regulatory requirements and streamline supplier audits. The business impact is risk reduction in procurement, easier vendor qualification, and assurance for regulated industries like data centers and manufacturing. It also supports greener compliance and safer end-of-life handling. Warranty considerations add long-term value: 15-year coverage, with 20 years available when registered, delivering a lower total cost of ownership. With a robust enclosure and two-module design, the SPM320240H1U provides reliable uptime and a clear return on investment for capital projects.
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FAQs
The two-module design fits standard panelboards. Follow the Eaton wiring diagram to connect each module to the line and the delta high-leg (4W+G) as specified. The NEMA 4 enclosure with internal terminal breaker simplifies routing and wiring, reducing field errors. Verify grounding and verify the surge counter is enabled for ongoing visibility.
320 kA per phase represents the device’s high-energy surge handling capability, meaning it can safely absorb and divert substantial transient energy without compromising downstream equipment. This translates to better protection for large motors, drives, and switchgear, reducing the likelihood of arc faults and unscheduled downtime during severe transient events.
Yes. The unit uses a NEMA 4 enclosure designed for damp or outdoor conditions, and its RoHS compliance along with UL 1449 and UL 1283 certifications supports operation in demanding facilities. CSA listings further validate suitability for regulated environments such as data centers and manufacturing floors.
UL 1449 and UL 1283 certify transient suppression and electrical compatibility, CSA listings confirm safety across Canadian and US installations, and RoHS ensures restricted hazardous substances. These certifications mitigate procurement risk, simplify audits, and support compliance in regulated industries, reducing project delays.
The SPM320240H1U carries a 15-year warranty from delivery, extended to 20 years when registered on Eaton’s site. This long-term coverage lowers total cost of ownership by reducing replacement costs and maintenance interruptions, especially valuable for mission-critical equipment and long-life protection plans.