Eaton SPM120240H3T SPD MAX series - 120 kA per phase
Part Number: SPM120240H3T
Quick Summary
The Eaton SPD MAX series surge protection device protects electrical systems from transient surges in industrial facilities. Power interruptions and equipment damage from transients are costly and disrupt production. It carries CSA and UL approvals (UL 1449 and UL 1283) with RoHS compliance, meeting stringent electrical safety standards. Designed for robust, weatherproof installation, it helps facilities minimize downtime while extending asset life. Ideal for commercial and industrial panels requiring a NEMA 4 enclosure and 120 kA per phase protection, it delivers reliable, code-compliant surge defense with a built-in surge counter for monitoring. The data-ready unit supports remote diagnostics through its surge counter.
Product Information
Extended Description
SPM120240H3T Eaton: Surge Protective Device, Max series, Single module, 120 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
SPM120240H3T
UPC
786685914787
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 Std. C22.2 No. 8-M1986 UL 1449 CSA Electrical Notice NO. 516 Edition 1 UL 1283
Voltage rating
240 delta (4W+G)
Enclosure
NEMA 4 with internal terminal breaker
Type
Max series
Special features
Standard with surge counter
Feature: 120 kA per phase protection → Business Impact: Maximizes transient defense, reducing equipment damage and unplanned downtime; Application: ideal for large feeders and motor drives in manufacturing lines. Feature: 240 delta high-leg (4W+G) on B phase → Business Impact: Accurate wiring for high-leg delta configurations minimizes mis-wiring risk and protects 240 V delta systems; Application: retrofit and new builds with 4W+G networks. Feature: NEMA 4 enclosure with internal terminal breaker → Business Impact: Weatherproof, safe servicing in harsh environments lowers maintenance costs; Application: outdoor panels, wash-down areas, and tough industrial spaces. Feature: Standard with surge counter → Business Impact: Continuous visibility supports proactive maintenance and compliance reporting; Application: facilities with monitoring and audits. Feature: RoHS compliant with UL/CSA certifications → Business Impact: Streamlined regulatory compliance and faster procurement; Application: regulated industries needing certified protection devices. Feature: Long warranty (15 years, 20 with registration) → Business Impact: Lower total cost of ownership and predictable asset protection; Application: capital projects and facilities with long replacement cycles.
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FAQs
Install the SPM120240H3T in an appropriate panel or disconnect with a NEMA 4 enclosure. Follow the factory wiring diagram to connect line and load terminals, ensuring the B phase is wired as a 240 V delta high-leg (4W+G). Use the internal terminal breaker to isolate the module during servicing, and rely on the built-in surge counter for ongoing protection status.
Key specs include a 120 kA per phase rating and a 240 delta high-leg (4W+G) configuration, which maximize surge withstand and protect energized equipment. The device is RoHS compliant and UL 1449 and CSA C22.2 listed, ensuring compatibility with standard industrial panels. The standard surge counter provides visibility, enabling proactive maintenance and reducing unplanned downtime.
Yes. The unit is certified to UL 1449, UL 1283, and CSA standards (CSA C22.2 No. 8-M1986, CSA Electrical Notice No. 516 Edition 1), with RoHS compliance. These certifications support regulatory compliance in industrial facilities and help meet electrical code requirements for surge protection devices, including rugged environments and critical power applications.
Eaton backs the SPD MAX with a 15-year warranty from delivery, expanding to 20 years when registered on Eaton’s SPD portal. This long-term coverage aligns with asset protection in demanding environments. The built-in surge counter and the robust NEMA 4 enclosure help minimize maintenance costs and support predictable total cost of ownership.
Ideal for industrial process equipment, manufacturing lines, outdoor switchgear, and commercial feeders that require robust transient protection. Its 120 kA per phase rating, 240 delta high-leg compatibility, and rugged NEMA 4 enclosure suit harsh environments, with a built-in surge counter aiding compliance audits and lifecycle asset protection. Use with panelboards, MCCs, and critical power circuits to maximize uptime.