Eaton SPM400240H3T Surge Protection Device - 400 kA per phase
Part Number: SPM400240H3T
Quick Summary
The Eaton SPM400240H3T surge protection device protects electrical systems from transient surges in industrial environments. Unprotected panels suffer costly downtime from spikes, making reliable SPD essential for uptime and asset protection. This unit carries UL 1449, CSA approvals and RoHS compliance, reinforcing safety and regulatory readiness. Designed for 240 V delta (4W+G) installations, it features a rugged NEMA 4 enclosure and an integrated surge counter for easy monitoring, delivering reliability and cost savings across manufacturing and facilities.
Product Information
Extended Description
SPM400240H3T Eaton: Surge Protective Device, Max series, Single module, 400 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
SPM400240H3T
UPC
786685920931
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 UL 1283 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
With a 400 kA per phase rating, the SPM400240H3T provides rapid energy surge clamping to protect downstream equipment, reducing unplanned downtime and extending drive and controller life in critical lines. The rugged NEMA 4 enclosure with an internal terminal breaker simplifies installation and service in wet or dusty environments, minimizing field wiring and enclosure modifications. A built‑in surge counter enables proactive maintenance scheduling and audit-ready reporting, supporting asset management and compliance programs. The 240 V delta (4W+G) configuration ensures straightforward panel integration and compatibility with common plant power architectures, easing retrofits and new installs. RoHS compliance along with UL and CSA certifications mitigates regulatory risk, while the 15‑year warranty delivers long‑term value and predictable total cost of ownership.
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FAQs
Install following Eaton guidelines by connecting phase and neutral conductors to the internal terminals, ensuring correct polarity and grounding. The unit’s 9.3 in depth, 14.91 in width, and 17.5 in height fit standard panels, and the NEMA 4 enclosure provides protection in wet or dusty environments. Verify the surge counter starts after wiring for ongoing monitoring.
The device offers a 400 kA per phase duty rating, delivering rapid clamping of high-energy transients to limit voltage excursions. It is a single-module SPD with integrated monitoring features, and it carries RoHS, UL 1449, and CSA certifications to support safe, reliable operation in industrial settings.
Yes. The NEMA 4 enclosure with an internal terminal breaker is designed for challenging environments, including moisture and dust exposure. The unit is RoHS compliant and UL/CSA certified, ensuring safety and regulatory compliance even in demanding facilities such as manufacturing floors and utility rooms.
UL 1449 and UL 1283 approvals, CSA certification, and RoHS compliance ensure the SPD meets essential safety, performance, and environmental standards. These certifications simplify supplier qualification, pass regulatory audits, and give you confidence in long-term protection for critical electrical infrastructure.
With a 15-year warranty and an integrated surge counter, the SPM400240H3T reduces maintenance frequency and downtime, protecting valuable assets and lowering total cost of ownership. Regulatory-compliant design and robust construction minimize replacement cycles and support predictable budgeting for facility protection programs.