Eaton SPM250240H3T Surge Protection Device - UL/CSA Listed
Part Number: SPM250240H3T
Quick Summary
The Eaton SPM250240H3T surge protection device provides reliable transient suppression for industrial control panels and heavy equipment. Too often, voltage spikes cause unplanned downtime and shortened equipment life; this SPD helps protect costly assets and downtime. Backed by UL 1449 and UL 1283 listings, CSA Electrical Notice No. 516, and CSA standards, it meets rigorous safety and reliability criteria. Designed for 240 delta four-wire-plus-ground setups, it pairs with the SPD MAX family to simplify procurement, while RoHS compliance supports sustainability goals. A long warranty and built-in surge counter add business value by reducing maintenance surprises and enabling audits across electrical panels.
Product Information
Extended Description
SPM250240H3T Eaton: Surge Protective Device, Max series, Single module, 250 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
SPM250240H3T
UPC
786685917979
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 UL 1283 UL 1449 CSA Std. C22.2 No. 8-M1986
Voltage rating
240 delta (4W+G)
Enclosure
NEMA 4 with internal terminal breaker
Type
Max series
Special features
Standard with surge counter
Feature: 250 kA per phase surge rating. This high-energy capability translates to a lower likelihood of SPD failure during major transients, protecting downstream devices such as PLCs, variable-frequency drives, and motor starters. The Eaton SPM250240H3T is optimized for 240 V delta (4W+G) configurations, making it a reliable choice for panelboards, MCCs, and automation racks in manufacturing facilities. Feature: NEMA 4 enclosure with internal terminal breaker. This rugged design provides protection against dust, water ingress, and harsh environments, enabling safer indoor and outdoor installations with minimal field hardware. The integrated terminal block inside the enclosure reduces wiring complexity and speeds up installation, compatible with standard Eaton SPD MAX accessories. Feature: Standard surge counter. This built-in feature delivers visibility into protection history, simplifying maintenance schedules and compliance reporting. It helps verify protection continuity after outages and supports proactive replacement planning for critical lines in data centers, process plants, and packaging lines. Feature: Warranty and RoHS compliance. A 15-year warranty (20 years when registered on Eaton’s site) lowers lifecycle costs, while RoHS compliance aligns with sustainability programs and regulatory requirements. Together with UL and CSA certifications, this supports multi-site procurement and audit readiness. Feature: Compatibility and configuration. As a single-module Max series device, it integrates smoothly with existing Eaton protection strategies across 240 delta (4W+G) systems, streamlining installation in new projects or panel retrofits and reducing spare-part diversity in maintenance inventories.
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FAQs
The SPM250240H3T is designed for 240 delta (4W+G) configurations and should be installed in a suitable enclosure with the internal terminal breaker accessible for service. Ensure proper mounting within a compliant panel or MCC, with appropriate clearances and grounding connections. Verify compatibility with the SPD MAX family and follow standard Eaton wiring practices for a clean, code-compliant installation.
A 250 kA per phase rating indicates high surge energy capability, reducing the risk of SPD failure during large transient events. This translates to better protection for sensitive devices like PLCs, drives, and motor starters, especially in environments with frequent high-energy spikes or generator switching, supporting longer equipment life and fewer unplanned outages.
Yes. The device uses a NEMA 4 enclosure, which provides reliable protection against dust, water, and other environmental ingress. This makes it appropriate for both indoor panel installations and outdoor or damp environments when mounted in a compliant enclosure, helping maintain protective performance without extra shielding.
The unit carries UL 1449 and UL 1283 listings, plus CSA Electrical Notice No. 516 and CSA standards. These certifications confirm compliance with essential safety and performance benchmarks, enabling easier code approvals, cross-site procurement, and reliable protection across diverse industrial installations.
The SPM250240H3T carries a 15-year warranty from delivery, with an extended 20-year option available when registered on Eaton’s website. This extended coverage reduces long-term maintenance risk and total cost of ownership, making it attractive for multi-site deployments and capital-intensive projects.