Eaton SPM300240H3X SPD Max Series - UL 1449/UL 1283
Part Number: SPM300240H3X
Quick Summary
The Eaton SPM300240H3X surge protection device safeguards industrial power systems against transients in critical facilities. Sudden voltage spikes can damage equipment, cause downtime, and drive maintenance costs. This model carries CSA and UL listings (UL 1283, UL 1449) plus RoHS compliance to meet stringent safety and environmental standards. With a rugged NEMA 4X enclosure and an internal terminal block, installation is straightforward and reliable for both indoor and outdoor panels. By combining durable protection with a built-in surge counter, it supports proactive maintenance and rapid fault isolation, delivering measurable business value through reduced downtime and longer equipment life.
Product Information
Extended Description
SPM300240H3X Eaton: Surge Protective Device, Max series, Single module, 300 kA per phase, 240 Delta high leg (4W+G) on B phase, Standard with surge counter, NEMA 4X w/ internal terminal block
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM300240H3X
UPC
786685918792
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 4X with internal terminal block
Type
Max series
Special features
Standard with surge counter
Feature: The SPM300240H3X provides a 300 kA per phase surge capability, delivering robust protection for critical loads and reducing the risk of transient damage to transformers, drives, and motors. Business impact: Fewer unplanned outages translate to higher plant uptime, lower repair costs, and improved overall equipment effectiveness. Application: Ideal for main distribution panels and panel boards serving demanding manufacturing lines and critical process equipment. It also integrates with SPD monitoring and building-management workflows to support proactive protection. Feature: The 240 delta (4W+G) high-leg configuration ensures correct wiring and protective coordination, preventing misconnection and nuisance tripping. Business impact: Correct phase mapping reduces commissioning risk, speeds up startup, and minimizes warranty claims due to improper installation. Application: Particularly beneficial for legacy industrial motors, servo systems, and feeders that rely on delta-wired supplies. This alignment ensures consistent protection across mixed-voltage fleets and simplifies panel modernization. Feature: The rugged NEMA 4X enclosure with an internal terminal block provides weather resistance and ease of installation, reducing field wiring errors and corrosion concerns. Business impact: Faster commissioning with fewer site adjustments saves labor and material costs, especially on outdoor or washdown-ready racks. Application: Outdoor panels, harsh factory floors, and process areas with rigorous cleaning regimes. Maintenance-friendly design helps field technicians during upgrades and service calls. Feature: Standard surge counter tracks events, enabling proactive maintenance, precise fault analysis, and trending for long-term reliability. Business impact: Operators gain visibility into surge activity, improving replacement planning and reducing reactive service costs. Application: Plant-wide protection programs, OEM builds, and service contracts benefit from real-time data and simplified compliance reporting. This internal feature supports data-driven maintenance planning. Feature: Long warranty and comprehensive compliance package—including RoHS and UL/CSA certifications—supports long-term reliability. Business impact: Lower total cost of ownership through extended coverage and regulatory alignment, reducing risk and warranty claims. Application: Ideal for critical infrastructure, data centers, and industrial feeders where traceability and safety compliance are essential. This extended coverage adds confidence for regulated deployments.
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FAQs
For installation in industrial panels, mount the SPM300240H3X on a clean, grounded chassis and connect via the internal terminal block, following enclosure clearances and manufacturer guidelines. The 50 lb weight and 9.3 in length require a stable mounting surface and proper support. Its NEMA 4X enclosure enables indoor and outdoor use, and the 240 delta (4W+G) wiring must align with your system configuration.
SPM300240H3X delivers up to 300 kA per phase surge capability, protecting sensitive loads from high-energy transients. The device is configured for 240 delta with a 4W+G system, and it ships RoHS compliant with CSA and UL listings (UL 1283, UL 1449). Built-in surge counter provides real-time monitoring, supporting proactive maintenance and fault diagnosis across industrial networks.
The SPM300240H3X is designed for rugged environments, featuring a NEMA 4X enclosure that withstands washdown and weather exposure. Its internal terminal block simplifies wiring, reducing field connections that can corrode or loosen over time. With RoHS compliance and CSA/UL certifications, the unit remains compliant in outdoor substations, production floors, or outdoor equipment enclosures.
SPM300240H3X carries UL 1283 and UL 1449 listings, plus CSA Electrical Notice No. 516 Edition 1 and CSA Std. C22.2 No. 8-M1986, with RoHS compliance. These certifications ensure safety and performance in regulated facilities such as data centers and manufacturing plants. The device also conforms to RoHS environmental requirements, simplifying procurement and sustainability reporting.
Protecting valuable loads from surges reduces unplanned downtime and extends equipment life, delivering a favorable return on investment. The Max series includes a 15-year warranty, with 20 years when registered, plus a built-in surge counter for monitoring. Coupled with RoHS and top-tier certifications, this device minimizes maintenance spend and supports long-term reliability in mission-critical applications.