Eaton SPD MAX surge protection device SPM250240H3X - UL 1449
Part Number: SPM250240H3X
Quick Summary
Eaton SPD MAX surge protection device protects industrial electrical systems from transient surges in critical equipment. Surges cause downtime, equipment damage, and unpredictable maintenance costs, especially for motors and control panels. It carries UL 1449 listing, CSA certifications, and a NEMA 4X enclosure to meet harsh-environment requirements. For industrial automation and power distribution networks, this model enhances uptime, reduces maintenance, and supports compliance across facilities. With 250 kA per phase and a 240 V delta configuration, it protects feeders and downstream devices without sacrificing accessibility. The integrated surge counter helps engineers verify protection effectiveness during commissioning and ongoing maintenance. Its RoHS compliance and extensive certifications support safe procurement and audit readiness.
Product Information
Extended Description
SPM250240H3X 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 4X with internal terminal block
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM250240H3X
UPC
786685917993
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 CSA Std. C22.2 No. 8-M1986 UL 1283 CSA Electrical Notice NO. 516 Edition 1
Voltage rating
240 delta (4W+G)
Enclosure
NEMA 4X with internal terminal block
Type
Max series
Special features
Standard with surge counter
Feature: 250 kA per phase surge protection. Business Impact: Provides robust transient suppression for critical equipment, reducing the risk of damage and unplanned downtime. Application: Protects motor drives, PLCs, and distribution panels in manufacturing lines. Feature: 240 delta high-leg (4W+G) configuration on B phase. Business Impact: Ensures correct wiring topology for reliable protection across 4-wire delta systems. Application: Industrial automation and control panels with delta-wired feeders. Feature: NEMA 4X enclosure with internal terminal block. Business Impact: Delivers rugged, corrosion-resistant protection suitable for washdown and harsh environments. Application: Outdoor-rated installations, production floors, and environmental demanding facilities. Feature: Standard with surge counter. Business Impact: Enables accurate protection verification during commissioning and maintenance cycles. Application: OEM integrations and facility audits. Feature: Single module, RoHS compliant, UL 1449 and CSA certified. Business Impact: Simplifies installation, regulatory compliance, and supply-chain risk management. Application: New builds and retrofits across industrial campuses. Feature: Warranty and support program. Business Impact: Provides long-term protection with confidence, reducing lifecycle costs. Application: Facilities managers planning multi-year asset protection strategies.
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FAQs
The SPM250240H3X uses a single-module design with an internal terminal block, making it straightforward to drop into approved panels. Verify 240 delta (4W+G) wiring, ensure RoHS compliance requirements are met, and secure the unit within a NEMA 4X-rated environment. Use the surge counter to confirm operation during commissioning and document any transients for future audits.
Key specs include 250 kA per phase surge capability, 240 delta (4W+G) voltage rating, a single module format, NEMA 4X enclosure with internal terminal block, and standard with surge counter. The unit weighs 50 lb and has dimensions of approximately 9.3 in length, 17.5 in height, and 14.91 in width, with a 15-year warranty (20 years with registration).
Yes. The SPM250240H3X is housed in a NEMA 4X enclosure designed for harsh environments and washdown conditions. This enclosure type, combined with the internal terminal block, enables reliable protection for outdoor or production-floor deployments without sacrificing accessibility or serviceability.
This model is UL 1449 listed and CSA certified, with UL 1283 and CSA Electrical Notice NO. 516 Edition 1 recognition. These certifications validate safety performance for electrical protection devices and support compliance during audits, regulatory reviews, and procurement processes.
Installing the SPM250240H3X reduces downtime by mitigating transient events that damage downstream equipment. The integrated surge counter enables measurable performance tracking, while the long warranty (15 years, 20 years with registration) lowers lifecycle costs. Overall, expect improved equipment longevity, easier maintenance planning, and higher system reliability in manufacturing and automation environments.