Eaton SPM250240H4R Surge Protection Device - UL 1449
Part Number: SPM250240H4R
Quick Summary
Eaton SPM250240H4R surge protection device safeguards electrical systems against transient surges in industrial automation environments. When voltage spikes occur, sensitive drives, motor controllers, and PLCs can fail or trip, causing downtime and costly repairs. This unit carries UL 1449 safety certification and is housed in a rugged NEMA 4 enclosure, delivering reliable protection in harsh environments and outdoor installations. Built for Power Xpert SPD compatibility, it scales to protect complex power distribution schemes while minimizing nuisance faults. By combining high-energy surge capability with robust enclosure protection, this SPD helps maintenance teams extend asset life, improve uptime, and meet regulatory protection requirements in demanding industrial settings.
Product Information
Extended Description
SPM250240H4R Eaton: Eaton SPD Max series surge protection device, SPD Max Series, 250 kA per phase, 240 Delta High Leg (4W + G) on 'B' Phase, Power Xpert SPD, NEMA 4 with internal circuit breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM250240H4R
UPC
786689408237
Product Length/Depth
9.5 in
Product Height
17.05 in
Product Width
15 in
Product Weight
52 lb
Certifications
UL 1449
Voltage rating
240V high-leg delta (4W+G) on B phase
Surge current
250kA per phase
High-energy surge capacity is engineered into the SPM250240H4R, delivering 250kA per phase energy absorption to shield motor drives, transformers, and PLCs from damaging transients. Business impact: reduced downtime and lower repair costs, enabling uninterrupted production lines and increased equipment longevity. Application: ideal for manufacturing floors and process plants where large loads and sensitive electronics coexist. The device features a 240V high-leg delta (4W + G) on the B phase, ensuring accurate protection for delta-fed systems and avoiding miscoordination that leads to nuisance tripping. Business impact: improved protection selectivity and fewer false trips, boosting overall line efficiency. Application: installation in 4-wire delta power distributions common in industrial facilities. The robust NEMA 4 enclosure with an internal circuit breaker simplifies outdoor and harsh environment deployment, reducing cabinet space needs and enabling rapid fault isolation. Business impact: faster maintenance and safer, cleaner installations. Application: outdoor substations and wet/dust-prone areas. UL 1449 certification underpins regulatory compliance and risk reduction, while the enclosure rating supports durable performance in demanding sites. Business impact: safer operations and easier audits. Application: facilities with strict safety programs. Dimensions and weight (9.5 in D x 17.05 in H x 15 in W; 52 lb) support clear space planning and mounting; the unit’s size and heft communicate rugged, long-life protection. Business impact: predictable space utilization and reliable service life. Application: panel-mounted protection inside main distribution enclosures. Power Xpert SPD compatibility ensures seamless integration within Eaton’s protection ecosystem, enabling coordinated protection schemes and simplified maintenance. Business impact: reduced total cost of ownership and streamlined spare-part strategies. Application: Eaton-based protection architectures across industrial sites.
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FAQs
Installers should verify proper phase configuration for 240V high-leg delta networks, ensure adequate clearance around the 9.5 inch depth enclosure, and mount in a compliant enclosure rated for NEMA 4 environments. Use the internal circuit breaker for rapid fault isolation and routinely inspect the unit to confirm UL 1449 compliance and intact protective elements.
The device provides 250kA per phase surge current capability, absorbing transient energy before it reaches downstream equipment. This protection is crucial for motor drives, PLCs, and transformers, reducing the risk of insulation damage and unplanned downtime while maintaining uptime in demanding manufacturing environments.
Yes, it carries UL 1449 certification for safety and is housed in a NEMA 4 enclosure, enabling reliable outdoor or harsh-environment use. This combination supports compliance programs and ensures dependable performance in moisture, dust, and varying temperature conditions common in industrial plants.
Absolutely. The unit is designed for compatibility with Eaton’s Power Xpert SPD portfolio, allowing coordinated protection across multiple devices and downstream protection layers. This integration simplifies maintenance planning, part stocking, and enhances overall protection strategy for Eaton-based protection ecosystems.
The SPM250240H4R measures 15 inches wide by 17.05 inches high and 9.5 inches deep, with a weight of 52 pounds. These dimensions support clear panel integration, space budgeting, and safe handling during installation in main distribution or outdoor enclosures.