Eaton SPD100240D4L Surge Protection Device - UL 1449
Part Number: SPD100240D4L
Quick Summary
Eaton SPD100240D4L surge protection device protects 3-phase electrical systems from transient surges in industrial environments. In manufacturing facilities, unprotected panels are vulnerable to lightning strikes and grid disturbances that cause downtime and equipment damage. UL 1449 certification supports safety and performance expectations, while the NEMA 1 flush enclosure design simplifies installation in existing control panels. For global deployments, verify regional approvals as needed to meet local codes. This SPD integrates with Power Xpert SPD solutions, providing a scalable path for upgrading protective architectures without disrupting operations. The result is improved reliability, easier maintenance, and a clearer path to regulatory compliance across your electrical protection strategy.
Product Information
Extended Description
SPD100240D4L Eaton: Eaton Surge Protection Device, SPD Series, 100 kA per phase, 240 Delta (3W + G), Power Xpert SPD, NEMA 1 flush enclosure
Product Name
Eaton SPD series surge protection device
Catalog Number
SPD100240D4L
UPC
786689405809
Product Length/Depth
3.48 in
Product Height
12.05 in
Product Width
7.47 in
Product Weight
6.8 lb
Certifications
UL 1449
Accessories
Power Xpert SPD
Used with
NEMA 1 flush enclosure
Voltage rating
240 Delta (3W+G)
Surge current
100 kA per phase
Feature 100 kA per phase surge rating → Business Impact The high surge current capability significantly reduces the risk of damage to sensitive downstream equipment during transient events, limiting unplanned downtime and extending asset life. Application Ideal for critical lines in manufacturing cells and automation racks where power quality is essential. Feature 240 Delta (3W+G) configuration → Business Impact This three-wire plus ground arrangement provides comprehensive phase protection across all conductors, ensuring balanced protection for motors, drives, and PLCs. Application suits power distribution blocks and panel boards in industrial automation environments. Feature NEMA 1 flush enclosure → Business Impact Easy, space-efficient installation reduces panel modification time and supports cleaner wiring layouts, lowering installation costs. Application Beneficial for retrofit projects in control panels and OEM equipment enclosures. Feature Power Xpert SPD compatibility → Business Impact Enables seamless integration with Eaton's protection ecosystem, simplifying maintenance, testing, and future upgrades. Application Suitable for ongoing protection strategy evolution in plant environments. Feature UL 1449 listing → Business Impact Demonstrates compliance with a recognized safety standard, aiding audits and code conformity. Application Critical for regulated facilities and industries requiring formal safety certification. Feature Model SPD100240D4L → Business Impact Clear traceability and procurement alignment simplify ordering, stocking, and supplier communication. Application Ideal for inventory-ready protection in multi-line facilities.
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FAQs
When installing SPD100240D4L in a NEMA 1 flush enclosure, ensure proper panel clearance and adequate mounting space to maintain ventilation and accessibility. Verify grounding continuity and route conductors neatly to minimize thermal and electrical interference. Follow manufacturer torque specs for connections and consider future service access when selecting a location in the panel.
A 100 kA per phase rating indicates the device can safely absorb very high surge currents on each phase without failure. This rating translates to better protection for motors, drives, and controls during lightning events or switching transients, reducing the likelihood of insulation damage or downline faults and helping maintain uptime in demanding industrial environments.
Yes. The SPD100240D4L is designed for 240 Delta (3W+G) systems, providing three-phase protection with a dedicated grounding conductor. This configuration is common in industrial power distribution and automation panels, making it a suitable choice for protecting motors, drives, and control circuits on such networks.
UL 1449 listing indicates the device meets established safety and performance standards for surge protective devices. While this is a strong compliance signal, verify all regional and sector-specific requirements (such as CE or local codes) for your installation to ensure full regulatory alignment across the facility.
Expected ROI comes from reduced downtime, fewer motor and drive failures, and lower maintenance costs due to improved surge protection. The device’s robust protection and compatibility with Power Xpert SPD solutions enable proactive upgrades, extend device lifespans, and simplify audits, ultimately lowering total cost of ownership over the equipment’s life cycle.