Eaton SPD100400Y3P Surge Protection Device - UL 1449

Part Number: SPD100400Y3P
Manufacturer
Eaton
Part number
SPD100400Y3P

Quick Summary

The Eaton SPD100400Y3P surge protection device protects electrical systems from transient overvoltage in industrial and commercial panels. Across projects, customers battle nuisance surges, equipment damage, and costly downtime that erode uptime and margins. UL 1449 listed with a rugged NEMA 4X stainless steel enclosure and external side mounting delivers dependable protection in harsh environments. The device supports 230/400V wye systems with a 100 kAIC rating, offering a reliable, scalable solution that helps reduce maintenance costs and extend equipment life. A 15-year warranty reinforces long-term reliability and total cost of ownership.

Product Information

Extended Description

SPD100400Y3P Eaton: Surge Protection Device, SPD series, 100 kAIC, 230/400V wye (4W+G), Standard feature package and surge counter, NEMA 4X stainless steel enclosure, External side mount, 320 L-N, 320 L-G, 320 N-G, 640 L-L operating voltage
Product Name
Eaton SPD series surge protection device
Catalog Number
SPD100400Y3P
UPC
786685340104
Product Length/Depth
9.5 in
Product Height
3.45 in
Product Width
5.4 in
Product Weight
3.5 lb
Warranty
15 year
Certifications
UL 1449
Type
Surge protection device
Accessories
Standard feature package and surge counter
Voltage rating
230/400V wye (4W+G)
Enclosure
NEMA 4X
Mounting Method
External side
Enclosure material
Stainless steel
Interrupt rating
100 kAIC
Operating voltage
320 L-N, 320 L-G, 320 N-G, 640 L-L
Series
SPD
Feature → Business Impact → Application: Surges and transients are mitigated by a 100 kAIC interrupt rating, reducing the risk of equipment failure and unplanned downtime in critical power feeders. This translates to higher line uptime for manufacturing lines, data centers, and distribution panels, especially where sensitive drives and controls sit behind the SPD. Feature → Business Impact → Application: 230/400V wye (4W+G) compatibility enables seamless integration into common industrial power architectures, minimizing redesigns and allowing quicker commissioning on new builds or retrofits. Feature → Business Impact → Application: NEMA 4X stainless steel enclosure provides corrosion resistance and environmental protection, extending service life in exposed or outdoor installations and reducing maintenance cycles in harsh environments. Feature → Business Impact → Application: External side mounting simplifies installation and service, enabling faster deployments, easier thermal management, and minimal enclosure access disruption during maintenance windows. Feature → Business Impact → Application: Standard feature package and surge counter deliver visible protection status and traceability for compliance reporting and preventive maintenance planning. Feature → Business Impact → Application: 15 year warranty delivers total cost of ownership benefits by minimizing replacement cycles and warranty-related downtime in critical electrical systems. Feature → Business Impact → Application: 320 L-N, 320 L-G, 320 N-G, 640 L-L operating voltages provide versatile surge routing for multi-line distributions, supporting both line-to-ground and line-to-line protection in complex bus configurations. Feature → Business Impact → Application: UL 1449 certification and Eaton’s SPD series data sheet alignment ensure traceable safety compliance and reliable performance across installed bases, reducing vendor risk on audits and inspections.

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FAQs

For sidemount installation, ensure the enclosure is securely mounted on a stable surface with adequate clearance for heat dissipation and wiring access. Use the external side mounting points specified by Eaton, verify 230/400V wye connections, and route L-N, L-G, N-G, and L-L conductors to minimize inductive coupling. Consider ambient temperature and ingress protection needs provided by the NEMA 4X enclosure to determine any additional protective measures.
SPD100400Y3P features a 100 kAIC interrupt rating, supports 320 L-N, 320 L-G, 320 N-G, and 640 L-L operating voltages, and is rated for 230/400V wye. It is UL 1449 listed, with a robust stainless steel enclosure for demanding environments. These specifications translate to strong transient suppression, reduced risk of equipment damage, and improved system resilience in harsh industrial applications.
Yes. The device is designed for 230/400V wye systems and is compatible with external-sidemount installations on electrical distribution equipment. Its 100 kAIC rating and NEMA 4X enclosure make it well-suited for factory floors, outdoor enclosures, and control panels where reliable surge protection is essential for protecting motors, drives, and PLCs.
The SPD100400Y3P is UL 1449 listed, signaling compliance with established surge protection safety standards. This certification provides confidence during audits, procurement, and compliance reviews, supporting reliable, risk-managed protection for critical electrical infrastructure.
By reducing surge-related damage and downtime, the SPD100400Y3P helps extend equipment life and minimize maintenance interruptions. The 15-year warranty further lowers replacement costs, while its robust enclosure and straightforward installation reduce lifecycle support overhead and improve return on investment for mission-critical power protection projects.