Eaton SPD100400Y2K Surge Protection Device - UL 1449
Part Number: SPD100400Y2K
Quick Summary
The Eaton SPD100400Y2K surge protection device protects electrical systems from damaging transients in industrial power distribution. For engineers facing unpredictable surges, downtime and equipment wear can erode productivity and margins. This UL 1449-certified unit uses a rugged NEMA 1 enclosure and external side mounting to guard 230/400V wye systems. With a 100 kAIC interrupt rating and a 15-year warranty, it delivers reliable surge protection while helping you meet compliance and maintain uptime. Designed for panelboards, switchgear, and external distribution equipment, it integrates with standard electrical protection schemes and reduces long-term ownership costs. By combining proven protection with straightforward installation, this SPD supports efficient procurement and faster project delivery.
Product Information
Extended Description
SPD100400Y2K Eaton: Surge Protection Device, SPD series, 100 kAIC, 230/400V wye (4W+G), Standard feature package, NEMA 1 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
SPD100400Y2K
UPC
786685327402
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
Voltage rating
230/400V wye (4W+G)
Enclosure
NEMA 1
Mounting Method
External side
Interrupt rating
100 kAIC
Operating voltage
320 L-N, 320 L-G, 320 N-G, 640 L-L
Series
SPD
Eaton’s SPD Series (Sidemount Versions) Brochure
Eaton SPD Series - For Mounting External To Electrical Distribution Equipment Installation Manual
Eaton Specification Sheet - SPD100400Y2K
Eaton’s SPD Series (Sidemount Versions) Data Sheet
Feature → Business Impact → Application: The SPD100400Y2K provides a 100 kAIC interrupt rating, delivering robust surge handling that minimizes downtime and protects sensitive downstream equipment in 230/400V wye networks common to manufacturing and data-center environments. This translates to fewer unexpected outages and lower maintenance costs during peak loading. Application: panelboards, switchgear, and external distribution gear. Feature → Business Impact → Application: External side mounting simplifies retrofit and installation around existing equipment, reducing labor time and enabling quicker project turnaround. Application: control cabinets and outdoor-rated distribution panels where space is at a premium. Feature → Business Impact → Application: NEMA 1 enclosure delivers dependable indoor protection for SPD components, supporting indoor installations in controlled environments and improving overall reliability. Application: warehouses, manufacturing floors, and service panels. Feature → Business Impact → Application: L-N, L-G, N-G, and L-L protection across 320 L-N, 320 L-G, 320 N-G, and 640 L-L operating voltages provides broad coverage for downstream loads, reducing the risk of transient damage across mixed load types. Application: mixed-load industrial facilities with diverse equipment. Feature → Business Impact → Application: 9.5 in length, 5.4 in width, 3.45 in height and 3.5 lb weight offer a compact footprint that simplifies installation in crowded panels and side-mount configurations. Application: retrofit projects and spaces with limited enclosure depth. Feature → Business Impact → Application: 15-year warranty and UL 1449 certification deliver long-term confidence for procurement, streamlining vendor selection and lifecycle planning. Application: enterprise-scale rollouts across multiple sites with strict uptime targets.
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FAQs
The SPD100400Y2K is designed for external side mounting on distribution gear. Follow Eaton’s installation manual IM01005031E.pdf, connect the L, N, and G conductors to the appropriate terminals, and position the device on or beside the equipment with adequate clearance. Use the standard feature package and ensure a proper NEMA 1 indoor-rated enclosure setup for reliable protection.
This unit delivers a 100 kAIC interrupt rating and supports a 230/400V wye configuration (4W+G). It provides protection paths for L-N, L-G, N-G, and L-L, with operating voltages at 320 L-N, 320 L-G, 320 N-G, and 640 L-L. The configuration ensures broad transient suppression across typical industrial loads and downstream equipment.
Yes. The SPD100400Y2K is designed for panelboards, switchgear, and external distribution equipment within 230/400V systems. Its external side mounting and robust 100 kAIC protection make it ideal for manufacturing environments where uptime and equipment integrity are critical, while its NEMA 1 enclosure supports indoor installation reliability.
The SPD100400Y2K carries UL 1449 certification, confirming compliance with key surge protection safety standards. For detailed specifications, the Eaton datasheet and installation resources are available via Eaton’s technical documents portal, including the SPD100400Y2K specification sheet and installation instructions.
Deploying SPD100400Y2K helps reduce downtime and extends equipment life by mitigating transient events, lowering maintenance costs over time. The 15-year warranty provides lifecycle cost containment, while the device’s compact footprint and external mounting simplify installation and future scalability across multiple sites.