Eaton SPD100400Y3K Surge Protection Device - UL 1449
Part Number: SPD100400Y3K
Quick Summary
Eaton SPD100400Y3K is a surge protection device designed to shield electrical distribution equipment from transient overvoltages in 230/400V systems. For engineers and procurement teams, surges can cause unexpected downtime, equipment damage, and costly maintenance spikes. This unit is UL 1449 listed and built for indoor use with a rugged NEMA 1 enclosure and sidemount installation, delivering reliable protection in demanding environments. By combining a compact form factor with a proven protection platform, it supports compliance, minimizes risk, and reduces lifecycle costs for panel boards, MCCs, and power distribution gear. The product’s sidemount capability and surge counter feature also align with modern maintenance workflows and traceability requirements.
Product Information
Extended Description
SPD100400Y3K Eaton: Surge Protection Device, SPD series, 100 kAIC, 230/400V wye (4W+G), Standard feature package and surge counter, 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
SPD100400Y3K
UPC
786685327501
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 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 - SPD100400Y3K
Eaton’s SPD Series (Sidemount Versions) Data Sheet
SPD100400Y3K delivers a structured value chain from protection to performance. Feature: 100 kAIC interrupt rating provides high-energy surge handling, reducing the likelihood of downstream equipment damage. Business impact: minimizes downtime and extends the service life of motors, drives, and controllers. Application: ideal for control panels and switchgear in industrial facilities that demand robust transient protection. Feature: 230/400V wye (4W+G) configuration matches common industrial power systems, enabling straightforward integration with existing distributions. Business impact: lowers design complexity and project risk, supporting faster deployment. Application: suitable for new builds and panel upgrades in manufacturing plants. Feature: NEMA 1 enclosure with external side mounting simplifies installation and servicing, reducing labor time and enabling clean, accessible wiring. Business impact: improves maintenance efficiency and regulatory alignment. Application: retrofit projects and new installations in indoor environments. Feature: standard feature package includes a surge counter for diagnostics and maintenance planning, plus documented installation instructions. Business impact: enhances reliability tracking and reduces unscheduled maintenance. Application: field technicians benefit from clear reference data during commissioning. Feature: 15-year warranty and UL 1449 certification provide long-term assurance of performance and safety. Business impact: lowers total cost of ownership and supports procurement standards. Application: asset-intensive facilities requiring durable protection across multiple distribution panels.
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FAQs
The SPD100400Y3K uses external side mounting and a NEMA 1 enclosure, which simplifies field wiring and access for testing and maintenance. Ensure clearance for routing L-N, L-G, N-G, and L-L connections, follow the Eaton installation manual, and observe mounting guidelines to maintain enclosure integrity and protection performance.
This device is rated for 100 kAIC, suitable for high-energy transients in 230/400V wye systems. It clamps transient overvoltages to protect downstream devices, reducing the risk of motor, drive, and controller damage. The protection is built into a sidemount, easily integrated with existing distribution panels.
Yes. With a NEMA 1 enclosure and external side mounting, the SPD100400Y3K is well-suited for indoor panel boards, MCCs, and distribution sections. The 4W+G arrangement supports safe grounding, and the compact footprint supports retrofit or new-build installations without requiring major layout changes.
The SPD100400Y3K is UL 1449 listed, ensuring compliance with key surge protection safety standards. This certification supports electrical system integrity and risk mitigation in North American installations, and aligns with typical procurement requirements for protection devices in industrial environments.
Eaton provides a 15-year warranty on the SPD100400Y3K, reflecting confidence in long-term protection performance. This warranty, combined with accessible installation manuals and datasheets, supports total cost of ownership goals and ensures continued protection for critical equipment across the asset lifecycle.