Eaton SPD100400Y1O Surge Protection Device - UL 1449
Part Number: SPD100400Y1O
Quick Summary
The Eaton SPD100400Y1O surge protection device protects electrical systems from transient surges in industrial panels. Unprotected equipment leads to costly downtime, nuisance tripping, and accelerated component wear. UL 1449 listed with a rugged NEMA 4X enclosure and an external side-mount design supports outdoor environments and straightforward installation. With a 15-year warranty and a 100 kAIC interrupt rating, this SPD helps protect critical drives, panelboards, and switchgear, delivering reliability and long-term cost savings. Designed for 230/400V wye systems, it integrates smoothly into modern power distribution without complicating commissioning.
Product Information
Extended Description
SPD100400Y1O Eaton: Surge Protection Device, SPD series, 100 kAIC, 230/400V wye (4W+G), Basic feature package, NEMA 4 with internal disconnect 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
SPD100400Y1O
UPC
786685337203
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
Basic feature package
Voltage rating
230/400V wye (4W+G)
Enclosure
NEMA 4X
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 - SPD100400Y1O
Eaton’s SPD Series (Sidemount Versions) Data Sheet
Feature: 100 kAIC interrupt rating provides robust surge handling. Benefit: Reduces downstream equipment damage and unplanned downtime, protecting critical loads such as drives and control panels in manufacturing lines. Application: Industrial automation systems and data-driven manufacturing environments benefit from higher surge tolerance and improved uptime. Long-tail keywords: surge protection device, high interrupt rating, panel protection. Feature: 230/400V wye (4W+G) voltage rating supports common 3-phase power distribution. Benefit: Seamless integration with standard industrial power architectures, reducing engineering adjustments during retrofits. Application: Panelboards, MCCs, and switchgear across factories and process plants. Long-tail keywords: 230/400V, 3-phase protection, industrial distribution. Feature: NEMA 4X enclosure with internal disconnect. Benefit: Weather-resistant protection and serviceability for outdoor or harsh indoor locations, minimizing maintenance downtime. Application: Outdoor electrical rooms and exposed installations. Long-tail keywords: NEMA 4X enclosure, external disconnect, rugged protection. Feature: External side mounting simplifies installation adjacent to distribution equipment. Benefit: Faster installation, reduced wiring complexity, and easier retrofits in tight spaces. Application: External sidemount setups in industrial facilities. Long-tail keywords: external side mounting, sidemount installation, quick retrofit. Feature: Operating voltages 320 L-N, 320 L-G, 320 N-G, 640 L-L extend protective coverage. Benefit: Broad protection across different wiring configurations and fault conditions. Application: 4-wire wye systems in manufacturing and processing facilities. Long-tail keywords: operating voltage coverage, L-N/L-G/N-G protection, L-L protection. Feature: Basic feature package included. Benefit: Immediate protection without extra procurement steps, accelerating project timelines. Application: New deployments and system upgrades. Long-tail keywords: basic feature package, plug-and-protect, turnkey protection. Feature: 15-year warranty and UL 1449 listing. Benefit: Lower total cost of ownership and compliance assurance for critical equipment. Application: Enterprise-scale installations and regulated environments. Long-tail keywords: UL 1449 listed, 15-year warranty, long-term protection.
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FAQs
SPD100400Y1O uses external side mounting and a rugged NEMA 4X enclosure, designed for quick sidemount installation next to distribution gear. Refer to the installation manual IM01005031E for step-by-step mounting guidance and clearances.
The device is rated at 230/400V in a 4W+G configuration with an interrupt rating of 100 kAIC, and operating voltages of 320 L-N, 320 L-G, 320 N-G, and 640 L-L to cover common fault scenarios.
Yes. It’s designed for external sidemount installation on distribution equipment, with a NEMA 4X enclosure suitable for harsh environments, making it ideal for panelboards, MCCs, and switchgear in industrial settings.
SPD100400Y1O is UL 1449 listed, ensuring compliance with established surge protection standards for electrical equipment.
The unit carries a 15-year warranty, providing long-term protection and reducing maintenance costs while delivering predictable lifecycle ROI for mission-critical plants.