Eaton SPD100400Y3Q Surge Protection Device - 100 kAIC
Part Number: SPD100400Y3Q
Quick Summary
The Eaton SPD100400Y3Q surge protection device safeguards electrical systems from transient surges in industrial power networks. For engineers and procurement teams, surge events can cause downtime, damaged equipment, and costly maintenance. UL 1449 certification, a NEMA 4X stainless-steel enclosure, and a 15-year warranty reinforce reliability in harsh environments. External sidemount compatibility and 230/400V wye systems make integration straightforward, delivering measurable value through longer asset life and fewer outages.
Product Information
Extended Description
SPD100400Y3Q Eaton: SPD, 100 kAIC, 230/400V wye (4W+G), Standard feature package and surge counter, NEMA 4X with internal disconnect 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
SPD100400Y3Q
UPC
786685342801
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
Eaton’s SPD Series (Sidemount Versions) Brochure
Eaton SPD Series - For Mounting External To Electrical Distribution Equipment Installation Manual
Eaton Specification Sheet - SPD100400Y3Q
Eaton’s SPD Series (Sidemount Versions) Data Sheet
High surge interrupt rating: The SPD100400Y3Q delivers 100 kAIC protection, enabling rapid clamping of high-energy transients and safeguarding sensitive loads. By limiting peak voltages during surge events, it reduces nuisance trips, minimizes equipment damage, and lowers repair costs. In manufacturing lines, packaging cells, and process control panels, this translates to more reliable operation and improved overall line efficiency under demanding conditions. Rugged enclosure and sidemount installation: The stainless steel NEMA 4X enclosure resists moisture, corrosion, and dust, delivering durable protection in harsh environments. The external side mounting design simplifies retrofit projects by avoiding interior panel clearance concerns, enabling quicker installation alongside existing gear. With its compact footprint and modest weight, it fits neatly into crowded electrical rooms while maintaining accessibility for service.
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FAQs
The SPD100400Y3Q is designed for external sidemount installation on distribution gear. Ensure at least the recommended clearance for side access, mount the enclosure on a stable surface or frame, and connect L-N, L-G, and N-G as per the installation manual. The stainless steel NEMA 4X enclosure provides durability in harsh environments, while the 9.5 in length, 5.4 in width, and 3.45 in height keep the unit compact within crowded rooms.
SPD100400Y3Q offers a 100 kAIC interrupt rating, suitable for high-energy transients. It supports 230/400V wye (4W+G) configurations with operating voltages at 320 L-N, 320 L-G, 320 N-G, and 640 L-L. The device is UL 1449 certified and includes a surge counter for monitoring protection activity, enhancing maintenance planning.
Yes. The external sidemount SPD100400Y3Q is built for harsh environments thanks to its NEMA 4X stainless-steel enclosure. Its 230/400V wye rating and external mounting support integration with outdoor switchgear or facility distribution panels. A 15-year warranty further supports long-term reliability in data centers, manufacturing floors, and other critical facilities.
SPD100400Y3Q carries UL 1449 certification for surge protection reliability and includes a 15-year warranty. This combination provides regulatory assurance and long-term vendor support, helping justify protection investments in sectors with uptime requirements such as automotive, food & beverage, and process industries.
The device comes with a standard feature package and an integrated surge counter, enabling ongoing monitoring and event logging. This supports proactive maintenance, simplifies compliance reporting, and improves protection program visibility, ultimately contributing to reduced downtime and lower total cost of ownership over the equipment lifecycle.