Eaton SPD100400Y2Q Surge Protection Device - UL 1449
Part Number: SPD100400Y2Q
Quick Summary
SPD100400Y2Q is a surge protection device designed to guard 230/400V systems in industrial control panels. For engineers balancing uptime with cost, unprotected surges can cause outages and equipment damage. This model is UL 1449 certified, housed in a rugged NEMA 4X stainless enclosure, and supports easy external sidemount installation. Its 100 kAIC interrupt rating and multi-path protection address harsh environments while maintaining compliance. By combining high protection with straightforward installation, it aligns with industrial panel protection needs, electrical safety goals, and maintenance efficiency.
Product Information
Extended Description
SPD100400Y2Q Eaton: Surge Protection Device, SPD series, 100 kAIC, 230/400V wye (4W+G), Standard feature package, 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
SPD100400Y2Q
UPC
786685342702
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 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 - SPD100400Y2Q
Eaton’s SPD Series (Sidemount Versions) Data Sheet
Feature: 100 kAIC surge rating provides robust protection against large transient events. Business Impact: Reduces the risk of equipment damage, downtime, and costly repairs, improving overall system uptime. Application: Ideal for switchgear, motor control centers, and critical panels in harsh industrial environments.\n\nFeature: 230/400V wye operation with multiple protection paths (320 L-N, 320 L-G, 320 N-G, 640 L-L). Business Impact: Delivers comprehensive transient suppression across all line-to-line and line-to-ground paths, enhancing reliability. Application: Suitable for multi-axis protection in complex electrical distributions.\n\nFeature: NEMA 4X stainless steel enclosure with external side mounting. Business Impact: Delivers corrosion resistance and easy service access in outdoor or damp locations, reducing maintenance work. Application: Outdoor substations, outdoor control panels, and harsh manufacturing floors.\n\nFeature: 15-year warranty with UL 1449 certification. Business Impact: Lowers total cost of ownership and ensures regulatory compliance, supporting long-term budgeting. Application: OEM panels and retrofit projects needing certified protection.\n\nFeature: External sidemount design and standard feature package. Business Impact: Facilitates retrofits and simplifies installation in existing enclosures, shortening project timelines. Application: Retrofit projects and new installs in industrial environments.
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FAQs
The SPD100400Y2Q is designed for external sidemount installation on compatible enclosures. Begin by verifying clearance for the 9.5 in length and 5.4 in width, then mount using standard hardware specified for stainless steel NEMA 4X cabinets. Connect to the 230/400V wye system across L-N, L-G, N-G, and L-L paths per IM01005031E instructions, and confirm UL 1449 compliance during the commissioning process.
SPD100400Y2Q offers a 100 kAIC interrupt rating to handle severe transients. It provides protection across multiple paths: 320 V paths for L-N, L-G, and N-G, plus 640 V path for L-L, ensuring comprehensive transient suppression in 230/400V wye systems.
Yes. The device comes in a NEMA 4X stainless steel enclosure designed for corrosion resistance and weather exposure. External sidemount installation further facilitates retrofits in outdoor panels or damp plant environments, supporting reliable protection without compromising serviceability.
SPD100400Y2Q is UL 1449 certified, confirming compliance with industry surge protection standards. It carries a 15-year warranty, which helps with lifecycle budgeting and reduces maintenance risk for critical electrical installations in industrial settings.
By preventing surge-induced outages and protecting costly equipment, the SPD100400Y2Q lowers unplanned downtime and maintenance costs. The durable NEMA 4X enclosure and long warranty translate to predictable maintenance cycles, fewer replacements, and improved panel reliability in demanding environments.