Eaton SPD120208Y3K Surge Protection Device - UL 1449
Part Number: SPD120208Y3K
Quick Summary
SPD120208Y3K Surge Protection Device protects 120/208V electrical systems from transient surges in industrial environments. For engineers and procurement teams, unpredictable transient events cause downtime, equipment damage, and elevated maintenance costs. This model carries UL 1449 certification for surge safety and reliability, and it employs a robust NEMA 1 enclosure with external sidemount mounting to simplify installation in existing panels. By delivering reliable surge protection at the point of use, it supports compliant, uninterrupted power for sensitive electronics and motor loads. In practice, this translates to improved asset longevity and reduced unplanned service windows, while integrating seamlessly with standard SPD and distribution strategies for industrial facilities.
Product Information
Extended Description
SPD120208Y3K Eaton: Surge Protection Device, SPD series, 120 kAIC, 120/208V wye (4W+G), Standard feature package and surge counter, NEMA 1 enclosure, External side mount, 150 L-N, 150 L-G, 150 N-G, 300 L-L operating voltage
Product Name
Eaton SPD series surge protection device
Catalog Number
SPD120208Y3K
UPC
786685327747
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
120/208V wye (4W+G)
Enclosure
NEMA 1
Mounting Method
External side
Interrupt rating
120 kAIC
Operating voltage
150 L-N, 150 L-G, 150 N-G, 300 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 - SPD120208Y3K
Eaton’s SPD Series (Sidemount Versions) Data Sheet
Feature → Business Impact → Application: SPD120208Y3K delivers a 120 kAIC interrupt rating, protecting connected loads from high-energy transients and reducing the risk of equipment failures in critical applications. This translates to measurable downtime reduction and lower replacement costs in data centers, manufacturing lines, and control panels. The 120/208V wye configuration (4W+G) supports widespread industrial power architectures, enabling straightforward integration with existing electrical distributions and minimizing custom engineering. The NEMA 1 enclosure and external side mounting simplify installation and enclosure protection in indoor environments, delivering faster commissioning and safer serviceability. A standard feature package and surge counter provide visibility into surge activity, supporting proactive maintenance planning and compliance reporting. Long-term reliability is reinforced by a 15-year warranty, helping owners justify total cost of ownership improvements across facilities. Compatibility with Eaton SPD series devices ensures scalable protection across multi‑panel deployments and sidemounted configurations in modern power distribution schemes. The device’s operating voltages (150 L-N, 150 L-G, 150 N-G, 300 L-L) support diverse load types, from PLCs to drives, while preventing nuisance tripping and ensuring predictable protection.
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FAQs
SPD120208Y3K is designed for external sidemount installation in 120/208V wye systems and fits standard NEMA 1 indoor enclosures. Its external mounting reduces panel intrusion, simplifies retrofits, and supports quick integration alongside other Eaton SPD devices in multi‑panel power distributions.
The device offers a 120 kAIC interrupt rating, voltage rating of 120/208V wye (4W+G), and operating points of 150 L-N, 150 L-G, 150 N-G, and 300 L-L. It uses a standard protection package and includes a surge counter for monitoring transient activity.
Yes. With a 120 kAIC rating and indoor‑rated NEMA 1 enclosure, SPD120208Y3K is well suited for data centers, control panels, and industrial manufacturing environments where reliable transient protection and install‑to‑spec efficiency are essential.
SPD120208Y3K carries UL 1449 certification, indicating compliance with safety requirements for surge protection devices. This supports electrical safety programs and helps satisfy industry procurement criteria for mission‑critical power protection.
The built‑in surge counter provides visibility into surge activity, enabling proactive maintenance scheduling. A 15‑year warranty enhances total cost of ownership, reducing replacement frequency and supporting long‑term ROI through lower downtime and safer, more reliable power delivery.