Eaton SPD100220Y4K Surge Protection Device - UL 1449
Part Number: SPD100220Y4K
Quick Summary
The Eaton SPD100220Y4K surge protection device protects electrical systems from transient overvoltages in 4‑wire, 127/220 V applications. For engineers and procurement teams, surges drive downtime, damaged drives, and mounting maintenance costs. UL 1449-listed protection, and the indoor-friendly NEMA 1 enclosure design, ensure reliable compliance in cabinet environments, while the unit integrates with Power Xpert SPD for scalable protection. This solution also supports business value by improving power quality, reducing replacement cycles, and simplifying panel modernization in industrial automation and data centers. Its 100 kA per phase rating supports mission-critical loads, delivering measurable reliability gains across electrical distribution networks.
Product Information
Extended Description
SPD100220Y4K Eaton: Eaton Surge Protection Device, SPD Series, 100 kA per phase, 127/220 Wye (4W + G), Power Xpert SPD, NEMA 1 enclosure
Product Name
Eaton SPD series surge protection device
Catalog Number
SPD100220Y4K
UPC
786689405014
Product Length/Depth
3.48 in
Product Height
12.05 in
Product Width
7.47 in
Product Weight
6.8 lb
Certifications
UL 1449
Accessories
Power Xpert SPD
Used with
NEMA 1 enclosure
Voltage rating
127/220 Wye (4W+G)
Surge current
100 kA per phase
Feature: 100 kA per phase surge current rating → Business Impact: Superior spike suppression reduces device damage and unplanned downtime in critical loads; Application: protection for switchgear, motor drives, and PLC-based automation lines. The higher surge capability translates to fewer nuisance trips and longer equipment life in demanding environments. Long-tail keywords: 100 kA per phase surge, surge protection for industrial systems. Feature: 127/220 V Wye (4W + G) configuration → Business Impact: Seamless compatibility with common industrial power distribution without rewiring; Application: control panels and cabinet assemblies adopting 4-wire plus ground. This simplifies retrofit projects and panel modernization while maintaining alignment with standard electrical design practices. Long-tail keywords: 127/220 V Wye, 4W plus G protection. Feature: UL 1449-listed design → Business Impact: Regulatory compliance and safety assurance reduce compliance risk during audits; Application: any indoor installation within commercial or industrial cabinets. Long-tail keywords: UL 1449 surge protection, electrical safety. Feature: NEMA 1 enclosure suitability → Business Impact: Indoor, cabinet-rated protection ensures robust environmental resilience and ease of installation; Application: panelboards and switchgear housings in controlled environments. Long-tail keywords: NEMA 1 enclosure, indoor protection. Feature: Power Xpert SPD compatibility → Business Impact: Scalable protection architecture supports future-proofing and centralized monitoring; Application: multi-panel installations and data center deployments. Long-tail keywords: Power Xpert SPD, scalable surge protection. Feature: Compact footprint and weight (3.48 in depth, 7.47 in width, 12.05 in height, 6.8 lb) → Business Impact: Easier mounting and retrofit feasibility in crowded panels; Application: retrofit projects and new builds requiring space efficiency. Long-tail keywords: compact surge protector, panel retrofit.
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FAQs
Install the SPD100220Y4K inside a standard NEMA 1 indoor enclosure per the Eaton installation guide. Connect the 4W plus ground wiring to the distribution bus and ensure proper clearance for heat dissipation. Verify UL 1449 labeling after mounting and test with a prescribed surge test to confirm correct operation.
The SPD100220Y4K provides 100 kA per phase surge current protection, delivering robust spike suppression for critical loads and reducing the risk of equipment damage during transient events.
Yes. The SPD100220Y4K is designed to be used with Power Xpert SPD accessories, enabling scalable protection across multiple panels and enabling centralized monitoring in larger installations.
The unit is UL 1449-listed for surge protection, and it is designed for indoor use in a NEMA 1 enclosure, aligning with common industry safety and installation practices.
By reducing transient damage and downtime, extending component life, and enabling easier panel modernization, the SPD100220Y4K lowers maintenance costs and improves overall power reliability in automation and control environments.