Eaton SP3-208Y Surge Protective Device - 50 kAIC
Part Number: SP3-208Y
Quick Summary
Eaton SP3-208Y surge protective device protects three-phase 120/208V systems from transient overvoltages. Engineers often struggle to specify a compact SPD that fits in tight panels while delivering reliable protection. Note that the data here lists a 50 kAIC rating and three-phase 120/208V configuration; verify certifications such as CE or UL and any IP ratings with the supplier. Using this SP3 device aligns with established industrial protection strategies, helping reduce downtime, extend equipment life, and lower maintenance costs. It also supports standard compatibility with Eaton SP3 series installations, offering predictable performance in commercial and light-industrial environments.
Product Information
Extended Description
SP3-208Y Eaton: Eaton Innovative Technology Protector surge protective device, Surge Protection Device, SP3 series, 50 kAIC, 120/208 wye, three phase
Product Name
Eaton SP3 surge protective device
Catalog Number
SP3-208Y
UPC
786689805555
Product Length/Depth
2.5 in
Product Height
4.8 in
Product Width
2.9 in
Product Weight
1.25 lb
Feature: 50 kAIC surge current rating provides strong transient protection for critical equipment. Business Impact: Reduces the likelihood of damage from high-energy surges, lowering repair costs and downtime. Application: Ideal for panel boards and distribution centers in industrial automation setups. Feature: Three-phase 120/208V wye configuration supports common commercial power systems. Business Impact: Ensures consistent protection across all phases, enabling reliable equipment operation in manufacturing lines. Application: Suitable for industrial controls and automated machinery in mixed-use facilities. Feature: Compact physical footprint (2.5 in depth, 4.8 in height, 2.9 in width) with a 1.25 lb weight. Business Impact: Easier installation in crowded panels and retrofit projects, reducing labor time and enclosure space requirements. Application: Retrofit of existing Eaton SP3 deployments and new panel designs where space is at a premium. Feature: SP3 series compatibility assures plug-in reliability and streamlined maintenance. Business Impact: Simplifies lifecycle management and spare parts alignment, lowering total cost of ownership. Application: Upgrade programs and multi-site deployments in automation environments. Feature: Durable construction and proven protection performance support reduced service interruptions. Business Impact: Improves uptime and extends asset life in critical process lines. Application: Data centers, manufacturing lines, and commercial electrical infrastructure seeking robust surge protection.
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FAQs
To install the SP3-208Y, first ensure power is de-energized and you have adequate panel space for the device’s 2.5 in depth, 4.8 in height, and 2.9 in width. Mount according to the SP3 series wiring diagram, connect the three phase lines (L1, L2, L3) and neutral as specified, and secure with appropriate terminals. Always consult the Eaton datasheet for exact wiring details and torque values and verify compatibility with your panel design.
The SP3-208Y is rated for 50 kAIC surge current, providing robust protection against high-energy transient events such as lightning-induced surges and switching transients. This rating helps limit voltage elevations across all three phases in a 120/208V system, reducing the risk of damage to connected equipment and downstream protection devices in industrial applications.
Yes, the SP3-208Y is well-suited for industrial automation panels and can be used in data centers that operate on 120/208V three-phase power. Its three-phase protection capability helps safeguard sensitive equipment, controllers, and drives from transient events, contributing to higher uptime and more predictable power quality in mission-critical environments.
Verify the specific certifications with Eaton or the datasheet before procurement. Common requirements in industrial settings include UL listings and CE marking for electrical protection devices, as well as any applicable IP ratings for enclosure protection. If your project mandates certain standards, request formal certification documentation from the supplier to confirm compliance.
SP3-208Y delivers predictable protection against transients, reducing the frequency and cost of downstream component failures. By mitigating surge-related damage, you can lower spare parts usage, minimize downtime, and extend the life of downstream equipment such as drives and controllers. Over multi-site deployments, this translates to measurable maintenance savings and improved overall equipment effectiveness.