Eaton SP1-480D Surge Protective Device - UL 1449
Part Number: SP1-480D
Quick Summary
The Eaton SP1-480D surge protective device is designed to shield three-phase electrical systems from transient overvoltages in industrial and commercial installations. In automation and manufacturing environments, surges from switching events or lightning can trigger nuisance trips, sensor damage, and extended downtime. UL 1449 certification provides safety and performance verification, while the SP1-480D handles up to 50 kAIC on a 480 delta (3W+G) lines. Its compact footprint and clear voltage rating support reliable protection across control panels, motor drives, and energy systems, during demanding production cycles. By delivering fast response and proven durability, it reduces maintenance costs and extends equipment life.
Product Information
Extended Description
SP1-480D Eaton: Eaton Surge Protection Device, SP1 series, 50 kAIC, 480 delta, 640 L-L, 640 L-G operating voltage, Three-phase
Product Name
Eaton SP1 surge protective device
Catalog Number
SP1-480D
UPC
786685448367
Product Length/Depth
2.5 in
Product Height
4.8 in
Product Width
2.9 in
Product Weight
1.25 lb
Warranty
2 year
Certifications
UL 1449
Voltage rating
480 delta (3W+G)
Phase
Three-phase
Type
SP1
Feature: 50 kAIC surge capacity. Business Impact: strong defense against high-energy transients, reducing equipment damage and unplanned downtime. Application: ideal for automation panels, motor drives, and critical loads in 480V delta networks. Feature: 480 delta (3W+G) with line-to-line and line-to-ground protection. Business Impact: coordinated protection across all conductors, enhancing system reliability and longevity. Application: three-phase machine cells, conveyors, and robotics power feeds. Feature: Compact dimensions (2.5 in L x 2.9 in W x 4.8 in H) and 1.25 lb weight. Business Impact: easier field installation and panel space optimization, lowering mounting time and freight costs. Application: space-constrained control panels and legacy enclosures. Feature: 2-year warranty and UL 1449 certification. Business Impact: risk reduction and predictable maintenance planning, supporting compliance programs and total cost of ownership. Application: plant-wide protection programs and OEM specifications. Feature: Specification compatibility and datasheet availability. Business Impact: clear documentation accelerates design-in and commissioning, reduces errors and support time. Application: engineering specs, procurement packages, and field retrofits.
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FAQs
Yes, SP1-480D is designed for 480V delta three-phase systems. Its compact dimensions (2.5 in L x 2.9 in W x 4.8 in H, 1.25 lb) help with tight panel spaces, and its three-phase configuration aligns with common industrial motor control and automation panels. Verify panel clearance and ensure proper line and ground connections per the datasheet for safe operation.
SP1-480D delivers 50 kAIC surge current capability and is rated at 480 delta (3W+G). It provides protection across line-to-line (L-L) and line-to-ground (L-G) with documentation indicating 640 V L-L and 640 V L-G operating voltages. This combination supports reliable protection for high-energy industrial transients.
Yes. The SP1-480D is tailored for three-phase industrial environments, including automation panels and motor drive feeds at 480V delta. Its UL 1449 certification and substantial surge rating make it suitable for safeguarding sensitive automation equipment, reducing downtime and maintenance costs in manufacturing lines.
SP1-480D carries UL 1449 certification, providing recognized safety and performance validation for surge protection devices used in industrial power systems. This certification helps support compliance programs and supplier qualification for electrical installations.
The SP1-480D includes a 2-year warranty, offering protection against manufacturing defects and supporting predictable maintenance budgeting. By reducing surge-related damage and downtime, the device helps lower lifecycle costs and improve uptime in critical automation processes.