Eaton SPC050480D3P Surge Protection Device - UL 1449
Part Number: SPC050480D3P
Quick Summary
The Eaton SPC050480D3P surge protection device protects 480V delta systems from transient disturbances in industrial facilities. This SPD helps mitigate costly downtime caused by voltage spikes and equipment stress. UL 1449 listing with a NEMA 4X enclosure, a 50 kA surge capacity, and an audible alarm deliver robust protection in challenging environments. Designed for seamless integration with SPC series products, it supports 480V delta distributions and external side mounting, providing reliable protection with a strong total cost of ownership advantage. For engineers and procurement teams, it translates to better uptime, safer equipment operation, and straightforward compatibility across Eaton’s protection portfolio.
Product Information
Extended Description
SPC050480D3P Eaton: Surge Protection Device, SPC series, 50 kA, 480V Delta, NEMA 4X, Audible alarm
Product Name
Eaton SPC series surge protection device
Catalog Number
SPC050480D3P
UPC
786680214790
Product Length/Depth
5.5 in
Product Height
6 in
Product Width
3.19 in
Product Weight
2.5 lb
Warranty
10 year
Certifications
UL 1449
Special features
Audible alarm
Voltage rating
480V Delta
Enclosure
NEMA 4X
Mounting Method
External side
Series
SPC
Feature → Business Impact → Application: The SPC050480D3P delivers a 50 kA surge current rating for 480V delta systems, which reduces the likelihood of transient overvoltages damaging motors, drives, and control panels. This lowers repair costs and minimizes unplanned downtime in heavy industrial processes such as stamping, extrusion, and packaging. Application: ideal for panel boards and switchgear where high-energy transients are common. Feature → Business Impact → Application: The NEMA 4X enclosure protects the SPD from dust, moisture, and washdowns, enabling reliable operation in harsh factory floors and outdoor apparatus beyond the four walls of the control room. Application: outdoor substations, exterior switchgear, and exposed installations requiring rugged protection. Feature → Business Impact → Application: An audible alarm provides immediate fault signaling, accelerating maintenance response and reducing mean time to repair. Application: production lines with centralized monitoring and quick triage needs. Feature → Business Impact → Application: External side mounting simplifies retrofit and field upgrades, cutting installation time and minimizing panel disassembly. Application: upgrading existing 480V delta panels without extensive rewiring. Feature → Business Impact → Application: UL 1449 listing and a 10-year warranty reduce total cost of ownership and reassure compliance during audits. Application: capital projects and long-life installations across manufacturing facilities. Feature → Business Impact → Application: Compact dimensions (5.5 in x 6 in x 3.19 in) and 2.5 lb weight enable flexible placement within crowded electrical cabinets. Application: retrofit projects with limited space in modernized plant layouts.
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FAQs
The SPC050480D3P is designed for external side mounting on compatible 480V delta panel boards. Ensure proper clearance around the enclosure, correct line connection to the panel's L1, L2, L3 (three-phase) terminals, and adherence to local electrical codes. Use Eaton’s datasheet as the installation guide to verify torque specs and wiring diagrams, and verify that the audible alarm is wired to a monitoring circuit if required.
The device provides a 50 kA per mode surge current rating with a 480V Delta voltage rating. This combination targets high-energy transients common in heavy industrial environments, helping to protect motors, drives, and control electronics from damaging voltage spikes while maintaining system availability.
Yes. The SPD uses a NEMA 4X enclosure, which is designed to withstand dust, moisture, and washdown conditions. This makes it appropriate for outdoor or harsh indoor locations such as factory exteriors, loading docks, and wet-processing zones, where protection against the elements is essential.
The SPC050480D3P is UL 1449 listed, indicating compliance with recognized safety standards for surge protective devices. Its NEMA 4X enclosure provides a robust protection rating for challenging environments. The audible alarm adds an immediate fault indication, facilitating quick maintenance responses and aiding regulatory inspections.
With a 10-year warranty and a high surge-capacity rating, the SPC050480D3P reduces maintenance interruptions and replacement frequency for critical equipment. The device helps extend motor and drive life, lowers downtime costs, and provides predictable lifecycle budgeting for industrial plants deploying 480V delta systems.