Eaton SPC120480D8P Surge Protection Device - UL 1449
Part Number: SPC120480D8P
Quick Summary
Eaton SPC120480D8P surge protection device protects critical electrical systems in industrial facilities by limiting voltage spikes. Power disturbances translate into unplanned downtime, damaged equipment, and rising maintenance costs, making robust protection essential. This SPD is UL 1449 certified and housed in a rugged NEMA 4X enclosure, designed to withstand harsh plant environments while delivering reliable surge suppression. With a 120 kAIC interrupt rating, it defends 480V delta networks from high-energy transients. In addition to surge control, it provides filtering, an alarm, and a Form C relay for real-time monitoring and integration with plant control—delivering proactive protection without complicating existing wiring. This model pairs well with automation panels, switchgear, and protective relays, supporting scalable OEM installations and aftermarket retrofits.
Product Information
Extended Description
SPC120480D8P Eaton: Surge Protection Device, SPC series, 120 kA, 480V Delta, NEMA 4X, Filtering, Alarm and Form C relay
Product Name
Eaton SPC series surge protection device
Catalog Number
SPC120480D8P
UPC
786680219030
Product Length/Depth
7.5 in
Product Height
8.5 in
Product Width
3.19 in
Product Weight
4 lb
Warranty
10 year
Certifications
UL 1449
Type
Surge protection device
Special features
Filtering, Alarm & Form C relay
Voltage rating
480V Delta
Enclosure
NEMA 4X
Mounting Method
External side
Interrupt rating
120 kAIC
Series
SPC
SPC120480D8P features a 120 kAIC interrupt rating for 480V Delta systems, delivering high-energy surge suppression when line transients strike. This directly reduces equipment wear, protects motor drives, and cuts unplanned downtime, translating into lower maintenance costs and longer asset life. It’s ideal for automation panels, switchgear, and machine controls in manufacturing and process environments where reliability is non-negotiable. Filtering minimizes common-mode and differential transients, improving signal integrity for PLC inputs and instrumentation. An integral alarm and Form C relay enable remote fault signaling and integration with condition monitoring, reducing mean time to detect issues and streamlining preventive maintenance. The rugged NEMA 4X enclosure supports outdoor or washdown environments, while external side mounting simplifies retrofit and panel installation in tight spaces.
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FAQs
Installers should plan external side mounting in a suitable panel or compartment with at least adequate clearance for wiring, heat dissipation, and service access. Use proper torque on terminations, observe the device’s 7.5 in depth and 3.19 in width footprint, and route conductors to minimize EMI. The 120 kAIC rating supports high-energy events, but confirm compatible upstream protection and coordination with other SPD devices in the same network.
The SPC120480D8P provides a 120 kAIC interrupt rating, designed to absorb and divert high-energy transients from 480V delta sources. This protection reduces insulation stress on drives, PLCs, and sensors, lowering failure rates and maintenance costs while helping to maintain productive uptime in automation environments.
Yes. The unit uses a NEMA 4X enclosure, offering protection against water and dust ingress in outdoor or washdown environments. The external side mounting configuration supports retrofit into existing panels without extensive enclosure modifications, making it a practical option for rugged industrial facilities requiring reliable protection in challenging conditions.
This surge protection device carries UL 1449 certification, indicating compliance with recognized safety standards for SPD products. The rugged NEMA 4X enclosure complements these protections by ensuring environmental resilience in both indoor and outdoor deployments. A 10-year warranty further supports long-term reliability and total cost of ownership considerations.
By reducing transient-induced equipment wear and unexpected downtime, the SPC120480D8P helps extend the life of motors, drives, and controllers. The built-in alarm and Form C relay enable proactive maintenance, while the 10-year warranty lowers replacement risk. For investments, expect lower maintenance labor costs and improved process uptime in automation-heavy facilities.