Eaton SPC120240H3P Surge Protection Device - UL 1449
Part Number: SPC120240H3P
Quick Summary
Surge protection device safeguards critical electrical systems against transients in 240V delta industrial installations. For engineers facing downtime and equipment damage from transient events, reliable protection is essential. UL 1449 listing ensures safety performance, while a rugged NEMA 4X enclosure withstands dust, water, and harsh environments; an audible alarm provides immediate fault awareness. This SPC120240H3P combination delivers rapid response with 120 kAIC protection and external side mounting, translating into reduced maintenance costs and minimized production interruptions. With Eaton’s SPC series, you gain a proven, scalable solution for industrial panels, motor control centers, and outdoor equipment that aligns with safety and economics.
Product Information
Extended Description
SPC120240H3P Eaton: Surge Protection Device, SPC series, 120 kA, 240V High Leg Delta, NEMA 4X, Audible alarm
Product Name
Eaton SPC series surge protection device
Catalog Number
SPC120240H3P
UPC
786685999623
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
Audible alarm
Voltage rating
240V delta (4W+G)
Enclosure
NEMA 4X
Mounting Method
External side
Interrupt rating
120 kAIC
Series
SPC
Feature: 120 kAIC interrupt rating and UL 1449 listing. Business Impact: High surge tolerance reduces the likelihood of equipment damage during transients, lowering repair costs and downtime. Application: Best for 240V delta industrial panels and motor control centers where transient events are common. Feature: NEMA 4X enclosure. Business Impact: Weatherproof and dust-resistant protection extends service life in harsh environments, reducing unscheduled maintenance. Application: Outdoor equipment and damp locations. Feature: Audible alarm. Business Impact: Immediate fault notification improves mean time to identify and respond to surge events, enhancing asset protection. Application: Plant-wide protection schemes and centralized monitoring. Feature: External side mounting. Business Impact: Easier retrofits and installation in existing panels, lowering labor costs and downtime. Application: Upgrades to legacy electrical systems without extensive enclosure modifications. Feature: 240V delta (4W+G) rating and SPC series reliability. Business Impact: Consistent protection across critical loads with a scalable family solution, delivering predictable performance. Application: Industrial distribution, control panels, and outdoor installations requiring robust surge suppression.
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FAQs
Key specs include 120 kAIC interrupt rating, 240V delta (4W+G) operation, NEMA 4X enclosure, UL 1449 listing, audible alarm, external side mounting, and a 10-year warranty. It weighs about 4 lb and fits within a compact 7.5 in depth by 8.5 in height by 3.19 in width form factor.
The device uses external side mounting for straightforward installation. Plan for adequate clearance and proper panel interface, then mount on the exterior side of the enclosure as specified by the installation sheet. This simplifies retrofits and minimizes intrusive work inside control cabinets.
Yes. The NEMA 4X enclosure provides weather and dust protection suitable for outdoor or harsh environments, helping ensure reliable surge protection for outdoor equipment and exposed panels.
The audible alarm signals a surge event or fault condition requiring attention. Upon alarm, verify system loads, inspect connected equipment for transient damage, consult the specification sheet, and replace the SPD if necessary to restore full protection and minimize risk to downstream devices.
By limiting transient overvoltages, the SPC120240H3P reduces equipment wear, minimizes unplanned outages, and shortens maintenance cycles. Over time this translates to lower repair costs, less production interruption, and improved asset longevity in manufacturing, processing, and utility-adjacent facilities.