Eaton SPD100480Y3A Surge Protection Device - UL Listed
Part Number: SPD100480Y3A
Quick Summary
The Eaton SPD100480Y3A surge protection device protects 480Y/277V panelboards from transients. Engineers face nuisance voltage spikes that disrupt controls and shorten equipment life, driving downtime and maintenance costs. This unit carries UL 1449 Listed certification and aligns with IBC 2006, CBC 2007, and UBC Zone 4 requirements for compliant installations. With EMI/RFI filtering delivering up to 50 dB of noise attenuation and an audible alarm with silence button, it improves fault awareness without interrupting operation. Its internal integrated mounting and surge counter simplify installation and monitoring, and it is designed for Direct bus mounted panelboards PRL1a, 2a, 3a, 3e, enabling scalable, reliable protection across evolving electrical distributions.
Product Information
Extended Description
SPD100480Y3A Eaton: Eaton Surge Protection Device, SPD Series, 100 kA per phase, 480Y/277V (4W+G) rating, 320 L-N, 320 L-G, 320 N-G, 640 L-L MCOV, Internal integrated, and surge counter, used with Direct bus mounted panel boards (PRL1a, 2a, 3a, 3e)
Product Name
Eaton SPD series surge protection device
Catalog Number
SPD100480Y3A
UPC
786685317496
Product Length/Depth
9.5 in
Product Height
3.45 in
Product Width
5.4 in
Product Weight
3.5 lb
Warranty
15 year
Certifications
UL 1449 UL Listed
Type
SPD
Special features
Meets or exceeds the requirements specified in IBC ®2006, CBC2007, and UBC®Zone 4. Audible alarm with silence button. Form C relay contact. EMI/RFI filtering, providing up to 50 dB of noise attenuation from 10 kHz to 100 MHz. Surge counter with rest button
Accessories
Standard feature package and surge counter
Frequency rating
50/60 Hz
Interrupt rating
200 kAIC
Nominal Discharge Current
20 kA
Operating voltage
320 L-N, 320 L-G, 320 N-G, 640 L-L
Used with
Direct bus mounted panelboards (PRL1a, 2a, 3a, 3e)
Voltage rating
277/480 wye (4W+G)
Surge current
100 kA per phase
Short-circuit rating
200 kA
Operating temperature
-40 to 50 °C
Mounting Method
Internal integrated
Feature: 100 kA per phase surge current and 200 kA short-circuit rating; Business Impact: robust protection minimizes unexpected outages and equipment damage; Application: ideal for 480Y/277V feeds in industrial facilities. Feature: EMI/RFI filtering up to 50 dB from 10 kHz to 100 MHz; Business Impact: cleaner control signals, reduced EMI-related faults, improved PLC and drive reliability; Application: sensitive automation circuits and motor controls. Feature: Audible alarm with silence button and Form C relay contact; Business Impact: rapid fault notification and easy remote signaling integration; Application: panel monitoring and automated shutdown logic. Feature: Internal integrated mounting; Business Impact: faster, simpler installation with fewer external components; Application: direct bus mounted panelboards PRL1a, 2a, 3a, 3e for scalable protection. Feature: Surge counter with rest button and standard feature package; Business Impact: traceable surge events for maintenance planning and reliability metrics; Application: ongoing protection auditing in mission-critical environments. Feature: 277/480 V wye (4W+G) voltage rating and broad operating range; Business Impact: flexible fit across common industrial power distribution; Application: new builds and retrofit projects seeking compliant protection across multiple panel types.
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FAQs
The SPD100480Y3A is designed for Direct bus mounted panelboards and can be mounted internally, reducing external hardware. When installing, verify system voltage is 277/480 V (4W+G), connect to the designated bus sections, and ensure proper clearance for heat dissipation. Use the built-in surge counter for monitoring and follow Eaton’s wiring diagram for Form C relay outputs.
Key specs include 100 kA per phase surge current, 200 kAIC short-circuit rating, 50/60 Hz frequency rating, and operating voltages of 320 V line-to-neutral/ground and 640 V line-to-line, with a 277/480 V wye rating. It also features EMI/RFI filtering up to 50 dB and a 15-year warranty for long-term protection.
Yes, SPD100480Y3A is UL 1449 listed, ensuring compliance with recognized safety standards for surge protection devices. It also notes compliance with IBC 2006, CBC 2007, and UBC Zone 4 requirements in its feature set, supporting safe installation in a range of commercial and industrial facilities.
This device suits 480Y/277V distribution networks powering PLCs, drives, sensors, and control circuits. It’s particularly effective in facilities using Direct bus mounted panelboards, where compact integration, built-in monitoring, and robust surge handling minimize downtime and extend equipment life across manufacturing lines and processing plants.
The integrated surge counter records event history, enabling proactive maintenance planning and trend analysis. This data helps justify protection investments, reduces unplanned outages, and supports regulatory compliance reporting. When paired with the 15-year warranty, it offers predictable long-term operating costs and improved asset reliability.