Eaton SPD120208Y3B Surge Protection Device - UL 1449 Listed
Part Number: SPD120208Y3B
Quick Summary
SPD120208Y3B is a surge protection device designed for 208Y/120V systems to shield critical equipment from transient overvoltages. Unprotected circuits can suffer nuisance trips, equipment damage, and costly downtime when surges strike switchgear. This Eaton model is UL 1449 Listed and includes EMI/RFI filtering, a surge counter with a rest button, and a Form C relay contact for remote signaling. It also meets or exceeds industry guidelines such as IBC 2006, CBC 2007, and UBC Zone 4, providing a robust compliance stance for commercial and industrial installations. For panel builders and maintenance teams, this device offers predictable protection, compatibility with switchgear with remote display, and a clear value proposition for reliability and uptime.
Product Information
Extended Description
SPD120208Y3B Eaton: Eaton Surge Protection Device, SPD Series, 120 kA per phase, 208Y/120V (4W+G) rating, 150 L-N, 150 L-G, 150 N-G, 300 L-L MCOV, Internal integrated, Standard feature package and surge counter, used with Switchgear with remote display
Product Name
Eaton SPD series surge protection device
Catalog Number
SPD120208Y3B
UPC
786685319568
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
150 L-N, 150 L-G, 150 N-G, 300 L-L
Used with
Switchgear with remote display
Voltage rating
120/208 wye (4W+G)
Surge current
120 kA per phase
Short-circuit rating
200 kA
Operating temperature
-40 to 50 °C
Mounting Method
Internal integrated
Feature: High-energy surge protection with 120 kA per phase capacity. Business Impact: Reduces risk of equipment damage from lightning and utility transients, lowering replacement costs and downtime in demanding industrial environments. Application: Ideal for control panels, motor starters, and protection schemes in 208Y/120V distributions. Long-tail keywords: high-energy surge protection, 120 kA per phase devices, transient suppression for switchgear. Feature: Robust fault protection with a 200 kAIC short-circuit rating. Business Impact: Provides strong protection against internal faults, preventing escalation to downstream equipment and production stoppages. Application: Critical for data centers and machine rooms with sensitive electronics. Feature: Compatible 120/208V WYE system voltage with 4W+G configuration (L-N, L-G, N-G, L-L). Business Impact: Simplifies integration into existing three-phase infrastructure, reducing install time and wiring errors. Application: New builds and retrofit projects in manufacturing lines. Feature: EMI/RFI filtering delivering up to 50 dB attenuation from 10 kHz to 100 MHz. Business Impact: Improves signal integrity for sensors and controllers, reducing erratic behavior and nuisance alarms. Application: Instrumentation and control loops in PLC and HMI networks. Feature: Audible alarm with silence button and surge counter with rest button. Business Impact: Enables proactive maintenance and rapid incident response, improving uptime metrics. Application: Remote signaling and fault history in switchgear with remote display. Feature: Internal integrated mounting and compatibility with switchgear with remote display. Business Impact: Streamlines installation with minimal external hardware and ensures seamless integration into existing protection schemes. Application: Panel builders and OEMs targeting modular protection in compact enclosures. Feature: 15-year warranty and UL 1449 Listed certification. Business Impact: Provides long-term reliability and regulatory assurance, reducing lifecycle risk and total cost of ownership. Application: Retail, industrial facilities, and critical process environments requiring documented standards.
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FAQs
SPD120208Y3B is designed for 120/208V systems and supports 4W+G configurations. It installs internally within compatible switchgear and can interoperate with remote-display panels, reducing wiring complexity and facilitating a straightforward retrofit or new-build protection scheme.
Key specs include 120 kA per phase surge current, 200 kAIC short-circuit rating, nominal discharge current of 20 kA, and voltage rating of 120/208V. It operates from 50/60 Hz and supports -40 to 50 °C ambient conditions, with an internal mounting method for streamlined installation.
Yes. The device is UL 1449 Listed and meets regulatory expectations for commercial and industrial installations. It also aligns with code guidance such as IBC 2006, CBC 2007, and UBC Zone 4, ensuring robust safety and performance in your protection scheme.
By delivering high-energy surge protection and a surge counter with rest, it minimizes unplanned downtime, extends equipment life, and simplifies maintenance planning. EMI/RFI filtering also improves signal integrity for critical controllers, contributing to higher overall system reliability.
The unit carries a 15-year warranty and includes an audible alarm with silence function and a surge counter for ongoing monitoring. Regular checks of the counter and alarm status support proactive protection and predictable lifecycle management.