Eaton SPD100240S3B Surge Protection Device - UL 1449 Listed
Part Number: SPD100240S3B
Quick Summary
The Eaton SPD100240S3B surge protection device provides reliable transient protection for 120/240 V split single-phase systems in switchgear. Many installations face nuisance surges and unexplained outages that disrupt production and shorten equipment life. This SPD carries UL 1449 Listed certification, EMI/RFI filtering, and a wide operating temperature range of -40 to 50 °C, ensuring dependable performance in challenging environments. With audible alarm, surge counter, and an internal integration design, it reduces maintenance time and supports remote-display switchgear compatibility. By combining industry-standard protection with clear fault signaling, it helps engineers and procurement teams meet uptime targets while controlling lifecycle costs.
Product Information
Extended Description
SPD100240S3B Eaton: Eaton Surge Protection Device, SPD Series, 100 kA per phase, 120/240V split single-phase rating, 150 L-N, 150 L-G, 150 N-G, 300 L-L MCOV, Internal integrated, and surge counter, used with Switchgear with remote display
Product Name
Eaton SPD series surge protection device
Catalog Number
SPD100240S3B
UPC
786685319247
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
120/240 V split single-phase
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 with 200 kAIC short-circuit rating; Business Impact: provides high-energy transient protection, minimizing downstream equipment damage and unplanned downtime; Application: ideal for protection of switchgear and panelboards in critical industrial installations. Feature: Nominal Discharge Current 20 kA and 120/240 V split single-phase voltage rating; Business Impact: ensures compatibility with common US distribution, enabling straightforward integration into existing panels; Application: used in commercial/industrial control cabinets. Feature: EMI/RFI filtering up to 50 dB from 10 kHz to 100 MHz; Business Impact: reduces electrical noise that can affect sensors and controllers, improving process stability; Application: precise control panels and motor drives. Feature: Audible alarm with silence button and Form C relay contact; Business Impact: immediate fault signaling and remote signaling compatibility streamline maintenance workflows; Application: critical protection loops in energy-intensive environments. Feature: Internal integrated mounting and compatibility with switchgear with remote display; Business Impact: simplifies installation with a compact footprint and seamless status visibility; Application: organized panel layouts with remote display systems. Feature: Surge counter with rest button and 15 year warranty; Business Impact: easy fault diagnosis, lower maintenance costs, and long-term total cost of ownership reduction; Application: long-life protection for industrial equipment and facilities.
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FAQs
Plan for a straightforward integration by confirming panel dimensions fit the internal mounting design, wiring the device per Eaton's specification sheet, and connecting the remote-display interface to the switchgear controller. Ensure the Form C relay contact is wired for fault signaling and test the audible alarm before commissioning to verify proper operation.
Key ratings include 100 kA per phase surge current, 200 kAIC short-circuit rating, 20 kA nominal discharge current, and a 120/240 V split single-phase voltage rating with 50/60 Hz operation. It also provides 300 L-L MCOV and an operating temperature range of -40 to 50 °C.
Yes. With a robust 100 kA per phase interrupt rating, EMI/RFI filtering, audible signaling, and a Form C relay, the device is well-suited for industrial control panels and switchgear assemblies that demand reliable surge protection and clear fault signaling in noisy electrical environments.
The device is UL 1449 Listed, offering recognized safety conformity. It includes EMI/RFI filtering for noise reduction and is designed for operation across -40 to 50 °C, supporting dependable performance in harsh settings.
A 15-year warranty, built-in surge counter with rest button, and audible signaling provide proactive fault identification and long-term protection. The device helps reduce downtime, extends equipment life, and lowers total cost of ownership by delivering durable, compliant surge protection in critical facilities.