Eaton SPD100240S1A Surge Protection Device - UL Listed
Part Number: SPD100240S1A
Quick Summary
The Eaton SPD100240S1A surge protection device shields 120/240 V split-phase circuits in industrial and commercial panels. Power surges can inflict costly downtime and equipment failures, making robust protection essential. This unit carries UL 1449 listing and aligns with IBC, CBC, and UBC Zone 4 requirements to support code compliance and reliability. Designed for direct bus mounted panelboards PRL1a, 2a, 3a, 3e, it installs quickly and provides EMI/RFI filtering and diagnostics to strengthen your protection strategy.
Product Information
Extended Description
SPD100240S1A 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, used with Direct bus mounted panel boards (PRL1a, 2a, 3a, 3e)
Product Name
Eaton SPD series surge protection device
Catalog Number
SPD100240S1A
UPC
786685317243
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
Basic feature package
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
Direct bus mounted panelboards (PRL1a, 2a, 3a, 3e)
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
High surge capability and reliable protection logic deliver tangible business outcomes. The SPD100240S1A supports 100 kA per phase surge current with a 200 kAIC short-circuit rating, reducing the risk of nuisance tripping and protecting critical loads across industrial controls and service panels. This translates to lower maintenance costs and extended asset life in data centers, manufacturing lines, and process environments. Audible alarm with a silence button and a Form C relay contact enables immediate fault signaling and easy integration with building management or control systems. EMI/RFI filtering delivers up to 50 dB attenuation from 10 kHz to 100 MHz, minimizing interference with sensitive electronics and helping maintain process stability and regulatory compliance. Internal integrated mounting and compatibility with Direct bus mounted panelboards PRL1a, 2a, 3a, 3e streamline installation, save panel space, and simplify wiring for retrofit or new builds. The unit supports 50/60 Hz operation and covers operating temperatures from -40 to 50 °C, ensuring reliable protection in diverse environments. With a 15-year warranty and UL listing, you gain long-term reliability and a clear return on investment.
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FAQs
SPD100240S1A is designed for direct bus mounted panelboards PRL1a, 2a, 3a, and 3e. It installs with internal mounting features that simplify wiring and reduce the physical footprint on the panel. When selecting this unit, verify it matches the panel’s bus configuration and ensure clearances meet enclosure specifications for safe, compliant installation.
The device offers 100 kA per phase surge current with a 200 kAIC short-circuit rating, delivering robust transient protection for 120/240 V split-phase systems. This combination helps minimize damage to connected equipment and reduces unplanned downtime in demanding industrial environments.
Yes, SPD100240S1A is UL 1449 listed. It also aligns with critical compliance benchmarks such as IBC, CBC, and UBC Zone 4 requirements, supporting safer installations in regulated facilities. The device’s EMI/RFI performance and overall protection features contribute to meeting EMC-related expectations in modern electrical systems.
The unit includes an audible alarm with a silence button and a Form C relay contact for remote signaling. This enables straightforward health monitoring, rapid fault notification, and integration with a facility’s BMS or monitoring system, reducing mean time to repair and improving proactive maintenance planning.
By delivering high surge protection, reliable monitoring, and easy integration with direct bus mounted panelboards, the SPD100240S1A reduces downtime, protects valuable equipment, and supports compliance with safety and building codes. Its long 15-year warranty further lowers total cost of ownership for facilities seeking resilient power distribution.