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Mersen Introduces New and Improved STP Series Featuring a 75kA Surge Rating

23-06-2017  -  New products
PHP STP Surge Trap Pluggable-SPDs DIN-Rail-4 and 1-Pole-Mersen

Mersen is pleased to introduce an upgrade of the Surge-Trap® Pluggable Series of surge protective devices (SPDs), improving overvoltage protection for DIN-Rail applications. The new product features an industry-leading 75kA surge capacity rating, while using Mersen’s patented TPMOV technology inside. The design includes optional remote indication, an expanded wire gauge range from 4-14 AWG, and is MIL-STD-810E vibration tested, ensuring safety and secureness in harsh applications.

UL 1449 4th Edition approved, Mersen’s new and improved STP series is DIN-rail mountable featuring a fail-safe self-protected design, visual indicator, and a small footprint. The Surge-Trap Pluggable SPD has a high short circuit rating and a thermally protected MOV, which eliminates the need for additional overcurrent protection devices.

“Mersen’s new Surge Trap Pluggable series is one of a kind,” states Gabriel Ledru, VP Global Product Line, Surge Protection. “It is the only DIN-rail surge device on the UL market to feature a 75kA surge capacity rating, while also not requiring back-up fusing. Additionally, the new series is still made with Mersen’s patented TPMOV technology, ensuring the safest product on the market and the reliability of the Mersen brand. This improved solution is ideal for UL508A panel builders and industrial control applications.”

For more information about Mersen’s STP series Surge-Trap Surge Protective Devices, visit Mersen’s website at