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Mersen: Surge-Trap Pluggable STP-75 Series

June 4, 2026 - Mersen Surge-Trap Pluggable STP-75 Series 1

June 4, 2026

Surge-Trap Pluggable STP-75 Series Surge Protective Device Delivers a DIN-Rail Mountable, Compact, Fail-Safe Self-Protected Design with Visual Indicator

Mersen’s Surge-Trap Pluggable STP-75 Series Surge Protective Device (SPD) is a no-fuse, failsafe surge suppressor featuring their TPMOV technology inside – no need for additional overcurrent protection. The STP-75 Series is DIN-rail mountable featuring a fail-safe self-protected design, visual indicator, and a small footprint. A remote indicator provides status to critical control circuitry, and its high short circuit current rating makes it suitable for most industrial control panels.

Key Features & Benefits

  • Designed with industry recognized Mersen TPMOV technology
  • Easy installation or retrofit
  • Reversible chassis allows cable entry from top or bottom
  • Replaceable modules with mechanical coding to avoid replacement errors
  • 5-year warranty

Applications

  • Industrial Control Panels
  • Water Treatment
  • Smart Grid & LV Metering
  • Traffic / ITS Applications
  • Intended for use on a wide range of low voltage applications inside appropriate enclosures
June 4, 2026 - Mersen Surge-Trap Pluggable STP-75 Series 1

Technical Specifications

Frequency (Hz)50/60 Hz
UL SPD TypeType 1 Component Assembly
Flammability RatingUL94 V0
Wire TypeSolid / Stranded CU
UL Category CodeVZCA2
CSA File Number162842
Reach CompliantYes
Max Operating Temp.85 °C
Min Operating Temp.-40 °C
Max Storage Temp.85 °C
Min Storage Temp.-40 °C
Harmonized System853630
UL File NumberE210793
Degree of Protection (IP)IP20

For more information on Mersen solutions HERE

June 4, 2026 - Mersen Surge-Trap Pluggable STP-75 Series 1

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