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Due to its location and atmospheric conditions, state of Oklahoma is one of the areas with the most lightning events in the year. For sensitive electrical equipment installed outdoors this presents multiple challenges: equipment damage and downtime and, ultimately, loss of business revenue.

During the years, Sandridge oil and gas pumps, located in remote areas experienced multiple failures and damages resulting in +$1M repair costs.



Outdoor rated NEMA 4X enclosures and industry Leading TPMOV Technology make Mersen product superior to competition.

Surge-Trap STXT Series SPD

Mersen Surge-Trap® STXT SPDs

  • NEMA 4X enclosure
  • Industry-leading TPMOV Technology
  • Premium 200kA surge capacity for longer life and higher single impulse withstand
  • EMI/RFI Filter
  • Panel or Wall Mount



Mersen products prevented any further damages and there were zero failures in the field after SPD installations.