SolaHD STFE Elite Series Filters
STFE Series

Active Tracking® Filtering with Surge Protection

The DIN rail mounted STFE Elite Series combines Active Tracking® technology with UL Listed surge protection to protect against the full spectrum of voltage transients and surges. These devices protect your equipment by continuously tracking input AC power and responding instantly to high voltage transients and high frequency noise caused by everyday events such as turning on machinery, motors, or equipment. They are available as hardwired, single phase units in a wide range of amperage ratings to meet your requirements, and are designed for years of trouble-free operation with little or no user intervention after installation.


  • Industry-Leading IEEE C62.41 Category A and B Ringwave Protection
  • 45,000 Amps UL Listed Surge Current Capacity
  • Transient Protection in All Modes (L-N, L-G, and N-G)
  • Single-Phase Applications Up to 20 Amps
  • 5-Year Limited Warranty

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