STFV Plus Series

Active Tracking® Filtering with Surge Protection.

The STFV Plus Series combines Active Tracking filtration for low energy noise and surge protection for high energy transients. 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’re 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.

STFV Plus Series Catalog Pages

Applications Features Catalog Numbers Product Downloads
  • Branch and control panels
  • Factory automation installations
  • Point-of-use industrial service equipment
  • Dedicated industrial and machine tools equipment
  • Telecommunications and IT equipment


STFV Plus Series


Surge Brochure 

Surge Protection Brochure

STFE Elite

STFE Elite Brochure