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Long Term Protection Against Damaging Low Voltage/High Frequency Noise.

The STF Series offers original active tracking technology to guard against, low voltage/high frequency energy transients. Electrical noise caused by everyday events—for example, turning on machinery, motors or equipment—can be very damaging over time. STF Active Tracking® Filters protect your equipment by continuously tracking the input AC power line and eliminating electrical noise using a low-pass or L-C filter consisting of a series of load dependent inductors, capacitors and resistors. Sized appropriately to handle the maximum current draw on the line, these filters are capable of absorbing a large bandwidth of noise.

STF filters are available in a wide variety of voltage and amperage ratings, for both single and three phase power. They are hardwired and designed for years of trouble free operation, requiring little or no user intervention after installation.

STF Series Active Tracking Filter Catalog Pages

Applications
  • Branch and control panels
  • Factory automation installations
  • Point-of-use industrial service equipment
  • Dedicated industrial and machine tools equipment
  • Telecommunications equipment
Features
  • Industry leading IEEE Category A protection, typically reducing normal mode transients to +/– 5 volts
  • Non-degrading, series filter technology for durability, with mean time between failures (MTBF) greater than 100,000 hours (Mil-217F)
  • High-frequency noise filter, RLC low-pass filter
  • Attenuates noise to 40 dB in frequency range of 50 KHz to 50 MHz
  • Hardwired connection
  • Designed to meet UL 1283 (single phase models) and CSA C22.2 No. 8 for electromagnetic interference
  • Three phase applications up to 200 amps
  • Operating temperature from –40°C/–40°F to 45°C/113°F
  • Harmonic filtering
  • 10 year limited warranty
Product downloads




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Sola Hevi Duty STF0150-10Y
Sola Hevi Duty STF0150-10Y

ACT TRAC FILTER 15A 208V Y 3PH more info
Sola Hevi Duty STF0150-24D
Sola Hevi Duty STF0150-24D

ACT TRAC FILTER 15A 240V D 3PH more info
Sola Hevi Duty STF0150-27Y
Sola Hevi Duty STF0150-27Y

ACT TRAC FILTER 15A 480V Y 3PH more info
Sola Hevi Duty STF0150-48D
Sola Hevi Duty STF0150-48D

ACT TRAC FILTER 15A 480V D 3PH more info
Sola Hevi Duty STF0300-10Y
Sola Hevi Duty STF0300-10Y

ACT TRAC FILTER 30A 208V Y 3PH more info
Sola Hevi Duty STF0300-24D
Sola Hevi Duty STF0300-24D

ACT TRAC FILTER 30A 240V D 3PH more info
Sola Hevi Duty STF0300-27Y
Sola Hevi Duty STF0300-27Y

ACT TRAC FILTER 30A 480V Y 3PH more info
Sola Hevi Duty STF0300-48D
Sola Hevi Duty STF0300-48D

ACT TRAC FILTER 30A 480V D 3PH more info
Sola Hevi Duty STF0500-10Y
Sola Hevi Duty STF0500-10Y

ACT TRAC FILTER 50A 208V Y 3PH more info
Sola Hevi Duty STF0500-24D
Sola Hevi Duty STF0500-24D

ACT TRAC FILTER 50A 240V D 3PH more info
Sola Hevi Duty STF0500-27Y
Sola Hevi Duty STF0500-27Y

ACT TRAC FILTER 50A 480V Y 3PH more info
Sola Hevi Duty STF0500-48D
Sola Hevi Duty STF0500-48D

ACT TRAC FILTER 50A 480V D 3PH more info
Sola Hevi Duty STF1000-10Y
Sola Hevi Duty STF1000-10Y

ACT TRAC FILTER 100A 208V Y 3P more info
Sola Hevi Duty STF1000-24D
Sola Hevi Duty STF1000-24D

ACT TRAC FILTER 100A 240V D 3P more info
Sola Hevi Duty STF1000-27Y
Sola Hevi Duty STF1000-27Y

ACT TRAC FILTER 100A 480V Y 3P more info
Sola Hevi Duty STF1000-48D
Sola Hevi Duty STF1000-48D

ACT TRAC FILTER 100A 480V D 3P more info
Sola Hevi Duty STF2000-10Y
Sola Hevi Duty STF2000-10Y

ACT TRAC FILTER 200A 208V Y 3P more info
Sola Hevi Duty STF2000-24D
Sola Hevi Duty STF2000-24D

ACT TRAC FILTER 200A 240V D 3P more info
Sola Hevi Duty STF2000-27Y
Sola Hevi Duty STF2000-27Y

ACT TRAC FILTER 200A 480V Y 3P more info
Sola Hevi Duty STF2000-48D
Sola Hevi Duty STF2000-48D

ACT TRAC FILTER 200A 480V D 3P more info
   
 
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