Power Line Filters

Stand Alone Wall Mount

Power filters protect and facilitate power and secure communications for shielded rooms and buildings.

Download Product Data Sheet:  GF67940 Data Sheet

power filter
power line filters



  • Factory pre-wired clean output lead provided through the pipe penetration
  • Low Pass filter circuits ~ passive components which include inductors, capacitors, resistors, and optional transient suppression devices
  • Manufactured and tested per applicable portions of MIL-PRF-15733
  • All circuits provided in a single enclosure
  • Discharge resistors incorporated to eliminate potential shock hazard


  • Fabricated case of not less than 18 gauge cold rolled steel electro plated or painted Gray (Std. Paint Color)
  • Sealed with welded and soldered seams for minimum shielding effectiveness 100 dB, 14 kHz to 18 GHz
  • Threaded steel pipe penetration
  • Double knock outs provided on filter case input
  • Front cover access to input terminals
  • Mounting tab provided for easy wall mount options


  • Voltage Ratings:
    • 24-1,000 VDC
    • 120/208 VAC (50/60 Hz)
    • 277/480 VAC (50/60 Hz)
  • Voltage Drop:
    • 2% maximum at full rated unity power factor load.
  • Harmonic Distortion:
    • 4% maximum at full rated unity power factor load
  • Temperature Rating:
    • MIL-PRF-15733
  • Current Overload:
    • 140% maximum current rating
  • RF Radiation:
    • Greater than 100 dB isolation
  • Dielectric With-Standing Voltage:
    • 2,200 VDC (prior to installation of discharge resistors)
  • Insulation Resistance:
    • MIL-PRF-15733 (prior to installation of discharge resistors)
  • Insertion loss:
    • 100 dB 14 KHz to 18 GHz
    • 50/50 Ohm System


  • Military Specifications
    • MIL-PRF-15733 General
  • Military Test Methods
    • MIL-STD-202 Component Parts
    • MIL-STD-220 Insertion Loss
    • MIL-STD-285 Shielding Effectiveness
  • NFPA 70/2011 National Electrical Code Standards


  • MOVs – EMP and Surge Suppression
  • Alternate pipe penetration locations on the enclosure available by request
  • Voltage Indicator Lights
  • Ground Wire
  • Internal Mounting Flange