• Dimensional Drawing for Power Line HEMP Filters Standard Performance

    • Voltage Rating: 277/480 VAC @ 60 Hz
    • Current Rating: 5 through 150 amperes
    • HEMP Compliance: Per MIL-STD-188-125-1 and MIL-STD-188-125-2 as Power Line (Intrasite) point of entry filter for short (E1) and intermediate (E2) pulses.
    • Insertion Loss: Standard performance (curve 1) per MIL-STD-220
    • Leakage Current: < 10% of rated current 10 through 150 amperes, < 1 amp for 5 amp filters
    • Insulation Resistance: Per MIL-PRF-15733, prior to discharge resistor installation.
    • Dielectric Withstanding Voltage: 2250 VDC line-to-chassis per MIL-STD-202, Method 301 prior to surge arrestor and discharge resistor installation
    • Voltage Drop: Less than 1% of rated voltage per paragraph 4.6.8 of MIL-PRF-15733
    • Voltage Discharge: Discharge to less than 30 Volts within 30 s after removal of power
    • Operating Temperature: -40 ºC to +65 ºC
    • Storage Temperature: -55 ºC to +105 ºC

  • Dimensional Drawing for Power Line HEMP Filters High Performance

    • Voltage Rating: 277/480 VAC @ 60 Hz
    • Current Rating: 5 through 150 amperes
    • HEMP Compliance: Per MIL-STD-188-125-1 and MIL-STD-188-125-2 as Power Line (Intrasite) point of entry filter for short (E1) and intermediate (E2) pulses.
    • Insertion Loss: high performance (curve 2) per MIL-STD-220
    • Leakage Current: < 10% of rated current 10 through 150 amperes, <1 amp for 5 amp filters
    • Insulation Resistance: Per MIL-PRF-15733, prior to discharge resistor installation.
    • Dielectric Withstanding Voltage: 2250 VDC line-to-chassis per MIL-STD-202, Method 301 prior to surge arrestor and discharge resistor installation
    • Voltage Drop: Less than 1% of rated voltage per paragraph 4.6.8 of MIL-PRF-15733
    • Voltage Discharge: Discharge to less than 30 Volts within 30 s after removal of power
    • Operating Temperature: -40 ºC to +65 ºC
    • Storage Temperature: -55 ºC to +105 ºC

  • HEMP/EMP Filters

    • Voltage : 0 to 480 Volts
    • Current : 0 to 100 Amps
    • Frequency : DC to 400 Hz
    • Insertion Loss : 100 dB minimum from 14 kHz to 10 GHz
    • Operating Temperature : -40 ºC to +71 ºC
    • Storage Temperature : -55 ºC to +105 ºC
    • Altitude : Maximum of 15,000 feet
    • Humidity : 10 to 90 Percent
    • Fungus : Non-nutritive materials are used
    • Corrosion : Hermetically sealed steel or aluminum enclosures with tin-lead plating