LISN 50 Amps for CISPR 25 & CISPR 16


100 kHz to 108 MHzCISPR 25 / CISPR 16-1-25 microhenry / 50 Amps

line impedance stabilization network

LISN 50 Amps for CISPR 25 & CISPR 16

The LI-550C Line Impedance Stabilization Network (LISN) provides the necessary measurement platform for performing power line conducted emissions compliance testing as required by most worldwide standards for commercial products. The LI-550C is compliant with both CISPR 25 and CISPR 16-1-2 . The LISN provides defined stable impedance and isolates the EUT from power source influences, thereby providing accurate and repeatable results. The LI-550C includes one pair of, separately housed, single-conductor networks, to be installed in series with each current-carrying conductor in a single- phase, dual-phase or DC power system. A second LI-550C pair can be used to accommodate 3-phase power systems (Wye or Delta configurations). The LI-550C is equipped with Superior Electric SUPERCON® shrouded sockets at the mains (power input) and EUT (power output) ports. The matching color-coded plugs for connection to the mains and EUT wiring are included. This LISN uses air-core inductors to prevent saturation and permeability variation. The mounting plate of the LI-550C is left unpainted in order to facilitate connection to earth ground in its installation, which is essential due to high leakage current.

  • Frequency range of 100 kHz to 108 MHz
  • Fully compliant with CISPR 25 / CISPR 16-1-2
  • “Air-core” inductors to prevent saturation
  • Individual Calibration Included
  • Three-Year Warranty
  • Product Name: Line Impedance Stabilization Network (LISN)
  • Specification: CISPR 25 / ANSI C16-1-2
  • Application: Power Line conducted emission tests
  • Frequency Range: 100 KHz - 108 MHz
  • RF Connector: 50 Ohms N-type (female)
  • Current Rating: 50 Ampere AC, 35 Ampere DC
  • Voltage Rating: 270 VAC (Line to Ground), 380 VDC
  • Inductors: 5 microhenry (air-core)
  • Mains & EUT Connections: Superior Electric SUPERCON shrouded sockets
  • Dimensions (each network): 13 x 7 x 7 inches / 33 x 17.7 x 17.7 cm
  • Weight (each network): 14 lbs. / 6.3 kg
  • Insertion Loss: < 1 dB (100 kHz to 108 MHz)
  • Isolation: > 20 - 40 dB (100 kHz to 3 MHz), >40 dB (3 MHz to 30 MHz)

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