32 Amps Three-Phase Line Impedance Stabilization Network

LI-3P-232

9 kHz to 30 MHz, 32 Ampere

Com-Power LI-3P-232 three-phase 32A LISN for CISPR 16-1-2 conducted emissions testing

32 Amps Three-Phase Line Impedance Stabilization Network

  • Provides CISPR-compliant 50/250 µH +5Ω network for stable three-phase conducted EMI testing.
  • Supports 9 kHz–30 MHz performance with consistent impedance and high isolation accuracy.
  • Handles up to 32A per line, ideal for medium-power commercial and industrial three-phase EUTs.
  • Offers remote or local line switching for safe, repeatable EMI receiver connection control.
  • Uses air-core inductors to prevent saturation and ensure reliable results under varying loads.
  • Ideal for compliance testing to CISPR 16-1-2 and ANSI C63.4 for commercial EMC applications.
  • Useful in labs evaluating drives, UPS units, controls, and power-conversion equipment.
  • Supports real-world EMC approval workflows by ensuring accurate disturbance-voltage capture.
  • Includes NIST-traceable calibration for impedance, phase, isolation, and insertion loss.
  • ISO 17025 accredited calibration available on request for formal compliance requirements.
  • Frequency range: 9 kHz to 30 MHz for conducted emissions compliance

  • 32 A maximum continuous current per line

  • Compliant with CISPR 16-1-2 and ANSI C63.4

  • Four-conductor 50 Ω, 50/250 µH +5 Ω network for Delta and Wye systems

  • Remote or local line switching of L1, L2, L3, N via RLI-100

  • Built-in transient limiter with attenuation and filtering for instrument protection

  • Air-core inductors for saturation-free performance

  • Unpainted mounting plates for proper grounding and low-impedance bonding

  • 50 Ω N-type measurement port

  • Three-year standard warranty

General

  • Product Type: Line Impedance Stabilization Network (LISN)

  • Application: Power-line conducted emissions testing

  • Standards: CISPR 16-1-2 (CE), ANSI C63.4 (FCC)

  • Network Type: 50 Ω, 50/250 µH +5 Ω, 4-conductor

  • Frequency Range: 9 kHz to 30 MHz

Insertion Loss

  • 9 kHz–150 kHz: <17 dB to <11 dB (decreasing with log frequency)

  • 150 kHz–30 MHz: <11 dB

Isolation

  • 9 kHz–50 kHz: >0 dB to >40 dB (increasing with log frequency)

  • 50 kHz–30 MHz: >40 dB

EUT Input Power Ratings

  • Maximum Current: 32 A continuous per line

  • Max AC Voltage: 865 V rms line-to-line, 500 V rms line-to-ground

  • Max DC Voltage: 600 V DC

Electrical / Connectors

  • Power Input Plug (attached): 32A receptacle pins (Red, Yellow, Blue, Black, Green)

  • Power Input Socket: 32A plug sockets

  • Power Output Socket: 32A receptacle sockets

  • Power Output Plug: 32A plug pins

  • RF Measurement Port: 50 Ω N-type (female)

  • Fiber Optic Ports: Avago duplex POF jack

  • Remote Interface Power: 6 V DC, 500 mA (unregulated)

Environmental / Cooling

  • Operating Temperature: 5 °C to 40 °C (40 °F to 104 °F)

  • Cooling: Louvered side panels (no forced air)

Product Weight

  • Weight: 59.1 lbs (26.8 kg)

Title Link
LI-3P-232 Datasheet View PDF


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