63 Amps Three-Phase Line Impedance Stabilization Network

(855) 364-2362

LI-3P-263

9 kHz to 30 MHz, 63 Ampere

Com-Power LI-3P-263 three-phase 63A LISN for CISPR 16-1-2 conducted emissions testing

63 Amps Three-Phase Line Impedance Stabilization Network

  • Provides CISPR-compliant 50/250 µH +5Ω network for stable three-phase EMI measurements.
  • Supports 9 kHz–30 MHz testing with consistent impedance and strong isolation accuracy.
  • Handles up to 63A continuous per line, ideal for medium-to-high–power 3-phase EUTs.
  • Offers remote or front-panel line switching for repeatable, controlled measurements.
  • Uses air-core inductors to eliminate saturation and maintain stable impedance under load.
  • Maintains compliance with CISPR 16-1-2 and ANSI C63.4 for commercial EMC approvals.
  • Useful in labs testing drives, HVAC units, automation systems, and power converters.
  • Supports extended-duration EMC workflows using dual cooling fans for thermal stability.
  • Includes NIST-traceable calibration covering impedance, phase, insertion loss, and isolation.
  • ISO 17025 accredited calibration available on request for formal regulatory test programs.

  • Frequency range: 9 kHz to 30 MHz for conducted emissions measurements

  • 63 A maximum continuous current per line

  • CISPR 16-1-2 & ANSI C63.4 compliant four-conductor LISN

  • 50 Ω, 50/250 µH +5 Ω network for 3-phase Delta & Wye power systems

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

  • Integrated transient limiter with filtering and attenuation

  • Air-core inductors to avoid saturation and permeability swing

  • Dual cooling fans for improved thermal stability under load

  • 50 Ω N-type RF measurement port

  • Includes required connectors & fiber-optic cable

  • Three-year standard warranty

General

  • Product Type: Line Impedance Stabilization Network

  • Application: Power-line conducted emissions testing

  • Standards: CISPR 16-1-2, ANSI C63.4

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

  • Frequency Range: 9 kHz–30 MHz

Insertion Loss

  • 9 kHz–150 kHz: <17 to <11 dB

  • 150 kHz–30 MHz: <11 dB

Isolation

  • 9 kHz–50 kHz: >0 to >40 dB

  • 50 kHz–30 MHz: >40 dB

Input Power Ratings

  • Max Current: 63 A continuous per line

  • AC Voltage: 865 V rms (L–L), 500 V rms (L–G)

  • DC Voltage: 600 V DC

Electrical / Connectors

  • Receptacle Pins (input): 63A, color-coded

  • Input Plug Sockets: 63A

  • Output Receptacle Sockets: 63A

  • Output Plug Pins: 63A

  • RF Port: 50 Ω N-type (female)

  • Fiber Optic Ports: Avago duplex POF jack

  • Remote Power: 6 VDC, 500 mA

  • Fan Power: 15 VDC, 500 mA

Environmental / Cooling

  • Operating Temperature: 5–40 °C

  • Cooling: Dual internal fans + louvered ventilation

Product Weight

  • Weight: 89.2 lbs (40.5 kg)

Title Link
LI-3P-263 Datasheet View PDF


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