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BLM - 1000

Line Matching Unit for PLC

Line matching unit for power line communication is a fundamental component of the power line infrastructure which provides galvanic insulation from the High Voltage power line, offering optimal impedance adaptation and efficient passage for high frequency communication signal.


Connection to Coupling Capacitors between 2.000 and 10.000 pF

Phase-to-ground or phase-to-phase coupling.

Configurable Band Pass filter.


  • Compliance with the specifications IEC-60481 and CEI 57-3
  • PEP: 400 Watts
  • Effective deployment to the power line

Techincal Specifications

Frequency working range from 24 to 1000 KHz
Operating temperature -20° C ÷ 60° C
Impedance (PLC side) 50 Ω and 75 Ω
Nominal Impedance (Line Side) 200 Ω to 600 Ω
Power Line Insulation > 10 KVrms
Impulse Voltage Insulation > 5 KVrms