IW-520A Operation unit for 10 substation (active calls)

  • Connection and management module
  • Capacity: up to 10 lines.
  • Allows connect up to 20 lines, through the insertion of a IW-10A card.
  • Incorporates power supply:
  • Aplication:
  • Secundary with line pre-amplifier and impedance transformer
  • Dimensions: 540 x 540 x 170 mm