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:
- Application:
- Secondary with line pre-amplifier and impedance transformer
- Dimensions: 540 x 540 x 170 mm