Up to 48 bell buttons can be connected to the Control module. Microphone and loudspeaker are external and are built into existing door stations to guarantee optimal acoustics.
For door stations with more than 48 bell buttons the Extension module 300015 is needed. Terminals T/T (potential-free relay contact) are connected to the door opener, the electrical door lock or similar. Potential-free contact max. 36 VDC, 1 A, connected spool min. 8 Ω.
- Compatible with item 800593
- External microphone and loudspeaker
- Control module BUS technology for up to 48 bell buttons
- Incl. a set of screws, grid adapter and adhesive pad
- Integrated duplex controller to supress background noises
- Working temperature: -10 °C to +65 °C
- Protection type IP20
Dimensions: 130 x 96 x 21 mm