Surface-mounting external unit 16 mm with 4 bells

This compact surface-mounting unit in aluminium has a surface-mounting height of only 16 mm 16 mm. The external unit is equipped with a 5 mm-thick name plate in Plexiglas which is vandal proof. The metal-plated push-button contacts are maintenance-free and durable. This external unit works with 2-wire technology, which means that an existing bell can simply be replaced by this external unit. This external unit has 4 bells.

Surface-mounting external unit 16 mm with 4 bells.

• Function: • each non-programmed push button can operate the light, light symbol supplied
• Acknowledgement tone when pressing the bell button
• material push buttons: metal with gilded, maintenance-free contacts
• long-life energy-saving name plate lighting
• 5 mm thick, indestructible and vandal proof name place in Plexiglass
• internal memory for the exchange of data between identical external units (EEPROM)
• Mounting method: surface mounting
• Dimensions name field: 19 x 62 mm (HxW)
• Microphone: volume and microphone sensitivity can be adjusted manually
• Wiring technique: 3-wire technology recommended, 2-wire technology possible
• Extra terminal
  • R-terminal to connect an extended function (e.g. door release)
  • door opener time on R-terminal: 3 s (can be adjusted via service unit)
  • activation time of the door relay (for controlling the memory in internal units): 56 s (can be adjusted via service unit).
  • speech connection during activation of the door relay (can be adjusted via service unit)
  • length of conversation: 56 s (can be adjusted via service unit).
• Input current at rest: I(a) = 0.4 mA, I(P) = 11 mA in standby
• Maximum input current: I(Pmax) = 21 mA
• Finishing colour: grey
• Marking: CE