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Bosch LBB 1957/00 Plena Voice Alarm Keypad
- Seven zone selection keys (6 programmable keys and all call)
- LED indications for zone selection
- Up to eight keypads can be connected together
- EN 60849 compliant
- Emergency, call, power and fault indicators
- Use in conjunction with the LBB1956/00 call station
Bosch LBB 1957/00 Plena Voice Alarm Keypad in Bangladesh
The Bosch LBB 1957/00 keypad is an extension to the LBB 1956/00 Plena Voice Alarm Call Station that adds seven additional zone-select keys.
The LBB1957/00 has the same stable metal base as the call station. In addition to tabletop use, the special design allows it to be neatly flush-mounted in desktops.
|Voltage range||24 VDC supplied by LBB 1956/00|
|Current consumption||<15 mA|
|Base dimensions||40 x 100 x 235 mm(1.57 x 3.97 x 9.25 in)|
|Weight||Approx. 1 kg|
|Mounting||Bracket coupled with LBB 1956/00 or other LBB 1957/00|
|Color||Charcoal with silver|
|Operating temperature||-10 ºC to +45 ºC (14 ºF to +113 ºF)|
|Storage and transport temperature||-40 ºC to +70 ºC (-40 ºF to +158 ºF)|