Plena Voice Alarm Keypad ยี่ห้อ BOSCH รุ่น LBB1957/00

The LBB 1957/00 Call Station Keypad is an extension to the LBB 1956/00 Plena Voice Alarm System Call Station that adds seven additional zone-select keys. It 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.

• Seven zone selection keys
• LED indications for zone selection
• Up to eight keypads can be connected together

Technical specifications
Electrical
Power Supply

• Voltage range 24 VDC supplied by LBB 1956/00
• Current consumption <15 mA

Mechanical

• 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

Environmental

• Operating temperature -10 ºC to +45 ºC (14 ºF to +113 ºF)
• Storage temperature -40 ºC to +70 ºC (-40 ºF to +158 ºF)
• Relative humidity <95%