Communications engineering

dimensioned drawing


Custom telephones
[TypA24OB/A24OBL]
The A24OB is used to configure autonomous telephone lines – up to ten separate ones can be connected to one another using the A24OBL. The integrated energy saver mode greatly increases the service life of the battery.
Product request
Technical Data | |
Storage temperature | -40°C … +70°C |
Operating temperature | -20°C … +55°C |
Relative humidity | max 95% |
Casing enclosure | IP 66 |
Connection terminals | clamping range 0.08 – 2.5 mm² single, multi and fine wire |
Cable gland | M16, Ø 5-10 mm Dummy plugs: 1 x M12, 1 x M16 Handset: M12Flex, Ø 3-6.5 mm |
Material Casing: | polyamide |
Type A24OB + A24OBL | |
Tone signalling | Piezo signalling, 60 dB(A) – 90dB(A) at 1 m distance |
Call generator | Output voltage 42 V/50 Hz Sine |
Functions | Call voltage generator, energy saving mode, battery monitoring, Volume control for call tone |
Battery | 4 x 1.5 V C-cell alkaline batteries LR 14 (preferably Duracell, temp. to -20°C) |
Connection | OB = La, Lb and W2 OBL = La, Lb1 to Lb10 and W2 |
OB Telephones | Order no. |
A24OB with spiral handset cord | 01.21000 |
A24OB with stainless steel handset cord | 01.22000 |
A24OBL as final selector with spiral handset cord | 01.31000 |
A24OBL as final selector with stainless steel handset cord | 01.32000 |
Customer-specific telephones (e.g. emergency, railway and tunnel telephones) by request
Dimensions:
221 (height) x 154 (width) x 105 (depth) mm
Distance between holes for attachment:
128-134 mm
Weight:
OB, OBL approx. 1.5 kg