
SKS-Kinkel Elektronik GmbH
EN
300057 BUS driver
Support-Hotline: +49 (0) 2661-98088-112
- 6 -
Version: 1.0
E-Mail: [email protected]
Document art. no. 97008700
3
Description
The BUS driver 300057 is supplied with power by the Transformer 300035 (4502-A) and is used in audio plants for
up to 30 indoor stations. In audio plant with more than 30 indoor stations the Article 300089 basic compact power
supply must be used The BUS line is connected to terminals a+/b-. The complete wiring grid must not exceed 1.5
km in length. The maximum cable length between the door station and the last indoor station may not exceed 150 m
for a wire diameter of 0.8 mm and 75 m for a wire diameter of 0.6 mm. A green LED indicates whether the bus
voltage lies within the permissible range. The Bus voltage at the terminals may not be less than 19VDC.
4
Technical data
Electrical data
Supply voltage
24VAC
Voltage a+ / b-
19
– 23VDC
General
Temperature
-10°C to+55°C
Humidity
20% to 90% non-condensing
Housing
Plastic top-hat rail housing
Dimensions (width x height x depth)
70 x 91 x 70 mm (4HP)
Protection class
IP20