Busch-Jaeger 6550 Mode D'emploi page 36

Installation
19 Installation
General Information regarding Installation
The installation version of the memory control unit 6550 for
distributions is clicked onto a standard 35 mm rail. The
flush-type version of the memory control unit 6550U-10x is
suitable for installation in commercially available flush-type
boxes. We recommend using a a flush-type box with an
installation depth of 60 mm in accordance with DIN 49073.
In combination with the presence watchdog 6813-xxx, it
must be installed on the ceiling of a room.
The control output (<= 1 V – 10 V) of the
Memory Pushbutton Controller is not safety
extra-low voltage.
When performing work on the Memory
Pushbutton Controller, ensure that the
device is disconnected from the 230 V
supply system!
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