Dräger VarioGard IR EX, Instructions For Use Manual, Page: 27 / 43

Seite 27
Installation of the Electrical Connections
Transmitter Without Power Supply:
The electrical installations may only be laid and connected by properly
trained personnel observing the applicable
regulations.
– Use 3-wire lines, e.g. NYM with a line
cross-section of 3 x 1.5 mm
2
.
– Maximum load resistance
≤
500
Ω
.
– Observe contact assignment, connection
via plug-in terminal strip in the cover.
Transmitter With Power Supply:
The electrical installations may only be laid and connected by properly
trained personnel observing the applicable regulations.
The transmitter with power supply unit, without an interface, only requires a
power supply (230VAC,
50 Hz).
For the connection to a controller, the interface (4 .. 20 mA) is necessary
which is available on option (Order No.: 8315839).
N
PE
L
Connector