4
Symbols and markings
Protective earth connector
Alternating or direct current
Power supply connection
The unit has wide power supply range of 41...265 VAC or 20...28 VAC/VDC depending on model. There are
two types of power supply connectors; grey connector color is used to indicate higher voltages and green
color to indicate 24 V.
FD100A4-F48/230 and FD100A6-F48/230
Do not strip the wires more than necessary in order to avoid exposing dangerous voltages. Tie the N and L
wires so that if one of them gets accidentally disconnected, the wire end can't reach the other connectors.
PE - Protective earth.
Free wire length must be
longer than on N and L
Small display and buttons
for configuration
unit
D3
D2
D1
N
L
Power supply
41...265 VAC
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General