3.2.1 Type 03: Connecting the operating voltages
WARNING
In order that the operating voltage can be iso-
lated reliably, you must use an isolating trans-
former with at least 4 kV isolation resistance
complying with standard EN 60742.
CAUTION
The power supply to the outputs/valves (pin 2)
must be separately fused externally with max.
10 A. The external fuse prevents the valve ter-
minal from being damaged in the event of a
short circuit.
VIFB13 - 03/05 3. Installation
9701 NH 3-15
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