Operating Instructions Horizontal Magnetic Float Switch - HLS
15
With capacitive loads, cable lengths exceeding 50m or the
connection to the process control systems with capacitive
inputs, a protective resistance of 22 Ohm or 47 Ohm (for
10VA contacts) must be switched in series in order to limit
the peak current.
When connecting to time relays, a resistance of 220 Ohm
must be installed in series.
An overload of the magnetic float switch may result in the
destruction of the installed Reed contact. This can result in a
malfunction of the downstream control unit and personal
injuries or property damages. Compliance with the maximum
values for the swit
ching capacity specified in the “Technical
Data” Chapter and in the data sheet HLS... is required.
For horizontal magnetic float switches with a connection
cable without a protective ground connection, the switch
may conduct current in the event of a malfunction.
Touching it can result in severe bodily injury or fatal
injuries. These switches can only be operated with
protective low voltage in accordance with VDE0100 (e.g.
with a KSR contact protection relay) or must be installed
so the magnetic float switch is electrically connected to
the potential equalizer.
