Connecting
5
SITRANS FUS380 and FUE380 is delivered in one of the three versions:
● Battery-powered only
● Mains-powered
● Mains-powered with battery back-up
Determine the transmitter power source type by reading the label or via the product code.
NOTICE
Verification sealing
SITRANS FUE380 systems are protected by a verification sealing. The verification sealing
must only be broken by the user with the acceptance of the local authorities.
Note
Power supply
A transmitter ordered as only battery-powered cannot be updated with additional mains power,
as no mains power supply circuits are installed in this transmitter type.
WARNING
Skills
Only qualified personnel may carry out work on the electrical connections.
WARNING
Danger of electric shock!
Never install the device with the mains voltage switched on!
5.1 Mains-powered transmitter
The mains-powered transmitter can be ordered with a pre-mounted single back-up lithium
battery. In the event of power failure, the battery will take over the power supply of the unit.
The battery is not rechargeable; it must be replaced after maximum 6 years.
Note
The male battery plug is not connected upon delivery. This connection must be made to enable
the back-up battery power supply.
SITRANS FUS380/FUE380
Operating Instructions, 05/2018, A5E00730100-AE 31
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