4
4
5
2
1
3
4
5
1
3
6
6. SAFETY MEASURES
DANGER!
This warning means that a voltage exceeding 1kV (even if for short periods) may be present
on the terminals.
WARNING!
Electrical instrument connections must be carried out only by skilled technicans who
are aware of the risks involved to the presence of voltage. Before connecting, check the
following:
1. the conductor wires are not powered.
2. the instrument is connected according to the appropriate diagram (see section 7.6)
3. the power supply corresponds to the values on the instrument label.
4. the instrument has been installed in a vibration-free environment a suitable temperature (see
section 5.1).
5. the terminals are no longer accessible after being connected.
6. the wiring is carried out in accordance with the standards in force in the country where the instrument
is to be installed.
7. an isolator and an over-current device (e.g. fuse) are installed between the instrument power supply
and the electrical system.
8. the connections are made respecting the polarities. Important: L1 of the voltage input = L1 of the
amperometric input.
9. input and output polarities are respected when using current/voltage transformers.
10. the connectors are fixed in such a way that they cannot be accidentally disconnected.
7. ELECTRICAL CONNECTIONS
WARNING!
Before making any connection, check that the control panel main switch is OFF.
SERIAL VERSION LONBUS VERSION
Available according to the power supply type
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