MULTICAL® 403
Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023
10.5 230 VAC supply module
This module is galvanically separated from the 230 VAC supply, the module is adjusted to direct connection to the
electricity network. The module includes a double-chamber safety transformer and fulfils double-isolation
requirements when the calculator top is mounted on the calculator base. If the supply is interrupted, the module will
keep the meter powered for a few minutes.
If connected to 230 VAC the whole installation must fulfil current national regulations. Connection/disconnection of
the module can be carried out by the meter installer, please note, however, that work on fixed installations,
including any intervention in the fuse box, must be carried out by an authorized electrician.
10.6 24 VAC supply module
This module is galvanically separated from the 24 VAC supply, the module is adjusted for industrial installations and
installations powered by a separate 230/24 V safety transformer, for instance mounted in a control panel. The
module includes a double-chamber safety transformer and fulfils double-isolation requirements when the calculator
top is mounted on the calculator base. If the supply is interrupted, the module will keep the meter powered for a
few minutes.
The whole installation must fulfil current national regulations. Connection/disconnection of the module can be
carried out by the meter installer, whereas installation of the 230/24 VAC safety transformer in a control panel as
well as other fixed installations must be carried out by an authorized electrician.
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