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3.5
Power supply
Possible power supplies:
A cell, 3.6 V DC lithium battery, with a lifetime of 11 years (standard version, with radio)
D cell, 3.6 V DC lithium battery, with a lifetime of 16 years
Mains unit 24 V AC
Mains unit 230 V AC
1
Fig. C.
Power supplies
1
A or D cell, 3.6 V DC lithium battery
2
Mains unit 24 V AC / 230 V AC
The various power supplies can be changed in the field.
NOTE
The meter switches automatically to power save mode if the button is not pressed for
approx. 4 minutes. The display is also switched off in this case, but can be switched
on again by pressing the button. Communication is maintained, e.g. over the M-Bus
or the optical interface. The meter does not switch to power save mode if an error
exists. The error is shown in the display as an error code.
Never connect between two phases if a mains unit is used, as this would destroy the
mains unit. The protective safety cover must be installed at all times. The cable is to
be fused at max. 6 A and protected against manipulation.
Used batteries must be disposed of at suitable collection points.
2
10
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