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7. 2 Circuit breaker
For building installation, plan for a suitable
circuit breaker for the supply voltage to
de-energise the device.
• The circuit breaker must be installed near
the device and easily accessible to the
user.
• The switch must be marked as the circuit
breaker for this device.
7. 3 Supply voltage
The device needs a supply voltage to oper-
ate. The type and amount of supply voltage
required for your device can be found on the
ratings plate.
The supply voltage is connected on the rear
of the device via terminal blocks.
Before connecting the supply voltage, ensure
that the voltage and frequency correspond to
the details on the ratings plate.
Connect the supply voltage through a UL/IEC
approved fuse.
After the supply voltage has been connect-
ed, an indicator will appear on the display. If
no indicator appears, check that the supply
voltage is within the rated voltage range.
c
WARNING!
Risk of injury from electric
voltage!
Serious bodily harm or death may result
from:
• Touching bare or stripped wires that are
live.
• Inputs on the device that are dangerous
to touch.
For this reason, please note the
following:
• The inputs for supply voltage are
dangerous to touch.
• De-energise your system before
starting work!
m
CAUTION!
Material damage may
result from failure to com-
ply with the connection
requirements.
Noncompliance with the connection re-
quirements may result in your device being
damaged or destroyed.
For this reason, please note the following:
•
Comply with the details on voltage and
frequency on the ratings plate.
•
Connect the supply voltage through a
fuse in accordance with the technical
specifications.
•
Do not source the supply voltage on
the voltage transformers.
•
Plan for a fuse for the neutral conduc-
tor if the neutral conductor connection
to the source is not earthed.
1.)
Fuse
(UL/IEC listed)
2.)
Disconnector
(Circuit breaker)
N
L
PE/FE
1.)
2.)
Functional earth
C
ATTENTION!
If the functional earth is not
connected, the device displays a
non-applied residual voltage.
Fig. Connection example for supply voltage