Operating Instructions ACU
6.4 Size 5: ACU 401 (18.5 to 30.0 kW)
The frequency inverter is mounted in a vertical position on the assembly panel by means of the
standard fittings. The following illustration shows the standard fitting.
c
c1
x 100 mmï€
x
a
a1
a2
b
b1
x
fixing bracket top
(fixing with screws ) M4x20
fixing bracket bottom
(fixing with screws ) M4x70
For assembly the two fixing brackets are screwed to the heat sink of the frequency inverter and the
assembly panel.
The frequency inverters are provided with fixing brackets, which are fitted using four thread-cutting
screws. The dimensions of the device and the installation dimensions are those of the standard
device without optional components and are given in millimeters.
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