Installation
4.2 Electrical Installation
Converter with the control units CU240D-2
40
Operating Instructions, 04/2018, FW V4.9 SP10, A5E34262100B AF
Additional requirements placed on the protective conductor
①
:
●
For permanent connection, the protective conductor must fulfill at least one of the
following conditions:
–
The protective conductor is routed so that it is protected against damage along its
complete length.
Cables routed inside electrical cabinets or enclosed machine housings are considered
to be adequately protected against mechanical damage.
–
As a conductor of a multi-conductor cable, the protective conductor has a cross-
section
≥ 2.5
mm² Cu.
–
For an individual conductor, the protective conductor has a cross-
section ≥ 10
mm²
Cu.
–
The protective conductor consists of two conductors with the same cross-section.
●
When connecting a multi-conductor cable using an industrial plug connector according to
EN 60309, the protective conductor must have a cross-
section of ≥
2.5 mm² Cu.
4.2.4
Grounding converter and motor
Grounding the converter
●
Ground the converter via the PE connection in the mains supply connector.
●
Ground the connectors as shown in the diagram below.
Figure 4-5
Grounding the line supply and motor connectors