The motor (output) connections for each module are located at the lower part of the cubicle;
depending on the power of the inverter module, these are either detachable or non-detachable
terminal blocks.
The cubicle is equipped with cable entries for the motor cables in the floor.
The picture below presents an example of a 400 mm wide cubicle with three R1i to R4i
modules.
Compartment
doors open
Compartment
doors closed
ExplanationItem
Main DC switch-disconnector handle for
all units in the cubicle
1
Compartments for inverter modules (with
DC switch-disconnector handle)
2
Output connections3
Cable entries4
Common DC fuses for all units in the cu-
bicle
5
Inverter module6
Inverter control unit7
Module-specific DC switch-disconnector
with fuses
8
Hardware description 21