ABB NBRA-656 - Power Connections NBRA-658;659;669

Chapter 4 – Electrical Installation
Installation and Start-up Guide for NBRA-6xx 4-15
Power Connections
NBRA-658/659/669
WARNING! Before installation, switch off the mains supply to the
ACS 600. Wait five minutes to ensure that the intermediate circuit is
discharged. Switch off all dangerous voltages connected to the inputs
or the outputs of the ACS 600.
Figure 4-10 Examples of NBRA-658/659/669 power connections.
ACS 600
PE
F5.2F5.1
UDC–UDC+
UDC–UDC+
R+ R–
R+ R–
ACS 604
NBRA-6xx
F5.2F5.1
UDC–UDC+
UDC–UDC+
R+ R–
R+ R–
123
123
12
Braking Resistor(s)
R+ R–
Braking Resistor(s)
NBRA-6xx
123
Cabinet
Cabinet
AB