Power Connections Nbra-658/659/669 - ABB NBRA-6 Series Installation And Startup Manual

Power Connections
NBRA-658/659/669
F5.1
Braking Resistor(s)
Installation and Start-up Guide for NBRA-6xx
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.
ACS 600
UDC+ UDC– PE
F5.2
1 2 3
UDC+ UDC–
NBRA-6xx
R+ R–
1 2 3
R+ R–
A
Figure 4-10 Examples of NBRA-658/659/669 power connections.
Chapter 4 – Electrical Installation
ACS 604
UDC+ UDC–
F5.1 F5.2
Cabinet
1 2
Cabinet
UDC+ UDC–
NBRA-6xx
R+
1 2
R+ R+
Braking Resistor(s)
B
3
R–
R– R–
4-15