ABB ACS580-01 - Example Bypass Connection

84 Planning the electrical installation
 Example bypass connection
An example bypass connection is shown below.
Q1 Main switch for the drive S11 Drive main contactor on/off control
Q4 Bypass circuit breaker S40 Motor power supply selection (drive or
direct-on-line)
K1 Drive main contactor S41 Start when the motor is connected direct-
on-line
K4 Bypass contactor S42 Stop when the motor is connected direct-
on-line
K5 Drive output contactor U1 Drive