ABB ACS580-01 drives, Hardware Manual

Page: 69 / 226

Planning the electrical installation 69
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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