A.3 bypass schematic – Lenze MCH Series User Manual
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13435744_EDBMH01_v13
A.3
BYPASS SCHEMATIC
Below is a general schematic showing how the bypass option works with the MCH drive:
Optional AC
Line Reactor
MCH Series
VFD
INPUT POWER
Optional Input
Disconnect/CB
VFD Input
Fuses
VFD Input
Contactor
VFD Output
Contactor
Optional
Bypass Fuses
Thermal
Overload*
AC Motor
Bypass
Contactor
* If the thermal overload trips, wait 10 minutes
before resetting.
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