User Manual Chapter 5 - Electrical Connections 31Drive relaysTo ensure good immunity to interference, install RC filters in parallel with the coils of contactors connected to the drivespotential-free contacts.5.5.3 Parallel mains AC input connections to more than one driveCharacteristics and limitations- Drives installed in homogeneous groups must all be of the same model.- All input chokes must be identical (same specifications and same supplier).- All drives must receive power simultaneously. In other words they must all share the same switch/line contactor.- No more than 6 drives must be connected in parallel to the same mains supply.
