Oper ating Instr u ctions CM Synchronous Ser v omotors 11 5 Electrical Inst allation 5 E lectrical Inst allation It is essential to comply with the safety notes in section 2 during installation Switch contacts in utilization category AC 3 to EN 6094741 must be used for switching the motor and the brake When motors are powered from inverters you must adhere to the wiring instruc tions issued by the inverter manufacturer It is essential to follow the servo controller operating instructions 51 W iring notes Protection against interf erence from brake control systems Do not route unshielded brake cables al ongside switchedmode power cables since there is a risk of disrupting brake controllers Switchedmode power cables include O utput cables from frequency and servo cont rollers converters soft start units and br ake units C onnecting harnesses to braking resistors etc Protection against interf erence from motor protection devices To provide protection against interference from motor protection devices temperature sensor TF or KTY R oute separately shielded feeder cables t ogether with switchedmode power lines in one cable D o not route unshielded feeder cables toge ther with switchedmode power lines in one cable