Detailed information about cabling of the drive is provided in the circuit diagrams supplied.
● Please ensure that the maximum cable lengths between the drive and motor are not
exceeded.
● Make sure that the permissible cable capacitance is not exceeded.
● Use appropriate screws for the cable lugs provided.
● The tightening torque for the M12 screws is 50 Nm.
● Clean the contact surfaces before screwing the connections.
● Apply a thin layer of grease to the screws.
Table 6-2 Cleaning agents and grease
Materials required
Cleaning agent Ethyl alcohol
Grease 2G from Elektrolube
NOTICE
Thermal destruction
Cables that have not been properly secured at the connection point, represent a high electrical
transition resistance, which can result in thermal destruction.
Tighten the screws with the specified torques. Tighten the M12 screws with a torque of 50
Nm.
Electrical connection
6.7 Connecting power cables
SINAMICS SM120 6SL38855?B
Operating Instructions 12/2015 81
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