Detailed information about cabling of the converter is provided in the circuit diagrams supplied.
● Please ensure that the maximum cable lengths between the converter 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 of the power cable
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 (Page 116).
On the top of the canopy panel there is an opening provided with a cover plate and a seal.
Cut the required openings for the power cables in the plate. After connecting the cable, close
and seal the openings to maintain the specified IP Class.
Electrical connection
6.8 Connecting power cables
SINAMICS PERFECT HARMONY GH150 6SL38253AE412AA1-Z
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Operating Instructions Rev.201910281231 EXAMPLE