6SL3735-1TG41-7LA3

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Basic Line Connection Modules are compact line infeeds for two-quadrant operation, i.e. no regenerative feedback. They are used when energy need not be fed back into the network.

Basic Line Connection Modules comprise a Line Connection Module and a liquid-cooled Basic Line Module.

As standard, the Basic Line Connection Module is positioned in the drive line-up so that the Motor Modules are arranged to the right. If Motor Modules are to be arranged to the left of the Basic Line Connection Module, option M88 (DC bus system for line-side Cabinet Modules) must be ordered.

Line Connection Modules contain the line-side infeed via main circuit breaker with fuse switch disconnector or circuit breaker and establish the connection between the plant power system and the Basic Line Modules. They are equipped as standard with a radio interference suppression filter according to EN 61800‑3 Category C3.

Under full load, the DC link voltage is higher than the rms value of the rated line voltage by a factor of 1.32, and under partial load by a factor of 1.35.

If regenerative conditions occur in the drive line-up, a Motor Module can be used as a braking chopper, which then converts excess energy to heat in a braking resistor.

Basic Line Connection Modules are suitable for connection to grounded TN/TT and non-grounded IT systems. The following voltages and power ratings are available:

For a Basic Line Connection Module a line reactor should be provided at the connection point depending on the line short-circuit power. This reactor is available as standard. However, it can be omitted if it is not required (option L22).
Further information can be found in the SINAMICS Low Voltage Engineering Manual.