6SL3000-1BH32-5AA0

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Excess energy in the DC link is dissipated via the braking resistor.

The braking resistor is connected to a Braking Module. The braking resistor is positioned outside the cabinet or switchgear room. This enables the resulting heat loss around the Power Modules to be dissipated. This reduces the level of air conditioning required.

Two braking resistors with different rated and peak power values are available for the devices.

The braking resistor is monitored on the basis of the duty factor. A temperature switch (NC contact) is also fitted. This responds when the maximum permissible temperature is exceeded and can be evaluated by a controller. The maximum permissible cable length between the Braking Module and braking resistor is 100 m.

Information about possible duty cycles of the braking resistors as well as other configuration information is contained in the SINAMICS Low Voltage Engineering Manual.