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Mounting And Connecting The Brake Relay - Siemens Sinamics G120 Hardware Installation Manual

Power module
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Note
Brake Relay and Safe Brake Relay
The Brake Relay and the Safe Brake Relay do not differ from each other in the installation
and the connection to the inverter.
Connection to the inverter
To ensure that you have the correct cable for connecting the Brake Relay irrespective of the
inverter size, you are supplied with two preassembled cables with different lengths. Connect
the appropriate cable to the Brake Module and to the inverter as shown below.
If you are using your own cable, ensure that the cable is insulated and rated for 600 V.
8.3.8.1

Mounting and connecting the brake relay

The Brake Relay must be connected to the protective conductor if the motor brake is
supplied from a PELV circuit.
Power Modules PM240
Hardware Installation Manual, 07/2016, A5E36985441C AA
Spare parts and accessories
8.3 Optional accessories
105

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