Siemens Model 240 Installation Manual Page 66

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Spare parts/Accessories
8.2 Power Module accessories
Power Modules PM240
8-6 Hardware Installation Manual, 2006-04-04, A5E00807525B AA
Braking resistor
The braking resistor is designed for the SINAMICS G120 inverters with an internal brake
chopper and enables loads with a large moment of inertia to be braked quickly. During
braking of the motor and the load, excess energy is fed back to the inverter. This causes the
voltage to rise in the DC link. The inverter transfers the excess energy to the externally
mounted braking resistor. The option is only available for the Frame Size B inverter.
Ordering information is given in the following table:
Table 8-7 Braking resistor ordering information
Description Order No.
G120/S120 FSB Braking Resistor 6SL3201-0BE12-0AA0
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