TBM 1.2-40-W1 by Rexroth, Indramat, Bosch in the TBM Series. When drives are running in generator mode, the regenerated energy is absorbed by the bleeder resistor. This TBM 1.2-40-W1 offers a Bleeder Peak Power of 40 kW and a Cooling Mode of Air, internal (with built-in blower), along with a Nominal Voltage for Heatsink Blower of Factory Assigned.