KSD071C-0240-NN-M1-1P0-NNNN Bosch Rexroth Indramat
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The Bosch Rexroth Indramat KSD071C-0240-NN-M1-1P0-NNNN belongs to the KSD IndraDrive Mi Motors series and features an optical multi-turn encoder with a resolution of 128 x 2^13 per revolution. This motor delivers a maximum torque of 35.0 Nm, operates at a rated speed of 2400 rpm, and can handle a maximum current of 17.7 amps.
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Product Description:
The Bosch Rexroth Indramat KSD071C-0240-NN-M1-1P0-NNNN is a servo motor section from the KSD IndraDrive Mi Motors series. In distributed motion architectures, this integrated motor-drive module supplies torque directly to the load while sharing a common DC link and communication bus with other Mi units. The design targets compact packaging lines, pick-and-place stations, and similar equipment where decentralized mounting reduces cabinet space and simplifies wiring. By combining drive and motor functions in one housing, the unit also supports short cable runs between the power stage and the mechanical axis.
The embedded optical multi-turn encoder offers an absolute range of 4096 rev and reports position with a resolution of 128 × 2^13/rev, so the controller can recover shaft angle and revolution count after power loss without homing. The motor reaches a rated speed of 2400 rpm, giving mechanical output suited to moderate-speed indexing tables and synchronized machine motions. During transients, the winding can draw up to 17.7 A, and this current ceiling pairs with a maximum torque of 35.0 Nm for acceleration and short peak loads. A 2.52 Nm/A torque constant links drive current to produced torque, while the voltage constant of 155.0 V/1000 rpm corresponds to the back EMF the drive must overcome as speed rises. An M10 centering hole locates the housing on the machine plate, and a 10 × 8 × 45 mm key transmits torque through the shaft.
Dynamic response is influenced by the 0.00173 kg·m² rotor inertia, which helps the axis change speed quickly and can improve contour accuracy in coordinated motion. For continuous duty at a 60 K winding temperature rise, the motor supplies 10.5 Nm of stall torque, supporting low-speed holding and steady load conditions. Heat buildup is characterized by a 15 min thermal time constant, indicating how quickly the winding temperature rises during overload and how gradually it falls after peak demand subsides. This behavior matters in repetitive start-stop motion, where short overloads can occur in rapid succession.
