KSD071C-0350-NN-M1-1P2-NNNN Bosch Rexroth Indramat
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The Bosch Rexroth Indramat KSD071C-0350-NN-M1-1P2-NNNN is part of the KSD IndraDrive Mi Motors series. It offers a continuous stall torque of 10.0 Nm and a rated speed of 3500 min⁻¹, with a maximum torque of 28.0 Nm. The motor features natural convection cooling and an optical absolute multiturn encoder with a resolution of 128 × 2^13 per revolution.
Internal Product Review
The KSD071C-0350-NN-M1-1P2-NNNN is a KSD IndraDrive Mi motor that stands out for efficient natural convection cooling and a rated speed of 3500 min⁻1. Its optical absolute multiturn encoder and 128 × 2^13/rev resolution support highly accurate feedback in precision motion systems. A maximum torque of 28.0 Nm makes this motor an excellent fit for demanding servo applications.
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Product Description:
The KSD071C-0350-NN-M1-1P2-NNNN decentralized servo motor is produced by Bosch Rexroth Indramat for its KSD IndraDrive Mi Motors series. The compact housing integrates a synchronous motor with drive electronics so that only DC power and fieldbus cables link the axis to the machine network. By eliminating long motor leads and central inverters, the unit simplifies modular automation layouts and provides precise torque, speed, and position control for packaging stations, pick-and-place gantries, and conveyor zones.
Under continuous load, the motor can provide 10.0 Nm of stall torque without exceeding its temperature limits, giving machine builders a stable working point for indexing tables and feed axes. A rated shaft speed of 3500 rpm provides the mechanical velocity needed for medium-speed tooling or transfer operations. The back electromotive force gradient is 114.0 V/1000 rpm, a value that helps with supply bus selection so the drive maintains adequate voltage headroom during rapid acceleration. Position feedback is delivered by a multi-turn optical absolute encoder. Its native resolution of 128 × 2¹³ per revolution supports fine interpolation, while the multi-turn memory tracks up to 4,096 revolutions for homing-free startups. Natural convection removes heat without external fans or liquid cooling circuits, reducing the number of auxiliary components required around the motor housing.
When transient demands exceed the continuous rating, the shaft can deliver up to 28.0 Nm for rapid indexing or short punching strokes. Once the axis stops, a static holding capability of 16.0 Nm maintains the load position without energizing the windings, which is useful on vertical slides or rotary clamps. Dynamic performance is supported by a low rotor inertia of 0.00189 kg·m², allowing quick reversals with moderate drive current. Heat absorbed during peak operation dissipates over a 15-minute thermal time constant, so duty-cycle calculations should account for this interval to prevent cumulative temperature increases. This thermal response permits short bursts of elevated torque while requiring sufficient recovery time between demanding motion cycles.
