KSD071C-0350-NN-S1-1G2-NNNN Bosch Rexroth Indramat
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MPN: R911321364
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The Bosch Rexroth Indramat KSD071C-0350-NN-S1-1G2-NNNN is part of the KSD IndraDrive Mi Motors series and has a rated power of 1325 watts. It delivers a continuous torque of 10 Nm and a maximum torque of 28 Nm, with a holding torque of 16 Nm. This motor features an IP65 protection rating, weighs 15.1 kg, and uses natural convection cooling.
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Product Description:
The KSD071C-0350-NN-S1-1G2-NNNN direct-drive servo unit is produced by Bosch Rexroth Indramat within the KSD IndraDrive Mi Motors series. It combines a motor and decentralized drive electronics in one housing, allowing it to be mounted close to the load so cabinet wiring is reduced. In automated packaging, handling, or printing stations, this integrated design supplies position and speed control for axes that require a high dynamic response without separate drive modules. Integrating the power stage and feedback devices also reduces the heat generated inside the control cabinet.
At the shaft, the motor can deliver a continuous torque of 10 Nm under rated thermal conditions, while momentary peaks reach 28 Nm for acceleration or shock loads. The electronic section tolerates up to 17.7 A of phase current before regulation limits are reached, and this current supports a mechanical output of 1325 W at nominal operating speed. The aluminum housing is sealed to IP65, keeping dust and water jets away from the windings. Heat is removed through natural convection, so external fans are unnecessary. An optical single-turn absolute encoder with 128 × 2¹³ counts per revolution supplies high-resolution position data to the IndraDrive control loop. A holding brake with 16 Nm of torque secures vertical axes when power is removed.
Drive matching is supported by an electromagnetic constant of 1.85 Nm/A, allowing the controller to predict torque production from measured current. The rotor inertia of 0.00189 kg·m² balances responsiveness with load stability, helping multi-axis gantries avoid overshoot during rapid indexing. The thermal time constant is 15 min, indicating how quickly the winding temperature approaches a new steady state during load changes and helping establish allowable duty cycles. With a total mass of 15.1 kg, the assembly can be mounted directly on moving carriages without excessive structural reinforcement. The voltage constant of 114 V per 1000 rpm relates motor speed to the generated back electromotive force and supports accurate drive configuration.
