KSD076C-0350-NN-S1-1P0-NNNN Bosch Rexroth Indramat
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MPN: R911325228
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The Bosch Rexroth Indramat KSD076C-0350-NN-S1-1P0-NNNN is part of the KSD IndraDrive Mi Motors series and features an optical single-turn encoder with SERCOS RS422 communication. It delivers a rated power of 1240 watts and a maximum torque of 29 newton-meters, with a protection class of IP65. The motor weighs 14.5 kilograms, operates at a maximum current of 17.7 amps, and uses a connecting voltage of 750 volts DC.
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Product Description:
The KSD076C-0350-NN-S1-1P0-NNNN is an integrated servo drive and motor unit produced by Bosch Rexroth Indramat for the KSD IndraDrive Mi Motors series. It combines power electronics, a feedback system, and an actuator in a single housing to simplify decentralized machine layouts. Communication with higher-level motion controllers occurs over SERCOS (RS-422), allowing deterministic, real-time exchange of position and status data. An optical single-turn encoder supplies absolute shaft angle information to the embedded drive logic, eliminating the need for external feedback wiring. With a mass of 14.5 kg, the assembly mounts directly on moving axes without adding excessive load.
The unit operates from a bus supply of 750 V DC, and the internal converter delivers a continuous mechanical output of 1240.0 W. Peak electrical demand can rise to 17.7 A, so upstream supplies and cabling must be sized to handle this transient current. During rapid acceleration, the magnetic circuit can generate up to 29.0 Nm of torque, which indicates the maximum torque available before current limiting occurs. The unit has an IP65 enclosure rating, protecting its integrated electronics and bearings against dust ingress and water jets. This protection supports installation near machinery where airborne particles or water spray may be present during normal operation.
A rotor inertia of 0.00430 kg·m² supports quick speed changes while keeping servo stiffness suitable for precise interpolation. At the permitted winding temperature rise, the motor sustains a standstill torque of 8.7 Nm, enabling stable holding of vertical or high-friction loads through motor torque. The thermal time constant is 25 minutes, providing a predictable temperature rise profile for duty-cycle calculations. Torque increases linearly with current according to a torque constant of 1.85 Nm/A. The generated back voltage follows a constant of 113.8 V/1000 rpm, supporting model-based control and energy recovery calculations. These electrical relationships allow the embedded drive to estimate motor behavior as current and rotational speed change during operation.
