KSM01.2B-041C-42N-M1-HP0-SE-NN-D7-NN-FW Bosch Rexroth Indramat
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MPN: R911320573
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The Bosch Rexroth Indramat KSM01.2B-041C-42N-M1-HP0-SE-NN-D7-NN-FW is a motor-integrated servo drive from the KSM Motor Integrated Servo Drives series with a hybrid connector and uses natural convection cooling. It features an optical Hiperface encoder with multi-turn absolute technology, offers a shaft with keyway, and operates at a supply voltage of DC 750 V. This model does not include a holding brake and uses the SERCOS 2 communication protocol.
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Product Description:
The KSM01.2B-041C-42N-M1-HP0-SE-NN-D7-NN-FW is a motor-integrated servo drive produced by Bosch Rexroth Indramat for the KSM Motor Integrated Servo Drives series. By merging drive electronics and a synchronous motor inside one enclosure, it supplies decentralized motion control to conveyors, pick-and-place heads, and compact gantries where external cabinets are impractical. This integrated layout reduces external wiring and places the power stage close to the axis for compact machine designs.
This unit is wired through a Hybrid Connector that carries power, feedback, and fieldbus lines in a single plug, simplifying installation on moving axes. Heat is removed by natural convection, so no fans or liquid circuits are required when the drive operates in its specified mounting orientation. The design is the standard option and corresponds to design version 2 within series 1, giving it the baseline mechanical features of the family. Size 041 and motor length C set the frame envelope used when matching to gearboxes or direct-drive shafts, while the performance level is basic. Position feedback uses a Hiperface interface, and optical scanning produces 128 signal periods per mechanical turn to deliver fine resolution to the controller. Command and diagnostic data are exchanged over SERCOS 2 (RS422), allowing deterministic timing on multi-axis networks.
The optical encoder supplies multi-turn absolute position data, so the axis reports its position after a power cycle without a homing move. The drive is powered from a shared DC bus at DC 750 V, which lets several KSM modules regenerate energy back to a central supply. A hardened shaft with a keyway transfers torque, and an integral shaft seal helps prevent grease or coolant ingress during washdown. The winding code is 42, which matches the motor's electrical constants to the specified supply voltage. This version is delivered without a holding brake, so static load retention must be provided externally.
