QSK075E-0300-NN-S5-UG0-NNNN Bosch Rexroth Indramat
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The Bosch Rexroth Indramat QSK075E-0300-NN-S5-UG0-NNNN is a synchronous servo motor from the QSK Servo Motors series featuring a plain shaft with shaft sealing ring. It uses natural convection for cooling and has a plug connection that is rotatable to 240 degrees. The motor includes a singleturn optical Hiperface encoder with 128 increments and comes without a holding brake.
Internal Product Review
The QSK075E-0300-NN-S5-UG0-NNNN is a synchronous servo motor with natural convection cooling and a plain shaft with shaft sealing ring. Optical encoder feedback with a Hiperface interface supports accurate motion control and consistent signal performance. A rotatable 240° plug connection is a strong advantage for streamlined installation.
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Product Description:
The QSK075E-0300-NN-S5-UG0-NNNN is a synchronous servo motor produced by Bosch Rexroth Indramat within the QSK Servo Motors series. It is intended for precise motion control in packaging stations, pick-and-place modules, and light handling axes where accurate positioning and quick speed changes are required. The motor uses a plain shaft with a shaft sealing ring to help limit lubricant escape and reduce particle ingress at the output side. Its synchronous design also supports closed-loop control, allowing the connected drive to regulate torque and rotor position with a high degree of repeatability during short-cycle machine operation.
The power, brake, and feedback leads connect through a 240° rotatable plug, which allows the cable outlet to be directed away from nearby machine elements. The motor has a width code of 075 and a length code of E, giving it a compact frame that suits installations where mounting depth and available surface area must be balanced. Heat is removed by natural convection, so no fan is required for cooling. The winding code 0300 identifies the electrical winding arrangement used in this motor. The motor is supplied without a holding brake, so any load that must remain fixed when power is removed requires external restraint or drive-applied holding torque.
Feedback is provided by an encoder that generates 128 sine-cosine periods per revolution, giving the drive a stable position signal for closed-loop motion. Position data is transmitted over the Hiperface interface, which supports communication between the motor feedback system and compatible drive controllers. The encoder uses optical scanning, which helps it resist interference from magnetic stray fields. Its single-turn design reports shaft angle within one mechanical revolution, making it suitable for axes that do not require multi-turn position retention inside the encoder. This feedback arrangement also supports smooth commutation and steady speed regulation across typical servo operating ranges.
