SF-A3.0068.030-00.050 Bosch Rexroth Indramat
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MPN: 1070076576
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The Bosch Rexroth Indramat SF-A3.0068.030-00.050 is part of the SF Servo Motors series and features a 116 mm flange size with IM B5 mounting. It has an absolute encoder, a rated speed of 3000 rpm, and delivers a locked-rotor torque of 6.8 Nm. This servo motor includes IP67 protection, utilizes keyway plus feather key shaft style, and is equipped with 2 NTC temperature sensors.
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Product Description:
The SF-A3.0068.030-00.050 belongs to the SF Servo Motors series manufactured by Bosch Rexroth Indramat. It is a brushless AC servo motor intended for precise speed and position control on automated machinery such as pick-and-place modules, packaging actuators, and gantry axes. Brushless operation removes commutator wear and supports smooth response during frequent start-stop cycles. This makes the motor suitable for equipment that runs repeated motion sequences throughout a shift. Its compact frame helps the motor fit tightly spaced axis layouts where repeatable motion and dependable feedback are required.
The motor reaches a rated speed of 3000 rpm, giving controllers a wide dynamic range without mechanical gearing. A torque constant of 1.36 Nm/A links drive current to output torque, simplifying current-loop tuning. During start-up or stall, it can deliver a locked-rotor torque of 6.8 Nm while drawing a locked-rotor current of 5.0 A, allowing machines to overcome static friction before accelerating. Enclosure sealing is classified as IP67, so the stator windings and encoder remain isolated from dust and temporary liquid immersion on washdown lines. The output shaft measures 19 mm in diameter and 40 mm in length, and it uses a keyway with a feather key for positive coupling. Dual NTC temperature sensors inside the windings monitor thermal load so the drive can respond before overheating develops.
System inertia is kept low at 11 × 10-4 kg·m², which supports rapid acceleration commands and short settling times. Installation is handled through a flange diameter of 116 mm, and this interface mates directly to planetary gearboxes or adapter plates. Position feedback is provided by an absolute encoder, letting the axis report an exact position after power-up without a homing move. The housing is prepared for vertical or horizontal layouts through IM B5 mounting, which supports face-mounted installation on machine frames. This arrangement suits indexing axes and transfer mechanisms that need accurate restart behavior after planned or unplanned power interruptions.
Frequently Asked Questions about SF-A3.0068.030-00.050:
Q: What type of encoder does the SF-A3.0068.030-00.050 servo motor have?
A: This motor uses an absolute encoder for feedback.
Q: What are the dimensions and style of the SF-A3.0068.030-00.050 shaft?
A: The output shaft is 19 mm in diameter and 40 mm in length, featuring a keyway with a feather key for secure coupling.
Q: What is the locked-rotor torque rating for the SF-A3.0068.030-00.050?
A: The locked-rotor torque of this motor is 6.8 Nm.
Q: What level of protection does the SF-A3.0068.030-00.050 servo motor offer?
A: This model is rated for IP67 protection against dust and immersion in water.
Q: How many temperature sensors are present in the SF-A3.0068.030-00.050 and what type are they?
A: It is equipped with two NTC temperature sensors for monitoring internal motor conditions.
