SE-C4.170.030-04.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SE-C4.170.030-04.000 is part of the SE Synchronous Servo Motors series and has a nominal speed of 3000 rpm and a static torque of 17 Nm. The motor features a peak current of 111 Amps, a holding brake torque of 18 Nm, and weighs 21 kilograms. Its motor length is 362 mm, and the winding resistance is 0.68 Ohm.
Internal Product Review
The SE-C4.170.030-04.000 is a Bosch Rexroth Indramat synchronous servo motor with 3000 rpm nominal speed and 17 Nm static torque. A 24 V DC holding brake rated for 18 Nm adds strong axis retention and dependable stopping performance. High torque density and stable electrical characteristics make the motor a very capable choice for demanding motion applications.
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Product Description:
The SE-C4.170.030-04.000 is a synchronous servo motor produced by Bosch Rexroth Indramat within the SE Synchronous Servo Motors series. It converts regulated three-phase power from a compatible drive into precise shaft rotation for positioning, velocity control, and cyclic motion in automated equipment such as pick-and-place arms and feed axes. By combining feedback sensors with the drive’s current loops, this motor delivers commanded torque quickly and maintains repeatable motion profiles required in industrial automation. This operating profile makes it suitable for axes that need steady response during both indexing and continuous movement.
A nominal speed of 3000 rpm is the continuous operating velocity, while a static torque capacity of 17 Nm is available at zero speed. During standstill, the winding draws 19 A, and the controller can supply up to 111 A for short acceleration bursts. Torque rises in direct proportion to current at 0.91 Nm/A, and this value is coordinated with the 9.3 mH winding inductance and 0.68 Ω resistance. These electrical values produce an electrical time constant of 13.6 ms, which supports stable current regulation. The motor also uses a Ø24 × 50 mm shaft for coupling to the driven load.
The integrated holding brake provides 18 Nm of static restraint and releases when 24 V DC ±10% at 1.0 A is applied. Total mass is 21 kg and the housing length is 362 mm, allowing direct mounting in medium-frame machines. Rotor inertia of 4.08 × 10-3 kg·m² moderates speed changes so the drive can decelerate loads in a controlled manner. A back-EMF constant of 104 V/1000 rpm gives the controller a linear voltage reference for sensorless speed estimation and commutation timing. These values suit applications such as gantry axes, indexing tables, and packaging stations where controlled stopping and stable motion are required.
