SE-C4.210.030-10.150 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SE-C4.210.030-10.150 is part of the SE Synchronous Servo Motors series and operates at a nominal speed of 3000 rpm with a static torque of 21 Nm. It features an electrical time constant of 11.9 milliseconds and a moment of inertia of 4.98 x10^-3 kgm2. The servo motor has a peak current of 158 Amps at 20 degrees Celsius and a winding resistance of 0.51 Ohm.
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Product Description:
The SE-C4.210.030-10.150 is a synchronous servo motor manufactured by Bosch Rexroth Indramat as part of the SE Synchronous Servo Motors series. It converts electrical energy into accurately regulated rotary motion for machine tools, packaging stations, and assembly axes that require quick positioning and repeatable speed control in industrial automation environments. The motor is intended for closed-loop applications where stable speed regulation and precise positioning are important during frequent start-and-stop cycles. This makes it suitable for axes that reverse direction often and must settle quickly after each command.
The motor’s nominal speed is 3000 rpm, which is its rated rotational velocity. It provides a static torque of 21 Nm, allowing it to hold load at standstill without movement. Dynamic response begins with an electrical time constant of 11.9 ms, which indicates how quickly current rises in the stator windings. It also has a mechanical time constant of 3.1 ms, which shows how rapidly the rotor reaches commanded speed. A rotor inertia of 4.98 x10-3 kgm² sets its resistance to acceleration and should be matched to the external load for stable control. Standstill current is 23 A, and winding resistance is 0.51 Ω, so these values affect copper losses while the motor is holding position.
During acceleration the drive can deliver a peak current of 158 A, producing a short-term maximum torque of 57.4 Nm for overcoming friction or moving heavy loads. The torque constant of 0.92 Nm/A links commanded current to produced torque, and a winding inductance of 6.2 mH helps filter current ripple that could disturb control loops. Ramp-up time is limited to 32 ms for rapid start sequences, while the voltage constant is 102 V/1000 rpm for drive matching. The motor has a thermal time constant of 35 min, so it can absorb overloads for short periods before winding temperature rises too far. The shaft is supplied without a keyway, allowing clamp-style couplings that avoid stress concentrations.
