SE-C4.210.030-04.037 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SE-C4.210.030-04.037 is part of the SE Synchronous Servo Motors series and operates at a nominal speed of 3000 rpm. This motor provides a standstill torque of 19.8 Nm and has a brake torque of 33 Nm at 20 degrees Celsius. It has a motor inertia of 4.98 x10^-3 kgm2 and uses a brake voltage of 24 VDC.
Internal Product Review
The SE-C4.210.030-04.037 is a Bosch Rexroth Indramat synchronous servo motor with 19.8 Nm standstill torque and 3000 rpm nominal speed. A 24 VDC brake rated at 33 Nm supports confident holding performance in motion-control applications. Strong torque delivery and dependable braking make the servo motor a solid choice for precision axis duty.
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Product Description:
The SE-C4.210.030-04.037 is a permanent-magnet synchronous servo motor manufactured by Bosch Rexroth Indramat within the SE Synchronous Servo Motors series. It converts controlled stator currents into rotational motion that drives feeders, pick-and-place heads, or spindle carriages in automated lines. Integrated analog tachogenerator feedback supplies real-time speed data to the drive controller, enabling tight velocity loops without external encoders. A holding brake is mounted on the shaft so vertical or suspended loads remain secure whenever the control system removes power.
During continuous operation, the motor reaches a nominal shaft speed of 3000 rpm, and its 30 ms ramp-up time lets the drive accelerate from zero to nominal velocity without noticeable delay. At standstill, the winding draws 17.8 A, which produces 19.8 Nm of static torque for tensioning or clamping tasks. The copper resistance of 0.53 Ω limits power losses in the winding. A torque constant of 1.17 Nm/A establishes the linear relationship between phase current and mechanical output. Dynamic current rise is supported by an electrical time constant of 10.3 ms, and the matched voltage constant of 107 V/1000 rpm coordinates with the inverter’s DC link. A tachogenerator delivers 2.7 V/1000 rpm with a maximum ripple of 1.5%, providing analog speed feedback to the control loop.
The permanent-magnet brake generates 33 Nm of holding torque at 24 VDC and requires only 1.0 A to release, minimizing power drawn from the auxiliary supply. When disengaged, its additional inertia of 0.90 × 10⁻³ kg·m² is small compared with the rotor inertia of 4.98 × 10⁻³ kg·m², so the motor can respond quickly to motion commands. Thermal loading is characterized by a heat time constant of 40 min, allowing extended duty cycles before the motor reaches its equilibrium temperature.
