SE-C4.210.030-14.015 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SE-C4.210.030-14.015 is a synchronous servo motor from the SE Synchronous Servo Motors series, offering a nominal speed of 3000 rpm and a static torque of 21 Nm. It features a brake holding torque of 18 Nm with a supply voltage of 24 VDC at 1.0 A. This motor has a peak current of 158 A and a winding resistance of 0.51 Ohm.
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Product Description:
The SE-C4.210.030-14.015 is a synchronous servo motor manufactured by Bosch Rexroth Indramat and included in the SE Synchronous Servo Motors series. In industrial automation, it supplies regulated torque and velocity so that linear stages, rotary indexers, and feed drives can follow programmed motion profiles with high repeatability. The motor works with Rexroth digital amplifiers to close the feedback loop between commanded position and delivered mechanical output. This arrangement supports accurate speed control and repeatable positioning during continuous machine operation.
At a nominal speed of 3000 rpm, the rotor delivers a continuous static torque of 21 Nm while remaining within its thermal envelope. Short overloads can be covered by a maximum torque rating of 57.4 Nm, reached when the drive injects up to 158 A of peak phase current, while routine holding conditions draw 23 A at standstill. Current builds in the windings within an electrical time constant of 11.9 ms, and the mechanical system responds with a 3.1 ms time constant, producing acceleration from zero to rated speed in only 32 ms. The combination of fast current rise and short speed response helps the axis react quickly to load changes. That behavior is useful in packaging and assembly equipment where repeated starts, stops, and short indexing moves are common.
The integrated holding brake resists back-driving loads with 18 Nm of torque and operates from a control supply of 24 VDC ±10% at 1.0 A. Magnetic coupling between stator and rotor is characterized by a torque constant of 0.92 Nm/A and a back-EMF constant of 102 V per 1000 rpm, which supports predictable drive matching. Thermal saturation is gradual because the winding mass needs 35 min to reach equilibrium, allowing intermittent peaks without an immediate temperature rise. The 6.2 mH inductance helps smooth current ripple during switching, while the 0.51 Ω winding resistance contributes to copper losses under load. These electrical properties support stable servo behavior across both dynamic motion and stationary holding conditions.
