SE-B5.700.030-10.037 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SE-B5.700.030-10.037 is a synchronous servo motor from the SE Synchronous Servo Motors series. It has a nominal speed of 3000 rpm, a maximum torque of 147 Nm, and a peak current of 446 Amps. The motor also features a current at standstill of 70 Amps and a voltage constant of 117 V per 1000 rpm.
Internal Product Review
The SE-B5.700.030-10.037 is a Bosch Rexroth Indramat synchronous servo motor that stands out with 147 Nm maximum torque and 3000 rpm nominal speed. A 1.02 Nm/A torque constant paired with 1.4 mH winding inductance supports responsive, controlled motion in demanding servo systems. The motor is a strong choice for high-performance applications requiring stable dynamic behavior.
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Product Description:
The SE-B5.700.030-10.037 is a synchronous servo motor produced by Bosch Rexroth Indramat for the SE Synchronous Servo Motors series. The unit operates as an electromechanical actuator that receives controlled current from a servo drive and delivers precise rotational motion using closed-loop feedback, making it suitable for indexing tables, gantry axes, and auxiliary tooling in automated plants. Its frame suits medium-to-large machines, and the absence of an integral brake allows the motor to be paired with an external holding device when static load retention is required.
Under rated conditions, the motor develops a continuous static torque of 71 Nm, supplying holding torque for presses and feed rollers. During acceleration, it can reach a maximum torque of 147 Nm, providing additional capacity for high-demand motion cycles without oversizing the drive. The shaft can rotate at up to 3000 rpm, a maximum speed that works with common gear ratios in packaging and metal-cutting systems. A torque constant of 1.02 Nm/A relates the delivered torque to the phase current, while a peak current capability of 446 A indicates the highest current permitted during brief overloads. Acceleration from zero to rated speed takes 67 ms, supported by a winding inductance of 1.4 mH and a winding resistance of 0.074 Ω. The shaft has no keyway, so couplings must clamp directly to its cylindrical surface.
During steady operation, the windings draw 70 A at standstill, establishing the thermal baseline for conductors and protective devices. Current rise is governed by an electrical time constant of 19.0 ms, while speed changes follow a mechanical time constant of 1.9 ms; these values indicate responsive current tracking and limited velocity lag. The combined rotor and tachogenerator inertia is 0.0288 kg·m², which helps limit overshoot when the motor reverses direction. A thermal time constant of 53 minutes means the windings heat gradually, permitting intermittent overload operation before they reach their temperature limit. A voltage constant of 117 V/1000 rpm helps the drive calculate back electromotive force during regenerative operation.
