SE-LB3.033.030-14.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SE-LB3.033.030-14.000 is a servo motor from the SE Synchronous Servo Motors series with a nominal speed of 3000 rpm and a peak current of 24 Amps. It has a holding torque of 8.0 Newton-meters and a mass of 9.2 kilograms. The motor operates at a brake supply voltage of 24 Volts and features a torque constant of 1.02 Newton-meters per amp.
Internal Product Review
The SE-LB3.033.030-14.000 is an impressive synchronous servo motor with 3000 rpm nominal speed and 9.1 Nm maximum torque. Holding torque of 8.0 Nm and a 1.02 Nm/A torque constant support confident axis control and efficient servo response for dynamic motion applications.
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Product Description:
The SE-LB3.033.030-14.000 is a synchronous servo motor produced by Bosch Rexroth Indramat within the SE Synchronous Servo Motors series. Designed for closed-loop motion axes, the unit converts controlled drive current into precise rotary displacement for positioning tables, pick-and-place heads, and similar industrial automation equipment. The flange dimensions match standard IEC patterns, allowing straightforward coupling to compatible gearboxes and machine assemblies.
The motor achieves a nominal speed of 3000 rpm while delivering up to 9.1 Nm of peak torque in the SM 5/10 duty class. During acceleration bursts, the drive may supply 24 A of peak phase current, which is compatible with the motor’s copper cross-section and thermal design. The motor has a torque constant of 1.02 Nm/A, providing approximately one newton-meter of shaft torque for each ampere of armature current. A winding inductance of 60 mH influences the current rise time and requires suitable pulse-width modulation filtering in the controller. Continuous stall operation draws 4.0 A of standstill current, while the 7.9 Ω phase resistance determines copper losses during operation. A keyed shaft measuring 19 mm in diameter and 40 mm in length transfers mechanical power to the connected load. The housing has an overall length of 263 mm, allowing the motor to fit into compact machine layouts without requiring an extended mounting area.
An electrically released holding brake operates from a supply of 24 V ±10% and clamps the rotor with 8.0 Nm of torque whenever power is removed. The rotor inertia is 0.81 × 10⁻³ kg·m², balancing quick acceleration with stable velocity control during rapid motion cycles. The assembled motor has a mass of 9.2 kg, which simplifies positioning and support during installation. The brake coil draws 0.8 A under nominal operating conditions, limiting the additional load placed on the control supply. A static motor torque of 4.2 Nm allows the energized shaft to resist external disturbances while holding its commanded position.
