SE-B3.033.030-04.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SE-B3.033.030-04.000 is part of the SE Synchronous Servo Motors series and has a flange size of 116 mm and a motor length of 256 mm. The motor delivers a holding torque of 8.0 Nm with a nominal speed of 3000 rpm and a standstill current of 4.0 A. It weighs 8.8 kg and features a shaft diameter of 19 mm and a shaft length of 40 mm.
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Product Description:
The SE-B3.033.030-04.000 synchronous servo motor is produced by Bosch Rexroth Indramat within the SE Synchronous Servo Motors series. It delivers precisely metered torque and speed to servo axes used in conveyors, gantries, and packaging stations. The motor connects to a matched drive controller that regulates phase current and reads tacho feedback for closed-loop performance.
At its nominal operating point, the rotor reaches 3000 rpm, so the application must accommodate that speed and the related gear ratios. A torque constant of 1.02 Nm/A means that each ampere of phase current produces approximately one newton-meter, which helps with drive sizing. During stall, the windings carry 4.0 A of continuous standstill current, which sets the thermal limit for sustained holding duty. Initial load retention is provided by 4.2 Nm of static torque, which is suitable for indexing tables before motion begins. The voltage constant is 112 V/1000 rpm, so the drive must overcome that back electromotive force to maintain acceleration. Additional electrical values include a winding resistance of 7.9 Ω, a 1.8 V/1000 rpm tachogenerator constant, and 1.5% tacho ripple, which indicates the smoothness of the speed feedback signal.
The built-in holding brake engages at 24 V DC and secures the shaft with 8.0 Nm of torque when power is removed. Mounting uses a square flange measuring 116 mm, while the 19 mm diameter shaft extends 40 mm for couplings, pulleys, or gearboxes. Total body length is 256 mm, and the assembly weighs 8.8 kg, which affects installation on lightweight axes. Winding inductance is 60 mH, allowing the drive to modulate current with low ripple during rapid command changes. The brake and shaft dimensions are suitable for servo axes that need secure holding at standstill and direct mechanical coupling.
