SE-LB3.075.030-10.150 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SE-LB3.075.030-10.150 is a synchronous servo motor from the SE Synchronous Servo Motors series with a nominal speed of 3000 rpm and a static torque of 9.3 Nm. It features IP67 housing protection, a peak current of 57 Amps, and a voltage constant of 113 V per 1000 rpm. The motor also has a thermal time constant of 32 minutes and a shock resistance of 6 g.
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Product Description:
The SE-LB3.075.030-10.150 is a synchronous servo motor produced by Bosch Rexroth Indramat within the SE Synchronous Servo Motors series. It is intended for closed-loop positioning and velocity tasks in industrial automation, supplying controlled rotary motion to packaging stations, pick-and-place heads, and indexing tables. The motor is suited to environments where precise speed regulation, fast dynamic response, and compact installation are required for integrated drive axes and gantry systems.
At a nominal operating point of 3000 rpm, the motor sustains a shaft output that remains stable throughout its rated load range. When stationary, it can deliver 9.3 Nm of static torque, and acceleration bursts are supported by a peak line current of 57 A. The windings draw 9.5 A at standstill, while a mechanical time constant of 3.3 ms complements the 10.2 ms electrical time constant to provide responsive speed changes. An enclosure rated at IP67 prevents dust ingress and allows temporary immersion. The motor withstands shocks up to 6 g without loss of calibration. Winding resistance is 2.1 Ω, and a tachogenerator produces 2.7 V per 1000 rpm for speed monitoring.
Torque generation is characterized by a constant of 0.98 Nm/A, giving nearly one newton-meter for every ampere commanded by the drive. Back EMF is proportional to speed at 113 V/1000 rpm, so the controller must provide adequate voltage headroom for fast transients. Thermal soak rises slowly because the motor’s mass and surface area produce a 32 min thermal time constant, permitting intermittent overloads without immediate overheating. Magnetic energy storage is influenced by a stator inductance of 21 mH, which filters current ripple and improves smoothness during low-speed motion.
