SE-B3.075.030-10.000

SE Synchronous Servo Motors

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The SE-B3.075.030-10.000 is a synchronous servo motor manufactured by Bosch Rexroth Indramat for the SE Synchronous Servo Motors series. It serves as a compact rotary drive element in industrial automation, turning electrical power into accurately regulated motion for pick-and-place arms, indexing tables, and other closed-loop positioning axes.

The motor runs at a nominal speed of 3000 rpm, providing cycle consistency for equipment matched to standard servo drives. It can sustain a holding load with 9.3 Nm of static torque while drawing 9.5 A of standstill current, and it supports acceleration bursts up to 57 A of peak current. Coil dynamics are characterized by an electrical time constant of 10.2 ms; in tandem, the rotor’s mechanical time constant of 3.3 ms allows fast torque buildup. An IP67 enclosure blocks dust ingress and withstands immersion, enabling installation near coolants or wash-down zones. With 21 mH of phase inductance and 2.1 Ω of phase resistance, the current loop remains stable over the full operating range.

The drive reaches rated speed in 30 ms, yet it can deliver up to 18.6 Nm of maximum torque for short process peaks. A torque constant of 0.98 Nm/A links command current directly to shaft output, simplifying feed-forward gain settings in the controller. Thermal saturation is delayed by a 32-minute thermal time constant, supporting intermittent overload without exceeding insulation limits. The IM B5 flange construction aligns the housing to gearboxes or machine frames without additional brackets, combining mechanical precision with electrical responsiveness for demanding motion platforms.