SE-B4.130.030-10.150 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SE-B4.130.030-10.150 is a synchronous servo motor from the SE Synchronous Servo Motors series. This model features a flange size of 142 mm and a shaft measuring 24 x 50 mm without a keyway. It offers a peak current of 84 Amps, standstill current of 15 Amps, and a protection class of IP67.
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Product Description:
The SE-B4.130.030-10.150 is a synchronous servo motor produced by Bosch Rexroth Indramat within the SE Synchronous Servo Motors series. This motor is intended for closed-loop industrial axes that demand precise torque and velocity control from a compact rotary actuator. It interfaces with servo drives over standard power and feedback cabling and supplies controlled rotary motion for positioning tables, packaging machinery, and automated handling modules. Its synchronous design supports stable speed regulation and repeatable positioning in applications that require responsive axis movement.
During operation, the unit can deliver a peak current of 84 A, while its standstill current is limited to 15 A to prevent excessive copper heating when the shaft is locked. A torque constant of 0.80 Nm/A links stator current to mechanical torque, allowing the drive to estimate load response accurately. The voltage constant is 99 V/1000 rpm, so the controller must generate proportionate phase voltage as speed rises. Dynamic behavior is aided by a winding inductance of 9.7 mH and an electrical time constant of 9.7 ms, a pairing that helps stabilize current loops without external reactors. This combination supports smooth current buildup during rapid command changes and helps the motor respond predictably under varying load conditions. Power conductors up to 2.5 mm² terminate in the designated connection area, keeping installation straightforward.
The motor body has an IP67 sealing rating, which provides full protection against dust ingress and temporary immersion. Its stator windings present a resistance of 0.96 ohm, a value the drive monitors to limit thermal dissipation under continuous load. Mechanical resilience is supported by shock resistance up to 6 g, and the mounting interface follows the 142 mm flange pattern with construction type IM B5. A centering hole of Ø130 j6 aligns the housing, while the Ø24 × 50 mm shaft is supplied without a keyway or feather key to suit clamp couplings. This shaft arrangement supports direct clamping connections where low backlash and accurate alignment are required.
