Product Description:

The MKE047B-144-AG1-BENN is a servo motor manufactured by Bosch Rexroth Indramat for the MKE Synchronous Motors series. Classified as a servo motor for potentially explosive areas, it is intended to deliver precise position and speed control to machinery installed in hazardous industrial zones where flammable gases or dust can be present. By combining synchronous rotor technology with an explosion-protected housing, the unit provides reliable torque generation for conveyors, mixers, or valve actuators that form part of automated production cells.

Power and feedback cables exit on the B-side, and the connection is completed through a terminal box, allowing rigid armored conduits to be attached without adapter fittings. The stator winding designated 144 matches drive controllers that supply the required voltage constant for this frame size. Position feedback is handled by an optical Hiperface encoder, model S1, that generates 128 discrete increments per revolution and supplies absolute position within one turn for closed-loop regulation. Four magnetic pole pairs establish the synchronous field frequency and help minimize torque ripple. An integrated holding brake delivers 2.2 Nm of static torque so the load remains locked whenever the power stage is disabled.

The housing meets ATEX requirements, enabling the motor to be mounted directly in Zone-classified equipment without secondary enclosures. Class 155 (F) insulation tolerates winding temperatures up to 155 °C, supporting continuous duty at elevated ambient levels common in process environments. Mechanical output is transmitted through a plain shaft. The shaft incorporates a frontal centering hole for balanced coupling alignment, and a shaft seal is fitted to guard against oil ingress. Threading at the shaft end follows the DIN 332 'DS' thread, simplifying attachment of pulling tools during service.