MKE047B-144-CG0-BE0N Bosch Rexroth Indramat
MPN: R911402252
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The Bosch Rexroth Indramat MKE047B-144-CG0-BE0N is a servo motor for potentially explosive areas from the MKE Synchronous Motors series. It features an optical multiturn absolute Hiperface encoder with 128 increments and is insulated to class 155 F. The motor has a B-side terminal box connection, a plain shaft with frontal centering hole, and complies with ATEX housing standards.
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Product Description:
The MKE047B-144-CG0-BE0N is a synchronous servo motor produced by Bosch Rexroth Indramat and supplied within the MKE Synchronous Motors series. It is intended for drive systems installed in potentially explosive areas, where it converts regulated electrical power from a controller into rotational motion for pumps, mixers, or positioning axes. Compliance with hazardous-zone requirements allows the unit to provide closed-loop speed and position control without requiring separate flameproof enclosures. This makes the motor suitable for automated processes that need controlled motion in areas where ignition risk must be carefully managed.
Within this model, enclosure materials and clearances follow ATEX requirements so that ignition sources remain contained. The stator uses class 155 (F) insulation, allowing continuous service at winding temperatures up to 155 °C before thermal aging accelerates. A magnetic layout of 4 pole pairs establishes the electrical frequency relationship needed for synchronous operation and influences torque ripple behavior. Feedback is supplied by an M1 encoder that resolves shaft position with 128 increments, and the signal travels over the Hiperface channel provided by the integrated Optical encoder, Multiturn absolute Hiperface assembly. These features support accurate commutation and let the drive recover absolute position after a power interruption.
Power and feedback conductors terminate in a terminal box oriented on the B-side, which keeps cable routing away from driven load hardware. The rotor has a plain shaft with a DIN 332 'DS' thread in the front centering hole, allowing precise coupling to gearheads or pulleys while also providing a puller attachment point. A shaft seal helps block vapor ingress into the bearing space, and the motor is delivered without a holding brake to reduce axial length. The 144 stator winding matches drive catalogs that provide the required voltage constant for stable torque production under variable-frequency control.
Frequently Asked Questions about MKE047B-144-CG0-BE0N:
Q: What type of encoder is integrated into the MKE047B-144-CG0-BE0N motor?
A: The MKE047B-144-CG0-BE0N features an optical encoder that is multiturn absolute with Hiperface protocol.
Q: Is a holding brake included with the MKE047B-144-CG0-BE0N synchronous motor?
A: This model comes without a holding brake installed from the factory.
Q: What shaft design does the MKE047B-144-CG0-BE0N motor have?
A: The shaft design is plain and includes a frontal centering hole for mounting.
Q: Which standard for hazardous environments does the MKE047B-144-CG0-BE0N comply with?
A: Compliance with the ATEX standard allows operation in potentially explosive areas.
Q: Where is the electrical connection situated on the MKE047B-144-CG0-BE0N motor?
A: The electrical connection is located on the B-side of the motor via a terminal box.