MKE047B-144-KG1-BENN Bosch Rexroth Indramat
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MPN: R911294249
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The Bosch Rexroth Indramat MKE047B-144-KG1-BENN is a servo motor for potentially explosive areas, part of the MKE Synchronous Motors series. It features a B-side terminal box connection, a plain shaft with a frontal centering hole, and a DIN 332 compliant DS thread. The motor is equipped with a holding brake with a torque of 2.2 Nm, has 4 pole pairs, and meets the ATEX housing standard.
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Product Description:
The MKE047B-144-KG1-BENN belongs to the MKE Synchronous Motors series produced by Bosch Rexroth Indramat. It is a servo motor intended for installation in potentially explosive atmospheres where dependable motion control is required for pumps, mixers, or positioning axes. The motor’s mechanical design, thermal capability, and electrical winding arrangement are selected to maintain repeatable torque in hazardous zones while pairing directly with IndraDrive controllers for closed-loop automation. This type of motor is suited to applications that need controlled acceleration, stable low-speed operation, and reliable motion behavior in areas where ignition protection is essential.
The electrical interface is arranged so that power and feedback cables exit on the B-side, and all terminations are made inside a terminal box that shields the joints from dust and gas ingress. Its housing meets ATEX requirements, providing an ignition-protected enclosure when the motor surface temperature stays within the permitted class limits. A permanent-magnet holding brake is integrated and generates 2.2 Nm of static torque, allowing the load to remain stationary during power loss. Windings insulated to class 155 (F) tolerate winding temperatures up to 155 °C, and a shaft seal limits vapor ingress toward the bearing set to support operation in humid or solvent-rich environments.
The rotor carries 4 pole pairs, giving the drive a moderate electrical frequency for smooth low-speed control without excessive inverter switching rates. Winding code 144 indicates the resistance and inductance values expected by the matching drive, helping the velocity loop respond predictably with low phase lag. A plain shaft is supplied for direct coupling, and a DIN 332 ‘DS’ thread is tapped in the centering hole to accept extraction tools during service. This shaft arrangement supports coupling to gearboxes or belt pulleys while preserving concentric alignment at the drive end.
Frequently Asked Questions about MKE047B-144-KG1-BENN:
Q: What level of holding brake torque does the MKE047B-144-KG1-BENN servo motor offer?
A: The MKE047B-144-KG1-BENN is equipped with a holding brake that provides a torque of 2.2 Nm for secure position holding.
Q: What type of shaft does the MKE047B-144-KG1-BENN servo motor include?
A: This model features a plain shaft with a frontal centering hole for accurate mounting and shaft alignment.
Q: How is the electrical connection arranged on the MKE047B-144-KG1-BENN?
A: The electrical connection is provided via a terminal box located on the B-side of the motor.
Q: Does the MKE047B-144-KG1-BENN comply with any hazardous area standards?
A: The housing of this motor complies with ATEX standards, indicating suitability for potentially explosive environments.
Q: Is the MKE047B-144-KG1-BENN servo motor fitted with a shaft seal?
A: A shaft seal is included on this motor, helping protect against the ingress of contaminants at the shaft interface.
