MKE047B-144-CG0-AUNN Bosch Rexroth Indramat
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MPN: R911373868
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The Bosch Rexroth Indramat MKE047B-144-CG0-AUNN is a servo motor from the MKE Synchronous Motors series designed for use in potentially explosive areas. It has an optical multiturn absolute Hiperface encoder with 128 increments and four pole pairs. The motor features a terminal box connection on the A-side, a plain shaft with a shaft seal, and complies with UL/CSA housing standards.
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Product Description:
The MKE047B-144-CG0-AUNN is a synchronous servo motor produced by Bosch Rexroth Indramat within the MKE Synchronous Motors series. Classified as a servo motor for potentially explosive areas, it delivers rotational motion for actuators and positioning systems where an electric drive must meet hazardous-location requirements. The type code includes winding 144 and refers to the manufacturer’s MKE mechanical platform for compact installation in industrial automation cells. This focus on protected operation makes the motor suitable for machinery installed where ignition control is an important design requirement.
For system wiring, the power and feedback conductors exit on the A-side through a sealed terminal box. Inside the stator, winding code 144 pairs with an insulation system rated at 155 (F), so the copper can operate up to 155 °C before thermal limits are reached. The motor has 4 pole pairs, which set the electrical frequency-to-speed relationship between the inverter output and the rotor. Position feedback resolution comes from an optical measuring disc that yields 128 increments per revolution, supplying coarse incremental information alongside the absolute track. These features allow the drive controller to coordinate torque production with inverter output while observing the motor’s thermal limits during operation.
The integrated feedback unit is a multiturn absolute Hiperface optical encoder version M1, giving the controller absolute position data across multiple revolutions without a battery. The motor is supplied without a holding brake, so external mechanics must secure loads when power is removed. Housing materials and clearances follow UL/CSA construction rules for North American hazardous locations. A shaft seal is fitted, and the rotor end includes a frontal centering hole to help align couplings during installation. Drive torque is delivered through a plain shaft that carries a DIN 332 'DS' thread for puller attachment during service, which supports removal when a tightly fitted coupling must be separated from the shaft.
Frequently Asked Questions about MKE047B-144-CG0-AUNN:
Q: What type of encoder is equipped on the MKE047B-144-CG0-AUNN motor?
A: This model uses an optical encoder with multiturn absolute Hiperface and 128 increments for precise feedback.
Q: Does the MKE047B-144-CG0-AUNN motor have a holding brake?
A: The MKE047B-144-CG0-AUNN does not include a holding brake as standard.
Q: What is the shaft design and specification for the MKE047B-144-CG0-AUNN?
A: This servo motor features a plain shaft with a frontal centering hole, DIN 332 compliant 'DS' thread, and a shaft seal.
Q: Which housing standards does the MKE047B-144-CG0-AUNN motor comply with?
A: The housing of this motor complies with UL and CSA standards for safety and quality.
Q: Where is the electrical connection located on the MKE047B-144-CG0-AUNN motor?
A: Electrical connection is provided on the A-side of the motor via a terminal box.
