MKE047B-144-CG1-AUNN Bosch Rexroth Indramat
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MPN: R911344959
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The Bosch Rexroth Indramat MKE047B-144-CG1-AUNN is a servo motor from the MKE Synchronous Motors series, designed for potentially explosive areas. It features a terminal box connection on the A-side, uses a 144 winding, and is equipped with an optical multiturn absolute Hiperface encoder with 128 increments. The motor includes a holding brake with a torque of 2.2 Nm, has a plain shaft with a frontal centering hole, and complies with UL/CSA housing standards.
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Product Description:
The MKE047B-144-CG1-AUNN is a servo motor produced by Bosch Rexroth Indramat and supplied within the MKE Synchronous Motors series. Engineered for potentially explosive areas, it delivers regulated rotary motion to pumps, mixers, and positioning tables where flammable vapors may be present. Inside an automation line, the unit converts drive controller current into precise shaft rotation so that process equipment meets the position, speed, and torque targets commanded by PLCs or motion controllers. The design is intended for machine sections that require accurate axis response while also calling for equipment suited to hazardous operating areas.
Cable routing and feedback handling are organized around an A-side mounted terminal box, keeping power, brake, and encoder conductors in a protected chamber. The optical multi-turn Hiperface encoder, model M1, generates 128 absolute increments per revolution, supplying the control system with exact shaft-angle data even after power cycles. A factory-installed holding brake provides 2.2 Nm of static torque so vertical or suspended loads remain secure during downtime. Compliance with UL/CSA housing requirements qualifies the enclosure for North American hazardous locations. Keeping the connection point on one end helps route cables away from the shaft area, and the brake helps prevent unintended movement while the axis is stopped.
Thermal endurance is maintained by insulation rated at 155 (F), allowing elevated winding temperatures without dielectric degradation. The rotor carries 4 pole pairs, which supports smooth torque production at the moderate speeds typical of process machinery. Mechanical coupling is simplified by a plain shaft that includes a front centering hole, while the free-end threads follow the DIN 332 "DS" pattern so standard extraction screws can be used during removal. A shaft seal is present to restrict dust or vapor ingress, and the connection layout keeps encoder and power leads clear of rotating parts. The centering hole and threaded end also help align the shaft and support controlled disassembly when the motor is fitted to a coupling or pulley.
Frequently Asked Questions about MKE047B-144-CG1-AUNN:
Q: What type of encoder is used in the MKE047B-144-CG1-AUNN motor?
A: The MKE047B-144-CG1-AUNN features an optical multiturn absolute Hiperface encoder for precise position feedback.
Q: Does the MKE047B-144-CG1-AUNN motor have a holding brake?
A: This model includes a holding brake that provides a holding torque of 2.2 Nm for secure positioning when powered off.
Q: What type of connection does the MKE047B-144-CG1-AUNN offer?
A: The MKE047B-144-CG1-AUNN uses a terminal box for its electrical connection, facilitating stable wiring in installations.
Q: What shaft features are present on the MKE047B-144-CG1-AUNN servo motor?
A: A plain shaft with a frontal centering hole and a DIN 332 compliant 'DS' thread is featured for accurate coupling.
Q: Is the MKE047B-144-CG1-AUNN compliant with any housing standards?
A: This motor complies with UL and CSA housing standards, making it suitable for installations that require certified electrical safety.
