MKE098B-047-NG1-BUNN Bosch Rexroth Indramat
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MPN: R911308908
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The Bosch Rexroth Indramat MKE098B-047-NG1-BUNN is a servo motor from the MKE Synchronous Motors series designed for potentially explosive areas. It features a continuous torque at standstill of 12 Nm with a current of 9.8 A, and comes with a holding brake providing 11 Nm of torque. The motor has a plain shaft with a frontal centering hole, weighs 18 kg without the brake, and meets UL/CSA housing standards.
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Product Description:
The MKE098B-047-NG1-BUNN servo motor is produced by Bosch Rexroth Indramat within the MKE Synchronous Motors series. It is classified as a servo motor for potentially explosive areas and supplies torque for positioning and speed-controlled axes in industrial automation cells. Its design allows operation in hazardous zones while maintaining accurate feedback and drive compatibility.
The motor delivers a continuous standstill torque of 12.0 Nm when the winding temperature is 60 K above ambient, and sustaining this load requires a continuous current of 9.8 A. For rapid acceleration, the drive can supply up to 44.3 A RMS while remaining within stator thermal limits. Electromechanical conversion efficiency is indicated by the torque constant of 1.41 Nm/A, while back EMF rises linearly with speed at 91.0 V/min⁻¹. The 047 winding variant has a 6.7 nF discharge capacitance that helps suppress voltage spikes. Magnetic field dynamics are shaped by a winding inductance of 1.20 mH, and these electrical values support controller loop tuning in hazardous-area installations.
The rotor moment of inertia is 0.00430 kgm², enabling quick speed changes without large overshoot when coupled to light payloads. Net mass reaches 18.0 kg, excluding the factory-installed holding brake that supplies 11 Nm of static torque to secure vertical loads when power is removed. The motor housing meets UL and CSA requirements and operates in ambient temperatures from 0 to +40 °C without derating. Cabling enters from the B-side through a sealed terminal box, and a shaft seal is installed to reduce ingress in dusty or gaseous areas. Power transmission relies on a plain shaft with a frontal centering hole and a DIN 332 DS thread for puller tools. The winding resistance of 8.400 Ohm factors into the thermal model used by matched drives.
Frequently Asked Questions about MKE098B-047-NG1-BUNN:
Q: What is the continuous standstill torque of the MKE098B-047-NG1-BUNN motor?
A: The MKE098B-047-NG1-BUNN features a continuous torque of 12.0 Nm at standstill and 60K temperature rise.
Q: Does the MKE098B-047-NG1-BUNN motor include a holding brake?
A: This model is equipped with a holding brake that delivers a torque of 11 Nm.
Q: What is the shaft design for the MKE098B-047-NG1-BUNN motor?
A: The shaft on this motor is a plain shaft with a frontal centering hole and a DIN 332 compliant 'DS' thread.
Q: What is the maximum current rating for the MKE098B-047-NG1-BUNN motor?
A: The MKE098B-047-NG1-BUNN supports a maximum current (RMS) of 44.3 A during operation.
Q: What housing standards does the MKE098B-047-NG1-BUNN motor meet?
A: This model complies with UL and CSA housing standards, suitable for installations requiring these certifications.
