MHP112B-058-HG1-ANNNNN Bosch Rexroth Indramat
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MPN: R911288339
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The Bosch Rexroth Indramat MHP112B-058-HG1-ANNNNN is part of the MHP Synchronous Motors series and features a plain shaft with sealing ring and a holding brake providing 22.0 Nm torque. The motor has an insulation class F, IP65 protection rating, and allows an ambient operating temperature from 0 to 40°C. It uses an incremental encoder with 2048 increments for motor feedback and offers continuous torque at standstill between 28.0 and 31.0 Nm through natural convection.
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Product Description:
The MHP112B-058-HG1-ANNNNN synchronous servo motor is produced by Bosch Rexroth Indramat within the MHP Synchronous Motors series. It converts electrical energy into regulated mechanical rotation for industrial automation, supplying closed-loop torque and speed to axes driven by Indramat digital controllers. This type of motor is suited to positioning and speed-controlled applications where repeatable response is needed during acceleration, dwell, and deceleration. Heat is removed by natural convection through the ribbed housing, eliminating the need for external blowers. The power connector is oriented toward side A, which helps keep cable runs compact inside machine frames and can simplify routing in confined installations.
In continuous operation, the motor can deliver a standstill torque of 28.0 to 31.0 Nm, allowing substantial holding force during low-speed positioning tasks. An integrated holding brake generates 22.0 Nm of static torque so suspended loads remain fixed when the drive is disabled. The cast-aluminum enclosure carries an IP65 rating, blocking dust and water jets encountered on factory floors. Rotor position is reported through an incremental encoder with 2048 increments, giving a fine feedback signal for stable speed regulation and accurate position tracking. The windings use F thermal class insulation, which supports elevated internal temperatures during normal motor operation.
The specified ambient range of 0 to +40 °C supports rated operation in typical indoor industrial conditions. With a frame size of 112, the motor fits the larger mechanical envelope used for higher torque capacity while keeping inertia at a practical level for servo duty. Electromagnetic behavior is matched to the drive by winding code 058, which identifies the resistance and inductance values used for this variant. Output torque is transferred through a plain shaft with a sealing ring, so the motor can connect directly to couplings while helping keep lubricant inside the bearing area and contaminants away from internal components.
Frequently Asked Questions about MHP112B-058-HG1-ANNNNN:
Q: What is the operating temperature range for the MHP112B-058-HG1-ANNNNN motor?
A: The MHP112B-058-HG1-ANNNNN motor supports an ambient temperature range of 0 to +40°C during operation.
Q: What is the continuous standstill torque of the MHP112B-058-HG1-ANNNNN motor?
A: This model provides a continuous torque at standstill between 28.0 and 31.0 Nm using natural convection cooling.
Q: What type of drive shaft does the MHP112B-058-HG1-ANNNNN motor have?
A: The drive shaft on this motor features a plain design with a sealing ring for secure transmission and improved sealing.
Q: Does the MHP112B-058-HG1-ANNNNN motor come with a holding brake and what is its torque?
A: A holding brake is included with the MHP112B-058-HG1-ANNNNN, providing a braking torque of 22.0 Nm.
Q: What kind of feedback encoder is used in the MHP112B-058-HG1-ANNNNN motor?
A: This motor uses an incremental encoder that offers 2048 increments for feedback.
