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R911284278 (MHD115A-024-PP0-AN)

MHD Synchronous Motors

  In-Stock, Ships 3-5 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The R911284278 (MHD115A-024-PP0-AN) is a synchronous servo motor from the Bosch Rexroth MHD series, designed for industrial use. It features liquid cooling, a keyed shaft with shaft seal, and an IP65 protected enclosure suitable for demanding environments. This motor integrates a digital servo feedback encoder with absolute position detection exceeding 4096 revolutions. The mechanical configuration includes a 192 mm flange size, 180 mm centering diameter, and 'A' length. Technical data in liquid-cooled operation includes a continuous standstill torque of 32.0 Nm, continuous current of 23.2 A, and a 2000 RPM speed rating. The unit does not include a holding brake, has side A output connector placement, and uses winding code 024.

Technical Specifications

Design
Maintenance-free

Protection Rating
IP65

Overload Protection
Yes

High Dynamics
Yes

Continuous Start-Stop Operation
Yes

Construction
Permanent Magnets and Low Inertia Mass

Length
370 millimeters

Centering Diameter
180 millimeters

Motor Mounting
14-millimeter holes on the motor flange

Shaft
Includes a key and seal

Feedback Method
Digital Servo Feedback

Holding Brake
Not Available

Power Connector
Side A

Cooling Methods
Natural Convection, Liquid Cooling

Coolant Power Loss
1100 Watts

Coolant Inlet Temperature
10 to 40 degrees Celsius

Coolant Volume
0.09 liters

Continuous Torque at Standstill
60.8 Nm

Continuous Current at Standstill
41.2 Amps

Rated Speed
2000 RPM

Rated Torque
52.6 Nm

Rated Current
25.2 Amps

How does the torque constant influence servo output?

The torque constant defines the ratio between current input and mechanical torque generation. The stable proportionality ensures predictable control and accurate torque delivery across varying load conditions.

Why is the rated voltage specified at 380 volts?

The rated voltage optimizes power transfer efficiency and minimizes current-induced losses in industrial environments. The standardized value ensures seamless compatibility with common three-phase servo drive systems.

How does the rotor inertia affect motion control?

The rotor’s moment of inertia influences acceleration response and load stability during rapid transitions. The calibrated mass distribution maintains motion precision under cyclic torque variations.

What effect does winding resistance have on performance?

The winding resistance determines heat buildup and electrical loss during sustained operation. The balanced resistance value supports thermal stability while maintaining efficient torque generation at rated current.

How do inductance values impact control responsiveness?

The inductance defines current change rate and affects dynamic response of the servo system. The optimized inductive characteristics improve control accuracy without introducing excessive current ripple.

MHD115A024PP0AN

MHD115A 024 PP0 AN

mhd115a-024-pp0-an

Internal Product Review

The Bosch Rexroth MHD115A-024-PP0-AN servo motor integrates an advanced HSF encoder with relative position detection and a side A power connector. Its 115 motor size and optimized winding code 024 ensure steady torque delivery. Frequently utilized in packaging robotics, labeling machinery, and electronic assembly setups, it supports efficient motion precision.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MHD115A-024-PP0-AN.
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