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R911287421 (MHD115A-024-PP1-BN)

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

Current response time:

6 Minutes 9 Seconds

The R911287421 (MHD115A-024-PP1-BN) is a synchronous servo motor designed for precise motion control applications. It is equipped with a multiturn absolute encoder for determining absolute position and speed. The motor delivers a peak torque of 110 Nm and handles a maximum current of 98 A. Key parameters include a voltage constant of 150 V/1000min-1, winding resistance of 0.66 ohms, and moment of inertia of 65.0 x 10-4 kgm2. It is cooled by both convection and liquid cooling, with a thermal time constant of 20 or 60 minutes. The device is fitted with a 3.8 kg holding brake generating 70 Nm torque. Dimensions feature a centering diameter of 180 mm, flange size of 192 mm, and a length coded as 'A'. The motor incorporates a keyed output shaft with a seal ring, side B power connection, and complies with insulation class F and IP65 protection requirements. It maintains operational stability in environments from 0°C to +40°C and altitudes up to 1000 meters.

Technical Specifications

Encoder Type
Multiturn Absolute Encoder

Maximum Torque
110 Nm

Peak Current
98 A

Moment of Inertia
65.0 x 10-4 kgm2

Voltage Constant
150 V/1000min-1

Winding Resistance
0.66 Ohms

Thermal Time Constant
20/60 minutes

Weight
30 Kg

Holding Brake
3.8 Kg

Holding Torque
70 Nm

Operating Temperature
0 to +40 degrees Celsius

Operating Altitude
Less than 1000 Meters

Protection Degree
IP65

Insulation Class
F

Maximum Rotational Speed
4000 RPM

Power Hook-up
B side of housing

Natural Cooling Rated Torque
14.9 Nm

Natural Cooling Rated Voltage
309 Volts

Liquid Cooling Rated Performance
13.8 kW

Liquid Cooling Rated Current
25.2 A.

What defines the continuous torque at standstill?

The continuous torque at standstill represents the torque sustained without overheating under rated conditions. The specification ensures stable holding force during static load applications.

How does the voltage constant affect performance?

The voltage constant indicates the back EMF generated per rotational speed unit. The parameter helps match drive controllers and ensures precise speed regulation.

Why is the winding resistance important to consider?

The winding resistance influences copper losses and thermal efficiency in continuous operation. The value assists in estimating temperature rise and efficiency during extended load cycles.

What is the function of the torque constant?

The torque constant defines the torque generated per ampere of current. The specification supports accurate torque control and simplifies drive tuning for predictable response.

How does insulation class F impact motor design?

The insulation class F defines the permissible thermal endurance of winding materials. The classification allows reliable operation in demanding environments while preventing premature insulation degradation.

MHD115A024PP1BN

MHD115A 024 PP1 BN

mhd115a-024-pp1-bn

Internal Product Review

The Bosch Rexroth MHD115A-024-PP1-BN servo motor includes a digital HSF encoder, relative position sensing, and natural convection cooling for reliable performance. Its 115 motor frame, sealed plain shaft, and side A output connection provide stable operation. Commonly used in material transfer systems, palletizing robotics, and automated inspection machinery, it ensures precise motion execution.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MHD115A-024-PP1-BN.
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