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R911293552 (MHD071B-061-NP2-UN)

MHD Synchronous Motors

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The Rexroth synchronous servo motor R911293552 (MHD071B-061-NP2-UN) features a frame size of 71 with length B, flange size 115 mm, and centering diameter 95 mm. It utilizes a keyed shaft with a shaft seal and includes a 6.5 Nm holding brake. The power connector is turnable within a range of 270 degrees. This unit supports digital servo feedback (HSF) for relative position detection. The winding code is 061, yielding a voltage constant of 70.0 V/1000 RPM and a winding inductance of 7.2 mH at 20°C. Rated for continuous torque at standstill of 8.0 Nm, it achieves up to 32 Nm peak torque, with a characteristic speed of 4500 RPM and a maximum speed of 6000 RPM. It is designed for natural convection or surface cooling operation within 0 to 40°C ambient temperature.

Technical Specifications

Use
Industrial Applications

Motor Frame Size
71

Motor Frame Length
B

Servo Feedback
Digital

Motor Shaft Keyway
DIN 6885-1

Power Connector
270 Degrees Turnable

Holding Brake
6.5 Nm

Cooling Method
Natural Convection/Surface

Characteristic Motor Speed
4500 RPM

Peak Current Rating
50.5 Amps

Torque Constant at 20C
0.77 Nm/A

Voltage Constant
70.0 Volts/1000 RPM

Winding Resistance at 20C
1.45 Ohms

Winding Inductivity
7.2 mH

Rotor Moment of Inertia
8.7 x 10-4 kg m2

Theoretical Maximum Torque
32 Nm

Maximum Speed
6000 RPM

Motor Mass
8.8 Kilograms

Ambient Temperature Range for Storage
-20 to 80 Degrees Celsius

Ambient Temperature Range for Operation
0 to 40 Degrees Celsius

Installation Height
Up to 1000 Meters Above Sea Level.

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1620 Old Apex Road
Cary, NC 27513, USA

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Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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Toll Free: 1-888-551-3082
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