R911257815 (MDD112C-N-030-N2M-130PA0)

MDD Synchronous Motors

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MPN R911257815 (MDD112C-N-030-N2M-130PA0) is a Bosch Rexroth Indramat MDD synchronous motor with a size 112 and C-length configuration, weighing 48 kg. The motor delivers a nominal speed of 3000 min⁻¹ and achieves continuous torque and current at standstill values of 28 Nm and 43.4 A, with a peak current of 166.4 A. It features a digital servo feedback system equipped with an integrated multiturn absolute encoder capable of detecting up to 4096 revolutions. The centering diameter is 130 mm, and the output shaft has a sealed keyway. Power is supplied via a connector on side A, accommodating cable lengths up to 75 meters. The housing is standard, with a shaft seal, and optimal operation is within an ambient temperature range of 0 to 45°C.

Technical Specifications

Motor Family
MDD synchronous motors

Size
112

Length
C

Weight
48 kilograms

Nominal Speed
3000 revolutions per minute

Brake
Without Blocking Brake

Detection Range
4096 motor revolutions

Housing
Standard

Maintenance Temperature
0 to 45 degrees Celsius

Location of Power Connector
Side A

Max Length of Power Cable
75 meters

Centering Diameter
130mm

Output Shaft
With Keyway

Balance Class
N

Continuous Torque at Standstill
28 Nm

Continuous Current at Standstill
43.4 Amps

Peak Operation Current
166.4 Amps

Torque Constant at 20 degrees Celsius
0.65 Nm/A

Max Elevation for Operation
1000 meters

Max Operating Temperature
45 degrees Celsius

Color
Black

Product Availablity
Available from Indramat USA.

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Internal Product Review

The Bosch Rexroth Indramat MDD112C-N-030-N2M-130PA0 motor comes from the MDD series. It features a nominal speed of 3000 rpm, a continuous torque of 28.0 Nm and an integrated multiturn absolute encoder. This motor finds applications in automation lines, machine tools and high-accuracy positioning systems.