MDD090C-N-030-N2L-130PL1

MDD Synchronous Motors

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The MDD090C-N-030-N2L-130PL1 motor from Bosch Rexroth Indramat is part of the MDD Synchronous Motors series. It features a blocking holding brake with 6.5 Nm torque, delivers a continuous standstill torque of 10.4 Nm, and runs at a nominal speed of 3000 min⁻¹. The motor has a centering diameter of 130 mm, motor size 090, and uses a length code C. It provides digital servo feedback (DSF) and connects via a connector.

Technical Specifications

Balancing
Standard

Holding Brake
With blocking brake

Holding Brake Torque
6.5 Nm

Centering Diameter
130 mm

Housing
Standard

Motor Feedback
Digital servo feedback (DSF)

Continuous Torque at Standstill
10.4 Nm

Motor Length Code
C

Motor Size
090

Nominal Speed
3000 min⁻¹

Shaft Seal
With shaft seal

Shaft Type
keyway

Connection Direction
Left

Connection Type
Connector

Product Type
Motor for digital drive controllers

Shaft End
Standard (without side B shaft end)

Frequently Asked Questions

What does “MDD090C-N-030-N2L-130PL1 by Bosch Rexroth” tell us about its modular compatibility within the MDD series?

The “MDD090C” indicates the 90-frame class and C-length, while “N2L” designates the feedback/interface version; thus this variant can interchange with other MDD series motors (same frame/length) given matching drive interface. This modular naming aids in swapping motors in multi-axis systems while maintaining consistent controller compatibility.

How would a B2B systems integrator dimension the drive current in relation to this motor’s characteristics?

The integrator should size the inverter to deliver at least the peak current margin above the nominal current required for 10.4 Nm, factoring in safety and regenerative headroom. They also need to verify that the drive’s voltage and current capability allow full torque delivery across the intended speed range.

How does the centering diameter of 130 mm support precise alignment in machine-tool axes?

The centering diameter acts as a precision reference interface to the mounting flange, reducing misalignment-induced errors. It ensures repeatable positioning and minimizes bending or eccentric loads on bearings.

What happens electrically and thermally if the motor is driven beyond its continuous torque limit?

Exceeding the continuous torque causes excessive winding currents, which raise internal temperatures and degrade insulation over time. The motor's built-in temperature sensors may trigger a drive fault or derate to prevent damage.

How does the keyway shaft design affect coupling tolerances and torque transmission?

A keyway provides positive torque transfer with minimal backlash, but any misalignment or key clearance can create stress concentrations. Care must be taken in hub and key fit tolerances to avoid fatigue or fretting wear under cyclic loads.

Common Misspellings

Internal Product Review

The MDD090C-N-030-N2L-130PL1 motor by Bosch Rexroth delivers 10.4 Nm continuous torque and operates at a nominal speed of 3000 min⁻¹. It includes a 6.5 Nm blocking brake, digital servo feedback, and a keyway shaft with left-side connector. Commonly used in packaging, robotics, and machine tools, it supports precise motion control.