MDD090C-N-030-N2M-110GB2

MDD Synchronous Motors

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The Bosch Rexroth Indramat MDD090C-N-030-N2M-110GB2 is a high-precision motor for digital drive controllers in the MDD Synchronous Motors series. It delivers 10.4 Nm continuous torque at standstill and 11.0 Nm holding brake torque, features an integrated multiturn absolute encoder with digital servo feedback (DSF), a 110 mm centering diameter, and includes a shaft seal on a plain shaft with side B connector.

Technical Specifications

Balancing
Standard

Holding Brake
With blocking brake

Holding Brake Torque
11.0 Nm

Centering Diameter
110 mm

Housing
Standard

Encoder
Integrated multiturn absolute encoder

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
Plain shaft

Connection Direction
Side B

Connection Type
Connector

Product Type
Motor for digital drive controllers

Shaft End
Standard (without side B shaft end)

Frequently Asked Questions

What is the real-world effect of having a plain shaft with a shaft seal in industrial environments?

The plain shaft with seal helps protect internal bearings and windings from dust or contaminants (especially in packaging or forming machines). Still, one should inspect the seal periodically and avoid side-loads that might degrade the seal or shaft surface over time.

How does nominal speed (e.g. 3000 rpm) limit dynamic acceleration or peak torque delivery?

Above the nominal speed, available torque begins to drop due to back-EMF and current limits in the amplifier. So for rapid motion profiles, the controller must be tuned to account for torque roll-off at high RPM.

In what B2B applications would this motor’s digital servo feedback (DSF) offer a clear advantage?

In systems requiring high-precision contouring—like machine tools, robotic axes, or packaging gantries—the integrated DSF enables low-latency commutation and direct encoder feedback, reducing servo lag and improving path fidelity. This reduces the need for external encoders or wiring, simplifying system architecture.

What precautions apply when specifying or ordering “Bosch Rexroth Indramat MDD090C-N-030-N2M-110GB2”?

Ensure the variant (e.g. “GB2”) matches the encoder, braking, and cooling options required, since minor suffix changes can imply different encoder protocols or finishes. Also verify the thermal class and insulation rating to match your ambient and duty-cycle constraints.

How does the integrated multiturn absolute encoder affect system initialization and homing?

Because the encoder retains absolute position over power cycles, the drive can immediately resume closed-loop control without a reference move. This reduces downtime in B2B systems that require fast restart cycles.

Common Misspellings

Internal Product Review

The MDD090C-N-030-N2M-110GB2 motor from Bosch Rexroth delivers 10.4 Nm continuous torque and includes an 11.0 Nm holding brake with digital servo feedback. Its 3000 rpm nominal speed, integrated multiturn absolute encoder, and shaft sealing make it suitable for precise control applications. Commonly used in packaging machines, robotics, and metal forming systems.