MDD090A-N-030-N2L-110GB2
MDD Synchronous Motors
The Bosch Rexroth Indramat MDD090A-N-030-N2L-110GB2 is a robust motor for digital drive controllers in the MDD Synchronous Motors series, offering continuous torque at standstill of 3.7 Nm and a holding brake torque of 11.0 Nm. It features digital servo feedback (DSF), a 110 mm centering diameter, a plain shaft with seal, and a side B connector connection. Housed in a standard casing and balanced by default, it reliably operates at nominal speed of 3000 min-1.
Technical Specifications
Balancing
Standard
Holding Brake
With blocking brake
Holding Brake Torque
11.0 Nm
Centering Diameter
110 mm
Housing
Standard
Motor Feedback
Digital servo feedback (DSF)
Continuous Torque at Standstill
3.7 Nm
Motor Length Code
A
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 does “Digital Servo Feedback (DSF)” mean in practice for using this motor?
DSF provides high‐resolution feedback (position, velocity) digitally to the drive controller, enabling tighter control loops, lower phase lag, and better repeatability than analog encoders. It also means you’ll need a compatible controller interface that supports that DSF protocol.
The nominal speed is 3000 min⁻¹; what does that imply for high‐speed applications or torque reduction at speed?
At 3000 rpm, the motor is optimized for mid‐to‐high speed, but its available torque drops with increasing speed (following the motor’s torque‐speed curve); continuous torque will be less than standstill torque. Thermal management (cooling, ambient temperature) becomes more critical at sustained high RPMs.
What are the environmental or installation constraints related to balancing “standard” in this motor?
“Standard” balancing implies it is balanced for the rated speed to avoid excessive vibration, but may not be suitable for very high speed or extremely low vibration applications (e.g. spindle‐grade), where “special balancing” is required. Mounting stiffness, alignment, and rotor load conditions also affect whether the standard balance is sufficient.
How does the connection via “Side B connector” impact cabling and maintenance in practical deployments?
A Side B connector means power/feedback connectors are located on the motor’s side B, which influences cable routing, clearance, and possibly ease of access for servicing; ensure adequate space and strain relief. Also, proper sealing at the connector is critical to retain IP/NEMA protection and avoid ingress of contaminants.
What are typical B2B / industrial applications where this motor model delivers advantages, and what should engineers watch out for?
It’s well suited for packaging machines, CNC axes, printing lines where precision, holding torque, and dynamic responsiveness matter, especially in stop/start or positioning tasks. Engineers must size safety margins for torque (including friction, inertia, brake release), ensure proper drive compatibility (feedback, connector), and provide adequate cooling especially if used near maximum speed or under heavy load.
Common Misspellings
MDD-090A-N-030-N2L-110GB2
MDD090A N 030 N2L 110GB2
MDD090A-N-030-N2L-110-GB2
MDD090AN030N2L110GB2
MDD90A-N-030-N2L-110GB2
MDDO90A-N-030-N2L-110GB2
MDDO9OA-N-O3O-N2L-11OGB2
Internal Product Review
The MDD090A-N-030-N2L-110GB2 motor from Bosch Rexroth delivers 3.7 Nm continuous torque at standstill and includes an 11.0 Nm holding brake. It features digital servo feedback, a plain shaft with a shaft seal, and a nominal speed of 3000 min⁻¹. This motor is used in packaging machinery, CNC systems, and printing automation.
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