MDD093D-N-040-N2L-110PA1

MDD Synchronous Motors

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The MDD093D-N-040-N2L-110PA1 servo motor is built by Bosch Rexroth Indramat and belongs to the MDD Synchronous Motors series. Designed for integration with digital drive controllers, it converts electrical energy into precise rotary motion for positioning and velocity tasks in automated machinery. Its D-length frame increases the magnetic stack to raise torque capability, while the size-093 housing keeps the motor compatible with standard mounting layouts on packaging lines, pick-and-place gantries, and other assemblies that rely on rapid start-stop cycles.

At standstill the motor can deliver a continuous torque of 24.0 Nm, so closed-loop axes can maintain load without overheating. During motion, a nominal speed of 4000 min⁻¹ defines the synchronous operating point that matches high-frequency controller commands. For emergency holding or vertical loads, the integrated blocking brake supplies 11 Nm of static torque. Position information is returned through digital servo feedback, allowing high-resolution commutation and fault monitoring. A centering diameter of 110 mm aligns the flange precisely with gearboxes or direct-drive couplings. Standard housing construction dissipates heat through the ribbed surface, and balancing is standard to limit bearing stress at top speed.

All electrical and encoder leads exit on Side A, and the motor-side plug-in connector simplifies cable replacement during service. The keyed shaft follows DIN 6885 and is supplied as a keyway end without a secondary shaft on side B, while a built-in shaft seal guards the internal bearings from coolant spray. The standard housing profile supports direct flange mounting near gear reducers or belt pulleys where compact axial length is important.

Technical Specifications

Balancing
Standard

Centering Diameter
110 mm

Connection Direction
Side A

Connection Type
Connector

Continuous Torque at Standstill
24.0 Nm

Holding Brake
With blocking brake

Holding Brake Torque
11 Nm

Housing
Standard

Motor Feedback
Digital servo feedback (DSF)

Motor For Digital Drive Controllers
MDD

Motor Length Code
D

Motor Size
093

Nominal Speed
4000 min⁻¹

Product Type
Motor for digital drive controllers

Shaft End
Standard (without side B shaft end)

Shaft Seal
With shaft seal

Shaft Type
keyway

Frequently Asked Questions

What thermal limit should I respect when continuously applying 24 Nm at standstill?

The motor must not exceed its winding temperature limit (typically set via internal PTC sensor) — sustained standstill torque heats the windings and reduces safe duty time. Use the controller’s thermal monitoring or limit duty cycles to avoid thermal overload.

How should I size a coupling given the keyway shaft and centering diameter of 110 mm?

Use a coupling rated for the centering diameter plus dynamic torque—in practice select a high-stiffness coupling whose bore matches the keyway shaft, and account for torque peaks beyond 24 Nm. Also verify alignment tolerances to avoid radial or angular misalignment stress on bearings.

What impact does the side-A connector orientation have on cable routing and service?

Side-A connection fixes where power and feedback cables exit, so cable bends, strain relief, and shielding must be designed accordingly. Altering connector direction after delivery is not generally possible per the motor design.

Is balancing class important for high-speed or spindle-like applications?

Yes — MDD 093 motors are balanced to “reduced” class by default, suitable for moderate-speed applications; for very high dynamic or spindle use, confirm if a “reduced R” or custom balance option is needed.

What are typical B2B use cases that suit this motor’s characteristics?

It is ideal in packaging and printing lines for indexing rotary tables, in pick-and-place robots requiring high torque at low speeds, and in servo-driven conveyors needing precise start/stop control. Its high standstill torque and brake make it suitable where the load must hold position without drift.

Common Misspellings

Internal Product Review

The MDD093D-N-040-N2L-110PA1 motor from Bosch Rexroth features digital servo feedback, a 24.0 Nm standstill torque, and a nominal speed of 4000 min⁻¹. It includes an 11 Nm holding brake, shaft seal, and keyway shaft, making it reliable for precise motion control. Commonly used in packaging, robotics, and printing industries.