R911253305 (MDD115D-F-020-N2L-180PA2)
MDD Synchronous Motors
Technical Specifications
Balance Class
N
Output Shaft
With keyways and sealing ring
Lubrication Protection
Top
Transport Temperature Range
-20 to +80 degrees Celsius
Storage Temperature Range
-20 to +80 degrees Celsius
Operating Conditions
Weatherproof and 0 to +45 degrees Celsius
Positioning
Up to 1000 meters above sea level
Motor protection standard
IP65
Weight
Low
Required Accessory
Driving controller
Power connection
A-side
Holding brake
3.5 kilograms
Clamping delay
30 milliseconds
Release delay
150 milliseconds
Continuous torque
57 Nm
Standstill current
Modest
Maximum torque
177.2 Nm
Maximum speed
2000 RPM
Bearing
Lubricated
Feedback mechanism
Digital servo feedback
Cooling
Liquid-cooled housing.
Frequently Asked Questions
How does a sealed keyway shaft help reliability on MDD115D-F-020-N2L-180PA2 in particulate-rich environments?
The seal limits ingress along the shaft for protecting front bearings and encoder air-gap from dust and coolant mist. Its keyed interface ensures backlash-free torque transmission with standard pulleys/couplings for simplifying field replacement.
What does the “D” length code imply for thermal behavior and continuous torque on MDD115D-F-020-N2L-180PA2?
It indicates a longer active stack within size 115 for providing surface area and thermal mass to sustain the specified 57 Nm at standstill. Its geometry supports both natural and surface-cooled duty configurations in the MDD family.
How does the 2000 min⁻¹ nominal speed of MDD115D-F-020-N2L-180PA2 map to gearbox selection and servo bandwidth?
It simplifies ratio choices for feed axes that balances motor inertia and reflected load. It allows adequate electrical bandwidth while avoiding excessive gear heating at common reduction ratios.
In mixed fleets, how does MDD115D-F-020-N2L-180PA2 integrate with Rexroth digital drive controllers?
The MDD motors are expressly designed as “motors for digital drive controllers” for enabling parameter templates, standardized commutation and diagnostics across DDC/DDS ecosystems. It shortens commissioning and supports predictive maintenance via consistent feedback data.
What duty profiles best exploit the 57 Nm continuous torque of MDD115D-F-020-N2L-180PA2 without thermal derating?
The interpolated moves with moderate dwell, tension-controlled webs and pick-and-place cycles with balanced accel/decel leverage its continuous torque and thermal time constant. For aggressive cycles, consider additional surface cooling per MDD planning guidance.
Common Misspellings
MDD115DF020N2L180PA2
MDD115D F 020 N2L 180PA2
mdd115d-f-020-n2l-180pa2
Internal Product Review
Bosch Rexroth designs the motor MDD115D-F-020-N2L-180PA2 that combines a 180 mm centering fit, keyed shaft with seal and DSF encoder. It delivers 57 Nm torque at standstill and operates at an angular speed of 2000 min⁻¹. This motor includes a 60 Nm blocking brake for safe operations that makes it ideal for packaging, printing, machine-tool axes, robotics and handling lines.
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Repair
We offer a repair service for the MDD115D-F-020-N2L-180PA2.
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