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R911254932 (MDD115A-N-030-N2L-180GB1)

MDD Synchronous Motors

Rated 5.0 stars (13 total reviews)
  In-Stock, Ships 3-5 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The R911254932 (MDD115A-N-030-N2L-180GB1) is a Bosch Rexroth MDD series digital AC servo motor designed for high-dynamic industrial applications. It features a nominal speed of 3000 rpm and a continuous standstill torque of 28.0 Nm. The unit has a 180 mm centering diameter, plain shaft with shaft seal, and utilizes digital servo feedback for precise position measurement. Integrated thermal sensors in the windings provide overload protection. The motor employs natural convection cooling and is housed within a sealed casing compliant with DIN 40050. Standard balancing and a blocking brake (45.0 Nm holding torque) are included.

Technical Specifications

Magnetic Material
Rare earth or iron oxide

Inertia
Low

Installation Position
Any

Servo Feedback
Digital

Blocking Brake Torque
60Nm

Nominal Speed
3,000 rpm

Pilot Diameter
180mm

Temperature Sensor
Built-in

Cooling Method
Natural Convection

Housing
Standard, DIN 40050, Completely Sealed

Operational Ambient Temperature
0°C - 40°C

Max Relative Humidity
95%

Max Installation Height
1000m above sea level.

Why is continuous torque at standstill relevant for industrial machinery?

It allows the motor to hold or apply force without rotation during processes like pressing, clamping, or machining. This prevents loss of accuracy in load-sensitive operations.

What role does standard balancing play in long-term operation?

It minimizes vibration during rotation, extending bearing life and reducing mechanical wear. Balanced operation also improves stability at higher speeds.

Can the MDD115A-N-030-N2L-180GB1 be used in packaging equipment?

Yes, its torque and feedback capabilities support fast indexing and synchronized movement. These are key in high-speed packaging and conveyor systems.

How does a shaft seal improve reliability in harsh environments?

It prevents dust, oil, and moisture from entering the housing. This protection reduces downtime by limiting contamination-related failures.

Why is a blocking brake essential in vertical-axis robotics?

It prevents uncontrolled descent of arms or tools when power is cut. This ensures operator safety and protects equipment from damage.

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Internal Product Review

The MDD115A-N-030-N2L-180GB1 synchronous motor is the design of Bosch Rexroth Indramat. It features a 180 mm centering diameter, and digital servo feedback via a plain shaft. It suits applications in machine tools, textile, robotics and packaging sectors, offering precise motion control with blocking brake support.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MDD115A-N-030-N2L-180GB1.
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