R911275483 (MDD115D-N-020-N2L-130GA1)

Name: R911275483 (MDD115D-N-020-N2L-130GA1)
Brand: Indramat Motors
SKU: MDD115D-N-020-N2L-130GA1
Price: 826.00 USD
Availability: InStock

MDD Synchronous Motors

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The MPN R911275483 (MDD115D-N-020-N2L-130GA1) is an AC servo motor from the Bosch Rexroth MDD series, designed for use in manufacturing automation. It operates at a nominal speed of 2000 min⁻¹ with a maximum torque output of 177.2 Nm and nominal torque at standstill of 57 Nm, drawing 77 A at standstill and up to 346.5 A at maximum load. The motor offers a torque constant of 0.74 Nm/A, winding resistance of 0.06 Ohm, and winding inductance of 1 mH. The rotor moment of inertia is 271 × 10⁻⁴ kg·m². It features digital servo feedback, a blocking brake with 45 Nm holding torque, standard housing and balancing, shaft seal, plain shaft, centering diameter of 130 mm, and side A connector. The unit is rated for ambient temperatures from 0 to +40 °C, altitudes up to 1000 m, and less than 90% humidity. It weighs 60 kg and has a thermal time constant of 90 minutes.

Technical Specifications

Product Type
AC Servo Motor

Nominal Speed
2000 RPM

Maximum Torque
177.2 Nm

Input Current at Max Speed
346.5 A

Moment of Inertia
271 x 10-4 kgm2

Torque Generation
0.74 Nm/A at 20°C

Winding Resistance
0.06 Ohm at 20°C

Product Mass
60 kg

Thermal Time Constant
90 minutes

Winding Inductance
1 mH

Continuous Torque at Standstill
57 Nm

Maximum Current at Standstill
77A

Maximum Installation Altitude
1000 MSL

Suitable Moisture Content
Below 90%

Installation Temperature
0 to +40 degree Celsius

Frequently Asked Questions

Why include a 45 Nm blocking brake on the MDD115D-N-020-N2L-130GA1 for vertical axes?

The holding brake secures the load during power loss or e-stop and prevents drift on Z-axes or indexers. It’s for static holding, it is recommended to use the drive for dynamic deceleration and controlled stops.

What are the motion-profile implications of the 2000 min⁻¹ nominal speed on this motor?

The nominal speed sets the continuous operating region; torque drops as speed increases per the drive’s voltage limits. It is important to select gearing so commanded velocities stay in the efficient torque and speed envelope for MDD115D-N-020-N2L-130GA1.

How does the shaft seal and sealed housing help in food, printing, or textile environments?

The sealing strategy limits ingress of dust, fibers and washdown spray for preserving bearing life and feedback integrity. It is known for sealed, maintenance-free construction suitable for harsh plant conditions.

hich digital drive controllers typically pair with the MDD115D-N-020-N2L-130GA1?

The MDD synchronous motors are designed for Rexroth digital drives (e.g., DDC/DDS/HDS families) that support DSF. Its pairing simplifies commutation setup, diagnostics and parameterization within the Rexroth ecosystem.

Can the MDD115D-N-020-N2L-130GA1 be specified with a multiturn absolute option without changing mechanics?

The DSF and DSF-with-multiturn absolute share identical external dimensions for preserving mounting and coupling hardware. It enables upgrades to absolute referencing with minimal mechanical redesign.

Common Misspellings

MDD115DN020N2L130GA1

MDD115D N 020 N2L 130GA1

mdd115d-n-020-n2l-130ga1

Internal Product Review

The Indramat’s MDD115D-N-020-N2L-130GA1 synchronous servo motor pairs digital servo feedback with a plain shaft and 130 mm centering pilot. It functions at a 2000 min⁻¹ nominal speed and integrates a 45 Nm blocking brake. This motor has standard balance category and possess side-A connector. Its shaft seal makes it applicable in packaging, machine-tool exchanges, textiles, robotics, printing and material handling systems.