R911278909 (MDD115D-N-020-N2M-130GB2)

Name: R911278909 (MDD115D-N-020-N2M-130GB2)
Brand: Indramat Motors
SKU: MDD115D-N-020-N2M-130GB2
Price: 821.00 USD
Availability: InStock

MDD Synchronous Motors

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The R911278909 (MDD115D-N-020-N2M-130GB2) is an industrial synchronous motor engineered for use in production and processing machinery. This motor features an IP65-rated housing with a black coating for corrosion protection, grease-lubricated ball bearings, and a centering diameter of 130 mm. It offers a continuous torque of 57.0 Nm at standstill, a nominal speed of 2000 min⁻¹, and operates with a nominal current of 77 A and a maximum current of 177 A. The motor provides a torque constant of 0.74 Nm/A, winding resistance of 0.06 Ω at 20°C, and functions efficiently within an ambient temperature of 0–40°C. Additional features include an integrated multiturn absolute encoder for digital servo feedback, a blocking holding brake rated at 60.0 Nm, a standard plain shaft with shaft seal, and side B connector orientation.

Technical Specifications

Rexroth Indramat Industrial Motor
Yes

IP65 Protection Class
Yes

Black Protective Coating
Yes

Grease-Lubricated Ball Bearings
Yes

Rated Current
77 Amperes

Output Torque
57 Newton Meters

Broad Speed Range Compatibility
Yes

Torque Constant at 20 Degrees Celsius
0.74 Newton Meters per Ampere

Winding Resistance
0.06 Ohms

Maximum Input Current
177 Amperes

Ambient Temperature Range
0 to 40 Degrees Celsius

Frequently Asked Questions

How does MDD115D-N-020-N2M-130GB2 achieve smoother torque transitions during acceleration?

The motor maintains uniform electromagnetic force throughout motion transitions. This provides consistent torque delivery without unwanted fluctuations in drive output.

How does MDD115D-N-020-N2M-130GB2 benefit from its Motor Length Code D?

It provides optimal winding configuration within a compact geometry. This achieves efficient torque density and stable thermal performance.

Why is the plain shaft design used in modern servo motors?

The motor allows direct coupling with precision components. This reduces misalignment risk and enhances torque transmission efficiency.

How does the standard housing construction improve overall durability?

The motor provides rigid structural support during continuous cycles. This prevents mechanical distortion under thermal or load stress.

How does MDD115D-N-020-N2M-130GB2 minimize vibration during extended operation?

The motor uses standard dynamic balancing to ensure smooth rotation and reduce mechanical oscillation during long-term operation.

Common Misspellings

MDD115DN020N2M130GB2

MDD115D N 020 N2M 130GB2

mdd115d-n-020-n2m-130gb2

Internal Product Review

The Bosch Rexroth’s MDD115D-N-020-N2M-130GB2 synchronous motor includes an integrated multiturn encoder and sealed plain shaft. It operates at 2000 min⁻¹ and connects from side B. The unit is widely used in industrial robots, conveyors, and automatic assembly lines needing smooth and accurate control.