R911256171 (MDD090C-N-020-N2L-110PB2)

Name: R911256171 (MDD090C-N-020-N2L-110PB2)
Brand: Indramat Motors
SKU: MDD090C-N-020-N2L-110PB2
Price: 972.00 USD
Availability: InStock
Rating: 4.7 (4 reviews)

MDD Synchronous Motors

Rated 4.7 stars (4 total reviews)

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The Bosch Rexroth MPN R911256171 (MDD090C-N-020-N2L-110PB2) is an MDD series servo motor engineered for high-precision and synchronous operation, suitable for applications such as grinding machinery. Designed with a nominal speed of 2000 min⁻¹ and a maximum current of 72.9A, it features a permanent magnet rotor for dynamic performance and an optimal torque-inertia ratio. The unit includes digital servo feedback (DSF) with system accuracy of ±0.5 angular minutes, a built-in data memory, and a blocking brake rated at 11.0 Nm. The motor housing is weather-resistant with black prime varnish, provides IP65 protection, incorporates a shaft with keyway and sealing ring, and has a centering diameter of 110 mm. Connection is made via connector on Side B.

Technical Specifications

Max Current
72.9A

Servo Feedback
Digital servo feedback

System Accuracy
±0.5 angular minutes

Rotor Material
Permanent magnet materials

Blocking Brake Torque
11.0Nm

Nominal Speed
2,000 revolutions per minute.

Frequently Asked Questions

How does the use of connectors in the MDD090C-N-020-N2L-110PB2 Synchronous Motor influence installation?

The connectors allow quick and secure electrical connections, reducing installation time and minimizing wiring errors. This enhances reliability and simplifies maintenance in complex control systems.

What is the importance of the motor length code ‘C’ in terms of motor performance?

The motor length code C indicates a specific axial size, balancing torque output and compactness. This coding helps engineers select the correct motor dimension for their application requirements.

How does the inclusion of a blocking brake in the MDD090C-N-020-N2L-110PB2 motor affect operational safety?

The blocking brake provides additional fail-safe holding during power loss, preventing unintended movement. This is crucial for protecting both machinery and personnel in critical processes.

Why is the side B connection direction chosen for this motor model?

The side B connection optimizes cable routing and accessibility in specific machine configurations, improving maintenance ease. This orientation can reduce cable stress in compact assemblies.

How does the keyway shaft design affect the motor’s mechanical coupling?

A keyway shaft ensures secure mechanical connection to driven components, reducing slippage and improving torque transmission. This design supports reliable performance in demanding industrial setups.

Common Misspellings

MDD-090C-N-020-N2L-110PB2

MDD090C N 020 N2L 110PB2

MDD090C-N-020-N2L-110-PB2

MDD090CN020N2L110PB2

MDD90C-N-020-N2L-110PB2

MDDO90C-N-020-N2L-110PB2

MDDO9OC-N-O2O-N2L-11OPB2

mdd090c-n-020-n2l-110pb2

Internal Product Review

The MDD090C-N-020-N2L-110PB2 synchronous motor delivers a robust holding brake torque of 11.0 Nm for secure load holding in precision applications. Its digital servo feedback enhances control accuracy, while the built-in shaft seal improves durability against contaminants. This motor’s compact 110 mm centering diameter supports efficient integration in tight spaces