R911255851 (MDD090C-N-020-N2M-130PB1)

Name: R911255851 (MDD090C-N-020-N2M-130PB1)
Brand: Indramat Motors
SKU: MDD090C-N-020-N2M-130PB1
Price: 166.00 USD
Availability: InStock
Rating: 4.6 (4 reviews)

MDD Synchronous Motors

Rated 4.6 stars (4 total reviews)

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The Bosch Rexroth R911255851 (MDD090C-N-020-N2M-130PB1) is an MDD series synchronous servo motor engineered for demanding drive and motion control applications. The motor complies with IP65 protection according to DIN 40050, featuring a dustproof and water jet-impervious housing with a black, weather-resistant coating. It operates at a nominal speed of 2000 min⁻¹ and achieves a maximum torque of 58.6 Nm, with continuous standstill torque rated at 10.4 Nm. The device includes a keyway output shaft per DIN 6885-1, a 130 mm centering diameter, integrated multiturn absolute encoder, and digital servo feedback. It is built with an integrated thermal sensor in the stator for overload protection, features Balance Class R per DIN VDE 0530, and utilizes permanent magnets in the rotor for high dynamic performance. The motor uses a mechanical blocking brake with 6.5 Nm holding torque and is designed for installation in any position.

Technical Specifications

Product Type
Servo Motor

Nominal Speed
2000 revolutions per minute

Maximum Torque
58.6Nm

Balance Class
R per DIN VDE 0530

Cooling Method
Natural convection and surface cooling

Centering Diameter
130mm

Installation
Multi-position installation

Frequently Asked Questions

How does the keyed shaft contribute to mechanical stability in high-torque gear-driven applications?

The keyed shaft design prevents slippage under dynamic torque loads. It enables secure coupling to gearboxes or pulleys without requiring complex anti-rotation mechanisms.

How does the MDD090C-N-020-N2M-130PB1 handle load retention in vertical or high-inertia axis systems?

It includes a holding brake delivering 6.5 Nm torque. This mechanism ensures reliable shaft locking during power-down and stabilizes movement under gravity or backlash-sensitive loads.

Can the MDD090C-N-020-N2M-130PB1 maintain torque reliability during non-rotational load-holding scenarios?

It delivers 10.4 Nm continuous torque at standstill. This supports static load applications such as clamping or tensioning without triggering thermal limits.

How does this motor support position control in automation tasks requiring continuous multi-axis coordination?

An integrated multiturn absolute encoder provides persistent position feedback. This removes the need for re-homing and ensures tight control in dynamic servo loops.

What cabling flexibility does the connector position offer during cabinet wiring in dense layouts?

It uses a side B connector orientation for rear-facing cable exits. This simplifies routing in mirrored panels or bottom-entry configurations, improving install efficiency.

Common Misspellings

MDD-090C-N-020-N2M-130PB1

MDD090C N 020 N2M 130PB1

MDD090C-N-020-N2M-130-PB1

MDD090CN020N2M130PB1

MDD90C-N-020-N2M-130PB1

MDDO90C-N-020-N2M-130PB1

MDDO9OC-N-O2O-N2M-13OPB1

mdd090c-n-020-n2m-130pb1

Internal Product Review

The Bosch Rexroth Indramat MDD090C-N-020-N2M-130PB1 motor runs at a nominal speed of 2000 min⁻¹ to deliver smooth, controlled performance. It provides 6.5 Nm holding brake torque, integrates a multiturn absolute encoder, and employs digital servo feedback. It is used extensively in robotics and advanced manufacturing.