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R911272919 (MDD090A-N-020-N2L-130GA0)

MDD Synchronous Motors

Rated 4.3 stars (8 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 R911272919 (MDD090A-N-020-N2L-130GA0) is an AC servo motor from the MDD series, designed for digital drive controllers and engineered by Bosch Rexroth Indramat. It features a nominal speed of 2000 min⁻¹, a continuous torque at standstill of 3.7 Nm, and utilizes digital servo feedback for rotor position and speed control. The motor has a size 090, length code A frame, and is equipped with a plain shaft with a shaft seal, standard housing, and centering diameter of 130 mm. The unit adopts a connector on side A for electrical connections, has a standard flange with through holes for mounting, and does not include a blocking brake or a side B shaft end.

Technical Specifications

Type
Permanent-magnet

Nominal output speed
2000 rpm

Weight Class
Light

Shape
Small

Size
A

Torque
High

Shaft end
Plain side B standard

Encoder
Yes

Design Feature
Heat dissipation functionality

Length
Standard A

Centering Diameter
130 millimeters

Blocking Brake
None

Mounting
Easy

Flange Design
Through holes

Cooling
Surface cooling

Output shaft
With Keyways

Accessories
Cables in varying lengths

Motor feedback
Yes

How does the 19.0 Nm maximum torque impact system design requirements?

The 19.0 Nm maximum torque requires a robust power supply and thermal management system to avoid overheating, especially in high-load conditions where the motor operates close to its maximum torque.

What considerations should be made regarding the 4.0 (5.4) A continuous current in long-term usage?

The 4.0 (5.4) A continuous current rating ensures stable performance in long-term applications but may require additional cooling mechanisms to manage heat dissipation and maintain consistent efficiency.

How does the MDD090A-N-020-N2L-130GA0 motor’s moment of inertia (20×10⁻⁴ kg·m²) affect system response?

The moment of inertia affects the motor’s acceleration and deceleration rates. A higher inertia results in slower response times, which could limit performance in systems that require rapid speed adjustments.

Why is the thermal time constant of 45 minutes critical in high-demand cycles?

The thermal time constant of 45 minutes indicates how quickly the motor reaches thermal equilibrium. For high-demand cycles, this ensures the motor can handle prolonged use without excessive heat buildup or performance degradation.

What are the effects of the windings resistance of 6.84 Ohms on energy efficiency?

The 6.84 Ohm windings resistance leads to energy losses in the form of heat. This resistance increases as current increases, lowering the overall motor efficiency, particularly in high-power or continuous-use applications.

MDD-090A-N-020-N2L-130GA0

MDD090A N 020 N2L 130GA0

MDD090A-N-020-N2L-130-GA0

MDD090A-N-020-N2L-130-GAO

MDD090A-N-020-N2L-130GAO

MDD090AN020N2L130GA0

MDD90A-N-020-N2L-130GA0

MDDO90A-N-020-N2L-130GA0

MDDO9OA-N-O2O-N2L-13OGAO

mdd090a-n-020-n2l-130ga0

MDD090AN020N2L130GA0

MDD090A N 020 N2L 130GA0

Internal Product Review

The MDD090A-N-020-N2L-130GA0 motor by Bosch Rexroth operates with a continuous torque of 3.7 (5.0) Nm at standstill and a theoretical maximum torque of 19.0 Nm. It is ideal for applications requiring high reliability and torque efficiency in a compact design.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MDD090A-N-020-N2L-130GA0.
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