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R911270890 (MDD090A-N-020-N2L-110GA1)

MDD Synchronous Motors

Rated 4.6 stars (13 total reviews)
  In-Stock, Ships 3-5 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The R911270890 (MDD090A-N-020-N2L-110GA1) is a Rexroth Indramat servo motor designed for industrial automation. It features a compact IP65-class housing for protection against dust and water ingress. The motor provides a continuous standstill torque of 3.7 Nm and operates at a nominal speed of 2000 min⁻¹. It includes a digital servo feedback encoder for precise closed-loop control, with feedback communicated via a dedicated cable. The integrated electronically releasing holding brake delivers a torque of 6.5 Nm, enabling secure load retention when the motor is inactive. This model incorporates a shaft seal, plain shaft design, standard housing, and 110 mm centering diameter. The motor is intended for use with digital drive controllers and permits installation at up to 1000 meters above sea level.

Technical Specifications

Product Type
Industrial Motor

Installation Height
Up to 1000 meters above sea level

Usage
Converting electrical energy into kinetic energy

Protection Class
IP65

Noise Pressure Level
Not exceeding 75 decibels

Special Feature
Electrically releasing holding brake

Encoder Feedback
Digital Servo

How does the 0.93 Nm/A torque constant affect load handling?

The torque constant of 0.93 Nm/A means that for every ampere of current, the motor generates 0.93 Nm of torque, providing a reliable power output for load handling applications.

Why is the windings resistance of 6.84 Ohms important for energy efficiency?

The 6.84 Ohm resistance in the windings contributes to resistive losses, which affect energy efficiency. Lower resistance would reduce energy loss and improve overall efficiency, especially at higher currents.

How does the thermal time constant of 45 minutes impact heat dissipation?

The thermal time constant indicates how quickly the motor heats up. A 45-minute constant suggests that the motor requires adequate time for heat dissipation during operation, crucial for sustained high-performance tasks.

What effect does the housing coat (RAL 9005) have on environmental durability?

The black prime coat (RAL 9005) enhances the motor’s resistance to environmental factors like corrosion and wear. It also improves heat absorption in systems requiring high thermal dissipation.

How would the maximum current rating of 21.9 A affect thermal management of MDD090A-N-020-N2L-110GA1 motor?

A maximum current of 21.9 A requires efficient thermal management strategies, as extended operation at this level could result in excessive heating, necessitating heat sinks, ventilation, or active cooling.

MDD-090A-N-020-N2L-110GA1

MDD090A N 020 N2L 110GA1

MDD090A-N-020-N2L-110-GA1

MDD090AN020N2L110GA1

MDD90A-N-020-N2L-110GA1

MDDO90A-N-020-N2L-110GA1

MDDO9OA-N-O2O-N2L-11OGA1

mdd090a-n-020-n2l-110ga1

Internal Product Review

The Bosch MDD090A-N-020-N2L-110GA1 motor features a torque constant of 0.93 Nm/A and a windings resistance of 6.84 Ohm at 20°C. It has a thermal time constant of 45 minutes and a mass of 12.5 kg. This motor provides reliable performance in precision applications.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MDD090A-N-020-N2L-110GA1.
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