MDD090C-N-030-N2L-130PA1

MDD Synchronous Motors

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The MDD090C-N-030-N2L-130PA1 synchronous motor by Bosch Rexroth Indramat is part of the MDD Synchronous Motors series. This motor features a size 090 frame with a length code C, a 130 mm centering diameter, and operates at a nominal speed of 3000 min^-1. It delivers a continuous torque at standstill of 10.4 Nm and includes a blocking brake providing 6.5 Nm of holding torque. The motor uses digital servo feedback and offers a side A connector interface.

Technical Specifications

Balancing
Standard

Holding Brake
With blocking brake

Holding Brake Torque
6.5 Nm

Centering Diameter
130 mm

Housing
Standard

Motor Feedback
Digital servo feedback (DSF)

Continuous Torque at Standstill
10.4 Nm

Motor Length Code
C

Motor Size
090

Nominal Speed
3000 min⁻¹

Shaft Seal
With shaft seal

Shaft Type
keyway

Connection Direction
Side A

Connection Type
Connector

Product Type
Motor for digital drive controllers

Shaft End
Standard (without side B shaft end)

Frequently Asked Questions

How do I integrate the Bosch Rexroth Indramat MDD090C-N-030-N2L-130PA1 with a drive—does its DSF encoder need anything special?

Use a drive that supports Rexroth’s Digital Servo Feedback (DSF); MDD motors ship with DSF or DSF with an integrated multiturn absolute encoder, both using identical mechanical dimensions. If you have the DSF-only variant, plan a homing move at power-up; multiturn absolute avoids that.

How should I wire and control the holding brake on this family?

MDD090C brakes are 24 V DC and draw ~0.5 A; expect ~60 ms to release and ~20 ms to clamp, so sequence brake I/O before/after torque enabling. Place a flyback diode at the brake coil and verify the drive’s brake relay can switch the current.

Any shaft/keyway considerations for torque transmission and compliance?

The keyed shaft follows DIN 6885, so select hubs cut to that standard to prevent fretting and backlash under reversing loads. Keep overhung load within coupling limits and re-check balance after adding keys/hubs to preserve smooth operation.

If I need a drop-in spare, which options are interchangeable across MDD090C variants?

You can swap within the MDD090C family by matching frame/length, winding (e.g., “030”), feedback type, centering diameter (110 mm vs 130 mm), brake option, and connector side. Vendor listings document common 090C variants with/without brake, different pilots, and side-A/B connectors for mechanical/electrical compatibility checks.

How should I handle connector orientation and cable routing on “Side A” versions?

Plan cable bends and strain relief so encoder/power leads clear the load side; Side A connectors can simplify routing on right-hand drive cabinets. Confirm mating cable kits and pinouts for DSF feedback to avoid encoder-power cross-talk and ensure proper shielding to the drive.

Common Misspellings

Internal Product Review

The MDD090C-N-030-N2L-130PA1 motor by Bosch Rexroth offers 10.4 Nm continuous torque at standstill and operates at a nominal speed of 3000 RPM. It features digital servo feedback, a 130 mm centering diameter, and includes a 6.5 Nm holding brake with a keyway shaft. This motor suits applications in robotics, packaging machinery, and CNC automation.