MDD115D-F-020-N2L-130GA1

MDD Synchronous Motors

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The MDD115D-F-020-N2L-130GA1 is a motor manufactured by Bosch Rexroth Indramat. Part of the MDD Synchronous Motors series, it features digital servo feedback. The motor delivers 57.0 Nm continuous torque and has a 45.0 Nm holding brake torque. It has a 130 mm centering diameter, plain shaft with seal and side A connector.

Technical Specifications

Balancing
Standard

Holding Brake
With blocking brake

Holding Brake Torque
45.0 Nm

Centering Diameter
130 mm

Motor Feedback
Digital servo feedback (DSF)

Continuous Torque at Standstill
57.0 Nm

Motor Length Code
D

Motor Size
115

Nominal Speed
2000 min⁻¹

Shaft Seal
With shaft seal

Shaft Type
Plain shaft

Connection Direction
Side A

Connection Type
Connector

Product Type
Motor for digital drive controllers

Shaft End
Standard (without side B shaft end)

Housing Design
Standard

Frequently Asked Questions

What’s the mechanical role of the 130 mm centering diameter and sealed plain shaft on MDD115D-F-020-N2L-130GA1?

The centering pilot ensures precise concentric mounting to gearboxes or adapter plates, minimizing runout. Its plain shaft with shaft-seal limits ingress and supports coupling/bell housing interfaces without keyways when backlash-free clamping hubs are preferred.

How does the 45 Nm blocking brake on MDD115D-F-020-N2L-130GA1 help vertical axes or E-stop conditions?

The brake applies holding torque when power is removed for preventing back-driving or drift on Z-axes and load-holding stations. It enables controlled stopping and secure load retention during servo disable or emergency halts.

What does the digital servo feedback in the MDD115D-F-020-N2L-130GA1 accomplish, and how does it influence precision?

It provides closed-loop position/speed feedback to the Rexroth digital drive for enabling tight commutation and repeatable positioning over the motor’s working range. Within the MDD series, DSF is the standard feedback option and integrates with Rexroth DDS/DKS controllers.

How does the Side-A connector orientation on MDD115D-F-020-N2L-130GA1 affect cable routing and service?

It fixes the connector exit relative to the flange for easing repeatable harness layouts in tight machine bays. It also improves strain-relief planning and separates power/feedback dress to meet EMC and serviceability constraints.

What ingress protection and insulation class are typical for MDD115D units, and why does it matter for MDD115D-F-020-N2L-130GA1?

Its IP65 and insulation class F supports installation in dusty or splash-exposed zones and are suitable for thermal endurance. Its profile helps maintain winding life and bearing protection during industrial duty cycles.

Common Misspellings

Internal Product Review

The Indramat's MDD115D-F-020-N2L-130GA1 is a digital-servo-feedback synchronous motor that delivers 57.0 Nm torque at standstill with a 45 Nm blocking brake. It possesses a sealed plain shaft and side-A connector for easy connectivity. This unit comes in standard housing that is IP65 protected to serve in applicable like packaging, printing, robotics and machine-tool axes at its 2000 RPM of rated speed.