R911254407 (MDD115D-F-020-N2L-130GA0)

MDD Synchronous Motors

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The R911254407 (MDD115D-F-020-N2L-130GA0) is a Bosch Rexroth digital AC servomotor intended for direct integration with a compatible drive controller in high-power-density applications. This model is supplied without a blocking brake and features IM B14 threaded flange mounts, a plain shaft, and side A connectors for both power and digital servo feedback. The motor includes a shaft sealing ring, fixed and floating bearing arrangement, and a standard housing design with a centering diameter of 130 mm. It supports continuous standstill torque of 57.0 Nm, operates at a nominal speed of 2000 min⁻¹, and maintains an IP65 protection rating. The device accommodates power and feedback cable lengths up to 75 meters and can be installed with the shaft oriented upward or downward. The permissible ambient temperature extends to 55°C, and the system exhibits an oscillation frequency range from 2 Hz to 9 Hz. Mechanical handling should ensure bearings are not subjected to impact forces via the shaft.

Technical Specifications

Product Type
Digital AC Servomotor

Use
Industrial, particularly textile industry

Brake Type
None

Mounting Type
IM B14 with threads in flange

Shaft Type
Plain for form-fitting shaft hub connections

Maximum Operating Temperature
55C

Protection Rating
IP 65

Frequency Range
2Hz to 9Hz

Installation
Upright with shaft facing upward or downward

Additional Features
Shaft sealing ring, fixed and floating bearings

Transportation
Using chain shackles

Hardware
Two M8 tapped holes on housing

Information Display
Motor type plate

Cable Length
Max 75m for feedback and power cables

Connector Type
Circular power connectors

Packaging
Custom military-grade packaging

Frequently Asked Questions

Why is the nominal speed of 2000 min⁻¹ practical in multi-axis packaging and printing lines?

It provides a balanced envelope for torque reserve and velocity loop bandwidth for aiding register control and cut-to-length tasks. Its coordinated drive achieve smooth cam profiles without saturating current limits during frequent speed inversions.

What mounting and alignment considerations arise from the 130 mm centering diameter on MDD115D-F-020-N2L-130GA0?

The standardized pilot ensures coaxial alignment with gearheads or belt pulleys for improving vibration behavior. It also eases field replacement across MDD115D variants where concentricity and repeatable fit are critical to encoder accuracy.

How does the plain shaft with shaft seal improve life in particulate environments? (MDD115D-F-020-N2L-130GA0)

The sealing lip mitigates ingress toward the front bearing under washdown spray or dust. It preserves bearing preload characteristics and maintains consistent radial runout for the feedback model.

How does connector direction (Side-A) affect cabinet and cable routing for MDD115D-F-020-N2L-130GA0?

Its side-A orientation shortens cable loops on many gantry/column layouts for lowering capacitance and mechanical stress. Its connector pinouts and cable lengths preserve signal integrity over extended runs.

What drive/controller pairings are appropriate for the MDD115D-F-020-N2L-130GA0?

The Indramat digital drives (e.g., DDC/DKS families) are documented for DSF-equipped MDD motors for ensuring correct commutation and protection. Its approved combinations in configuration sheets should be followed to guarantee thermal and electrical compatibility.

Common Misspellings

Internal Product Review

Bosch Rexroth Indramat produces the servo motor MDD115D-F-020-N2L-130GA0 for closed-loop positioning with a 2000 min⁻¹ rated speed and DSF feedback. It comes with 130 mm of centering diameter, a plain shaft with seal, no brake and side-A connector. It is widely used in packaging, machine-tool, printing and handling systems that seeks precise servo coordination.

1620 Old Apex Road
Cary, NC 27513, USA

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Fax: 1-919-867-6204

[email protected]

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Indramat USA 1 Year Warranty

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We offer a repair service for the MDD115D-F-020-N2L-130GA0.

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

Phone

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.