R911278339 (MKD112B-024-KG1-AN)

Name: R911278339 (MKD112B-024-KG1-AN)
Brand: Indramat Motors
SKU: MKD112B-024-KG1-AN
Price: 537.00 USD
Availability: InStock
Rating: 4.3 (13 reviews)

MKD Synchronous Motors

Rated 4.3 stars (13 total reviews)

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The R911278339 (MKD112B-024-KG1-AN) is a Bosch Rexroth synchronous servo motor designed for precise closed-loop applications. This motor features a plain shaft with shaft sealing, a holding brake rated at 22 Nm, and resolver feedback with an integrated absolute multiturn encoder for position detection exceeding 4096 revolutions. The unit delivers a continuous standstill torque of 28.0 Nm and a maximum torque of 70 Nm, with a nominal voltage of 286 V. The MKD112B-024-KG1-AN supports a rated speed of 4500 min-1 and has an inertia of 0.015 kg·m². Its construction includes a centering diameter of 130 mm, size 112, and length B, with connection provided by an output connector. The motor operates within an ambient temperature range of 0 to 40°C and weighs 34 kg.

Technical Specifications

Product
Synchronous Motor

Total Variants
3

Cooling
Naturally Cooled, Non-Insulated, Forced Convection

Rated Torque (Naturally Cooled)
8.8 Nm

Rated Torque (Non-Insulated)
21.6 Nm

Rated Torque (Forced Convection)
30 Nm

Rated Speed
3500 RPM

Total Mass
34 Kg

Permissible Ambient Temperature
0-40 oC

Control System
Closed-Loop

Holding Brake Torque
22 Nm

Frequently Asked Questions

Why is rated power relevant in MKD112B-024-KG1-AN?

With an output of 11.6 kW, the motor defines inverter sizing and establishes its application range. This ensures adequate energy delivery for continuous operation under heavy-duty conditions.

What holding feature is included in MKD112B-024-KG1-AN?

A 22 Nm integrated holding brake secures vertical or inclined axes, preventing drift during power interruptions and enhancing safety and positional reliability in automated systems.

Why is rotor inertia important in MKD112B-024-KG1-AN?

The 0.015 kg·m² rotor inertia balances rapid acceleration with stable settling, reducing overshoot and vibration during high-speed start-stop sequences in precision motion applications.

How does winding resistance affect MKD112B-024-KG1-AN?

With 0.3 Ohm winding resistance, the motor provides predictable current-to-torque conversion, ensuring consistent performance and protecting electrical components under continuous or variable-load operations.

What feedback type benefits MKD112B-024-KG1-AN?

Absolute encoder feedback exceeding 4096 revolutions preserves axis coordinates after power cycles, eliminating homing routines and enhancing uptime in precision-driven automation processes.

Common Misspellings

MKD 112B-024-KG1-AN

MKD-112B-024-KG1-AN

MKD112B-O24-KG1-AN

MKD112B024KG1AN

MKD112B 024 KG1 AN

mkd112b-024-kg1-an

Internal Product Review

The MKD112B-024-KG1-AN is a plain-shaft motor with integrated brake and absolute feedback. With natural convection cooling and IP65 protection, it combines precise encoder detection with secure retention. Its compact inertia value balances dynamic response with stability, making it suitable for robotics and packaging.