R911282463 (MKD112C-024-KP3-BN)

MKD Synchronous Motors

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The Bosch Rexroth servo motor R911282463 (MKD112C-024-KP3-BN) is part of the MKD series, featuring a winding code 024 and a motor length 'C'. It operates with natural cooling and supports motor overtemperature ratings of 60K/100K. The unit delivers a continuous torque at standstill of 38.0 Nm and achieves a nominal speed of 2000 RPM, with a maximum speed up to 6000 RPM. It is equipped with a shaft including a keyway and shaft seal, flange mounting, and a centering diameter of 130 mm coupled with a flange size of 192 mm. The motor integrates resolver feedback and an absolute multi-turn encoder (position detection >4096 revolutions). An electrically released holding brake rated at 70 Nm is included. Voltage rating is 300V, insulation class is F, and the output connector is positioned on side B.

Technical Specifications

Type
Servo Motor

Characteristic Speed (Natural Cooling)
2000 RPM

Maximum Speed
4000 RPM

Torque at Characteristic Speed (100k)
43.5 Nm

Winding Code
024

Centering Diameter of Frame
130 mm

Flange Size
192 mm

Length of Motor Frame
38 Nm

Shaft
Shaft with Keyway

Output Connector Direction
Side B

Holding Brake
Electrical Release Principle

Frequently Asked Questions

Why specify a keyed output shaft with an integrated shaft seal in this code variant?

The keyway provides positive torque transmission and repeatable phasing for couplings and pulleys, while the seal mitigates ingress that accelerates bearing and resolver wear. It tolerates axial/radial loads in coolant- or dust-laden cells typical of machine tools and packaging machines.

What control advantages arise from resolver-based absolute position detection (>4096 revs) compared with incremental feedback?

The resolver supply sine/cosine vectors tolerant to EMC and temperature for enabling deterministic commutation at startup without homing. Its absolute multi-turn data preserves position after power loss that shrinks cycle recovery time and improves closed-loop stiffness in multi-axis kinematics.

How does the 70 Nm holding brake option affect vertical-axis safety and servo tuning?

The brake secures the drivetrain when de-energized for reducing back-drive on Z-axes and gantries. Its 70 Nm static torque allows lower standby current and softer detune of position loops during e-stop scenarios without load drop.

How does Centering Ø 130 mm with Motor Length “C” simplify retrofit into legacy flanged assemblies?

The 130 mm pilot controls run-out and shear loading to ease concentric alignment with gearboxes or belt stages. It keeps stack length predictable to preserving shaft overhang factors and simplifies spacer/bell-housing reuse.

Why is Insulation Class F significant for MKD112C-024-KP3-BN in extended duty cycles at 0–40 °C?

The class F materials tolerate higher winding hot-spot temperatures for enabling sustained torque without premature varnish breakdown. It extends bearing grease life indirectly by limiting heat soak into the end-shields during prolonged S1 operation.

Common Misspellings

Internal Product Review

The Bosch Rexroth Indramat MKD112C-024-KP3-BN motor possess IP65 sealing on a keyed shaft. It comes with a 70 Nm brake for secure axes and it uses resolver-based absolute detection. This motor has insulation of class F and its rated speed is 6000 rpm. It consumes 4 kW to deliver 36 Nm torque and it is widely used in packaging and robotics lines.

1620 Old Apex Road
Cary, NC 27513, USA

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International: 1-919-443-0207

Fax: 1-919-867-6204

[email protected]

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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.