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R911257959 (MDD093C-N-060-N2L-110GB2)

MDD Synchronous Motors

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The Bosch Rexroth AC servo motor R911257959 (MDD093C-N-060-N2L-110GB2) is designed for motion control applications requiring high dynamic response. It features a torque constant of 0.30 Nm/A, winding resistance of 0.07 Ω at 20°C, and a nominal speed of 6000 min⁻¹. The motor delivers a continuous torque of 19.5 Nm under surface cooling with a continuous current of 65.2 A, and can generate up to 60.6 Nm torque at a peak current of 293.3 A. Constructed with a corrosion-resistant black coating, the unit weighs 22 kg with a centering diameter of 110 mm, includes a plain output shaft with a shaft seal, and features digital servo feedback. An integrated blocking brake with 22 Nm holding torque and a mass of 1.1 kg is provided. This motor is dust- and liquid-resistant to IP65, has insulation class F, a moment of inertia of 42 x 10⁻⁴ kg·m², and inductance of 0.7 mH. Grounding is required via PG threaded joints. The motor is compatible with designated digital drive controllers.

Technical Specifications

TorqueConstant
0.30Nm/A

WindingResistance
0.07ohms

MaximumNominalSpeed
6000rpm

PeakCurrent
293.3A

TheoreticalTorque
60.6Nm

SurfaceCoolingConstantTorque
19.5Nm

SurfaceCoolingConstantCurrent
65.2A

InsulationClass
F

MomentOfInertia
42x10-4kgm2

HousingType
NaturalAndSurfaceCooling

ThermalTimeConstant
50minutes

ServoFeedback
Digital

OutputShaft
Plain

Weight
22kg

HoldingBrake
1.1kg

HoldingTorque
22Nm

ClampingDelay
30milliseconds

ReleaseDelay
70milliseconds

PowerConnection
GroundedPGThreadedJoints

IPCertification
IP65

Inductance
0.7mH

CenteringDiameter
110mm.

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Cary, NC 27513, USA

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Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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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.