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R911317592 (MSK101D-0300-NN-M1-AP3-NNNN)

MSK IndraDyn S Synchronous Motors

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1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The R911317592 (MSK101D-0300-NN-M1-AP3-NNNN) is an MSK101D IndraDyn S synchronous servo motor from Bosch Rexroth, equipped with natural convection cooling, a keyway shaft, and a standard flange for mounting. This motor features durable, grease-lubricated bearings, a brushless design, and meets IP65 ingress protection, making it suitable for use in challenging industrial environments. Technical specifications include a maximum speed of 4,600 RPM, peak torque of 160.0 Nm, continuous standstill torque of 57.0 Nm at 100 K, and a continuous current at standstill of 34.9 A. The winding has an inductance of 3,200 mH and resistance of 0.19 Ohm at 20°C. The unit has four pole pairs and a multiturn absolute optical encoder with Hiperface interface and 128 signal period resolution. A 120 Nm electrically released holding brake is integrated. The optimal operating range is 0°C to +40°C with humidity below 90%. The external surfaces are black-coated for enhanced protection.

Technical Specifications

Product Type
Servo Motor

Design
Brushless

Protection Level
IP65

Max Speed
4,600 RPM

Max Torque
137.7 Nm

Pole Pairs
4

Winding Inductivity
3,200 mH

Winding Resistance
0.19 Ohm

Operational Temperature
0 to +40 degrees Celsius

Relative Humidity
Below 90%

Connection
Via Connectors (A-side)

Shaft Type
Keyway-type smooth

Mounting
Through Standard Holes in Aluminum Flange

Exterior
Prime Coated (Black)

What operational risk arises from the motor’s 3,200 mH inductance during fast torque transients?

The large inductance slows current rise during acceleration, limiting how fast torque can change and requiring the drive to supply a higher voltage to overcome it. You’ll want a drive with sufficient voltage margin and current regulation bandwidth to fully exploit peak torque.

How does the built-in holding brake torque of 120 Nm impact safety during power loss?

In a power-off state it safely holds the load, but during engagement/disengagement it must be sequenced properly to avoid torque transients. Ensure drive logic cuts motor torque before brake release to avoid collision or mechanical shock.

In closed-loop systems, how critical is the 128 signal-periods (Hiperface) resolution for precision tasks?

It supports sub-micron incremental steps, which allows tight position control for high-precision machinery. However, mechanical backlash, coupling compliance, and loop tuning often dominate over raw encoder resolution.

How should I size the cabling given the peak current of 137.7 A?

Use low-resistance, heavily rated conductors and minimize length to limit IR drop and voltage sag; include proper shielding to avoid EMI with encoder lines. A voltage drop >2–3% under peak current can degrade dynamic response or trip drive protection.

What is the implication of the motor’s thermal time constant of ~100 minutes?

The motor temperature reacts slowly to load changes, so short bursts up to max torque are permitted, but sustained high duty cycles must be derated to avoid overheating.

MSK101D0300NNM1AP3NNNN

MSK101D 0300 NN M1 AP3 NNNN

MSK-101D-0300-NN-M1-AP3-NNNN

Internal Product Review

The MSK101D-0300-NN-M1-AP3-NNNN by Bosch Rexroth Indramat is a synchronous servomotor from the IndraDyn S series designed for precise industrial motion control. It offers 57.0 Nm continuous torque, 160.0 Nm peak torque, and features an optical multiturn encoder with natural convection cooling. This motor is widely used in robotics, CNC machinery, and automated indexing systems.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MSK101D-0300-NN-M1-AP3-NNNN.
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