R911402740 (MSK100A-0450-NN-M1-LP0-NNNN)

MSK IndraDyn S Synchronous Motors

MSK100A-0450-NN-M1-LP0-NNNN Series Image

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The R911402740 (MSK100A-0450-NN-M1-LP0-NNNN) is a Bosch Rexroth IndraDyn S synchronous servomotor with natural convection cooling and a left-side power connector. This standard-design motor, size 100, length A, features a shaft with keyway (DIN 6885-1) for secure torque transmission. It provides a maximum speed of 6,000 rpm, continuous current at standstill (100 K) of 13.6 A, continuous torque at standstill (100 K) of 17.0 Nm, maximum current of 54.0 A, and peak torque of 54.0 Nm. The winding inductivity is 7,800 mH. The stator contains a thermal sensor, and the optical multiturn absolute encoder (Hiperface, 128 signal periods) supports up to 4,096 mechanical revolutions. The servomotor has an IP65 enclosure and protective coating for use in environments exposed to mild acids, seawater, and mineral oils. It is designed to operate effectively at ambient temperatures up to 40°C.

Technical Specifications

Product Type
Servo Motor

Cooling Type
Self-Cooling Natural Convection

Maximum Speed
6000 RPM

Encoder Type
Multiturn Absolute Encoder

Encoder Accuracy
±80 Angular Seconds

Encoder Interface
Hiperface

Coating Color
Black (RAL9005)

Ingress Protection Rating
IP 65

Output Shaft Type
One with Keyway according to DIN 6885-1

Maximum Ambient Temperature
40°C

Frequently Asked Questions

What does the optical multiturn absolute Hiperface encoder (128 signal periods) contribute on this model?

The encoder provides absolute position across multiple revolutions with fine interpolation from 128 signal periods for enabling repeatable homing-free startup and accurate velocity feedback. It improves contouring, registration and recovery after power loss.

How does the 7,800 mH winding inductivity influence drive tuning and current ripple?

The higher inductivity smooths current transitions for lowering ripple and easing current-loop tuning for quieter torque production. It may slightly limit electrical bandwidth, so set current-loop gains appropriately and rely on velocity loop to meet dynamic targets.

Why specify a left-side power connector on MSK100A-0450-NN-M1-LP0-NNNN in compact machines?

The side orientation simplifies cable routing in narrow cabinets and multi-axis racks for reducing bend stress at the motor exit. It also helps segregate power from encoder leads to minimize EMI in high-gain loops.

Is MSK100A-0450-NN-M1-LP0-NNNN compatible with Bosch Rexroth IndraDrive platforms?

Yes, the MSK (IndraDyn S) motors are intended for IndraDrive for leveraging native encoder interfaces and motion libraries for multi-axis coordination. It eases commissioning, diagnostics and safety integration on packaging and converting lines.

What advantage does a shaft with keyway offer versus a plain/serrated shaft?

The keyed shaft provides positive mechanical indexing and transmits torque without relying solely on friction for easing hub alignment. It’s well-suited to belt-pulley or rigid-coupling interfaces where repeatable phasing matters.

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Internal Product Review

The MSK100A-0450-NN-M1-LP0-NNNN servomotor from Bosch Rexroth is commonly used in CNC machining, printing presses, and automated packaging lines. It offers 17.0 Nm continuous torque and 13.6 A current at standstill, with natural convection cooling. The motor includes a multiturn absolute optical encoder with Hiperface interface and 128 signal periods.

1620 Old Apex Road
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

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