R911400522 (MSK100A-0300-NN-M1-BP1-NNNN)

MSK IndraDyn S Synchronous Motors

MSK100A-0300-NN-M1-BP1-NNNN Series Image

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The R911400522 (MSK100A-0300-NN-M1-BP1-NNNN) is a Bosch Rexroth IndraDyn S synchronous servomotor designed with a motor size of 100 and length A. It features a keyed output shaft, IP65 protection, and natural convection cooling. The unit supports Hiperface optical multiturn absolute encoder technology with 128 signal periods. Continuous torque at standstill (100 K) is 17.0 Nm with a continuous current of 11.6 A, and maximum torque reaches 54.0 Nm with a maximum current of 45.9 A. The winding inductivity is 11,200 mH. The electrically-released holding brake yields 32 Nm holding torque and operates with actuation and release times of 15 ms and 115 ms, respectively. The thermal time constant is 39 minutes. The power connector and electrical interface are positioned on the B side. Operational temperature is 0 to 40°C, with relative humidity below 90%.

Technical Specifications

Product
Bosch Rexroth Synchronous Motor

Housing
Surface Cooling

Thermal Time Constant
39 min

Protection Level
IP 65

Paint Finish
Black

Output Shaft
With Keyways and Upper Sealing Ring

Constant Current
11.6 A

Constant Torque at 100 K
17 Nm

Weight
23 Kg

Brake Weight
1.1 Kg

Brake Holding Torque
32 Nm

Brake Connection Time
15 ms

Brake Disconnection Time
115 ms

Insulation
Class 155

Encoder Type
Absolute Multiturn Hiperface

Electrical Connection
B Side

Continuous Torque at 60 K
15 Nm

Continuous Current
10.2 A

Shipping and Storage Temperature Range
-20 to +80 Degrees Celsius

Operating Temperature
0 to 40 Degrees Celsius

Relative Humidity during Operation
Below 90%

Accessories
Drive Controlle

Frequently Asked Questions

What role does the 32 Nm electrically released holding brake play on vertical Z-axes or safety-related stops in the MSK100A-0300-NN-M1-BP1-NNNN?

The brake holds load position when the drive is disabled for reducing drift on gravity-loaded axes and enabling safer interventions. Its electrical release allows deterministic control and integration with drive enable chains.

How do the 128 signal periods of the optical scale translate into usable resolution and control bandwidth?

It drive interpolate the sinusoidal tracks to yield fine angular resolution while maintaining smooth velocity estimation. Its combination enhances servo stiffness and minimizes cogging-related ripple in precision indexing applications.

How does winding inductance influence current ripple and torque smoothness on MSK100A-0300-NN-M1-BP1-NNNN under PWM drives?

The higher phase inductance filters switching harmonics for lowering ripple torque and easing drive current loop tuning. It also affects field-weakening behavior at speed, so controller parameters must match motor electrical constants.

Why is a keyed shaft specified, and how does it affect hub design on the MSK100A-0300-NN-M1-BP1-NNNN?

The keyway provides positive torque transmission and mitigates slip under transient loads for aiding overload handling during rapid index moves. Its hub dimensions and fit tolerances must follow Rexroth flange/shaft recommendations.

How do torque ratings (continuous at standstill and peak) guide axis selection for the MSK100A-0300-NN-M1-BP1-NNNN in packaging or press-feed lines?

The continuous standstill torque informs holding and low-speed duties, while peak torque covers acceleration and transient events. It is imortant to match inertia and duty cycle so RMS torque stays below thermal limits and peaks respect drive current.

Common Misspellings

Internal Product Review

The MSK100A-0300-NN-M1-BP1-NNNN from Bosch Rexroth is an IndraDyn S Synchronous Servomotor designed with natural convection cooling and a multiturn absolute optical encoder using the Hiperface interface. It delivers 17 Nm continuous torque and up to 54 Nm maximum torque with a 32 Nm electrically released holding brake. This motor is widely used in CNC machines, packaging systems, and robotics for precise motion control applications.

1620 Old Apex Road
Cary, NC 27513, USA

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International: 1-919-443-0207

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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.