R911322379 (MSK100A-0300-NN-M1-AG1-NNNN)

MSK IndraDyn S Synchronous Motors

MSK100A-0300-NN-M1-AG1-NNNN Series Image

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The R911322379 (MSK100A-0300-NN-M1-AG1-NNNN) is an IndraDyn S synchronous servomotor designed for high precision and efficiency in automation environments. It features natural convection cooling, a plain shaft, and a power connector on the A-side. The encoder system uses an optical multiturn absolute Hiperface interface with a resolution of 128 signal periods. With a motor size of 100 and length A, it includes an electrically released holding brake rated at 32 Nm. Key electrical parameters are 11.6 A continuous current and 17.0 Nm continuous torque at standstill (100 K), with a maximum current of 45.9 A and a maximum torque of 54.0 Nm. The motor has a winding inductance of 11,200 mH, a pressurized seal kit for high moisture environments, and an IP65 enclosure suitable for exposure to water jets, oils, and select non-corrosive particles.

Technical Specifications

Product Type
Synchronous Motor

Application
Industrial Automation

Compatibility
Wide Variety of Sensors and Actuators

Additional Kit
Pressurized Sealing Kit

Construction
Compact

Frequently Asked Questions

What does the 1.70 Nm/A torque constant imply for drive sizing and current limits on MSK100A-0300-NN-M1-AG1-NNNN?

Its torque constant links commanded current to developed torque for simplifying current-loop tuning and anti-windup strategies. Its 1.70 Nm/A can predict saturation margins, choose appropriate current limits and maintain commanded acceleration while minimizing thermal stress on the inverter and motor windings.

Why is natural-convection cooling practical for this motor’s envelope and duty profiles?

The natural convection eliminates blower plumbing and failure points for keeping thermal characteristics stable for moderate continuous loads and frequent accelerations. It also eases enclosure integration and hygiene compliance in food/packaging cells where external fans are undesirable or restricted by washdown practices.

How do 11,200 mH winding inductivity and 4.6 nF leakage capacitance influence EMC and current ripple?

The inductivity smooths phase current for lowering di/dt stress and torque ripple under PWM. Its small leakage capacitance reduces conducted noise paths, while combined with shielded cabling and proper grounding, it supports compliance to industrial EMC limits without excessive external filtering.

How does the 32 Nm electrically-released holding brake on MSK100A-0300-NN-M1-AG1-NNNN aid vertical-axis safety?

The brake engages on power loss to prevent load drift for meeting retention needs on Z-axes or indexing tables. Its electrically releasing it during motion avoids residual drag, while the rated torque simplifies SIL/PL calculations alongside mechanical reduction and frictional holding contributions.

What are the integration benefits of the A-side power connector and plain-shaft geometry on MSK100A-0300-NN-M1-AG1-NNNN?

The A-side power simplifies cable routing in multi-motor frames for improving separation from feedback lines. Its plain-shaft profile accommodates collet, clamp or keyless hubs for minimizing backlash interfaces and easing service swaps without remachining couplers or end effectors.

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Internal Product Review

The MSK100A-0300-NN-M1-AG1-NNNN servomotor by Bosch Rexroth Indramat delivers 17.0 Nm continuous torque and supports up to 54.0 Nm peak torque. It features a multiturn absolute optical encoder with Hiperface interface and natural convection cooling. This motor is commonly used in robotics, packaging, conveyor systems, and servo press applications.