R911332078 (MSK100A-0450-NN-S1-AP0-NNNN)

Name: R911332078 (MSK100A-0450-NN-S1-AP0-NNNN)
Brand: Indramat Motors
SKU: MSK100A-0450-NN-S1-AP0-NNNN
Price: 831.00 USD
Availability: InStock

MSK IndraDyn S Synchronous Motors

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The R911332078 (MSK100A-0450-NN-S1-AP0-NNNN) is a Bosch Rexroth MSK series synchronous servo motor designed for demanding automation environments. This unit has a motor size of 100 and length A, incorporates four pole pairs, and operates with natural convection cooling. The motor features a shaft with keyway, a winding code of 0450, continuous current at standstill (100 K) of 13.6 A, and continuous torque at standstill of 17.0 Nm. Maximum current is rated at 54.0 A, and maximum torque is 54.0 Nm. The optical single-turn encoder uses Hiperface interface, delivers a resolution of 128 signal periods, and provides system accuracy of ±80 angular seconds. Dual temperature monitoring includes a KTY84 sensor. The housing is IP65 rated and supports operation up to 1000 m above sea level, in 0–40°C ambient temperature, and up to 95% relative humidity. Electrical connection is via the A-side. No holding brake is included.

Technical Specifications

Product
Bosch Rexroth MSK Servo Motor

Temperature Monitoring System
KTY84 Thermal Sensor

Integrated Encoder System
Single-Turn Encoder With Hiperface Interface

System Accuracy
±80 Angular Seconds

Measurement Method
Optical

Ingress Protection Rating
IP 65

Pole Pairs
4

Maximum Speed
6,000 Revolutions Per Minute

Output Shaft
With Keyway

Shaft Sealing Ring
Present

Ambient Temperature for Operation
0oC to 40oC

Maximum Relative Air Humidity
95%

Maximum Installation Height
1,000m Above Sea Level

Frequently Asked Questions

How does natural-convection cooling affect continuous torque for MSK100A-0450-NN-S1-AP0-NNNN?

The passive cooling keeps the thermal model predictable without blower noise or maintenance points. Its 13.6 A at 100 K, sustains 17.0 Nm at standstill while preserves insulation life under typical cabinet or open-machine mounting.

Why specify a singleturn encoder rather than multiturn in mixed-axis systems?

The singleturn absolute sensing minimizes data payloads and avoids gear-based drift; it suits axes that reference over limited travel. Its controller-stored offsets and soft limits make singleturn encoders efficient and reliable.

What is the role of the 7,800 mH winding inductivity in MSK100A-0450-NN-S1-AP0-NNNN?

The high phase inductivity filters current ripple from the drive’s PWM for reducing torque ripple and acoustic artifacts. It also improves current-loop stability for allowing tighter bandwidth tuning without risking overshoot at higher d-axis currents.

How does the A-side power connector aid commissioning in dense machines?

The side-mounted power simplifies cable egress in vertical or wall-mounted axes and shortens motor-to-drive runs. It reduces parasitic inductance/EMI, eases bend-radius constraints and accelerates field replacement in multi-axis racks.

How do 17.0 Nm (continuous) and 54.0 Nm (peak) translate to application sizing for the product code MSK100A-0450-NN-S1-AP0-NNNN?

The continuous torque covers steady axes like metering screws, while peak torque accommodates accelerate/decelerate phases in indexers. Its correct sizing keeps RMS within thermal limits while reserving headroom for transient throughput targets.

Common Misspellings

MSK100A0450NNS1AP0NNNN

MSK100A 0450 NN S1 AP0 NNNN

MSK-100A-0450-NN-S1-AP0-NNNN

Internal Product Review

The MSK100A-0450-NN-S1-AP0-NNNN servomotor from Bosch Rexroth features a 17.0 Nm continuous torque and 450 rpm rated speed, supported by natural convection cooling. It includes a singleturn optical encoder with Hiperface interface and 128 signal periods for precise motion feedback. This motor is ideal for use in packaging, CNC machining, and printing industries.