MS2M03-A0FNN-KMDL1 Bosch Rexroth Indramat
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MPN: R911421761
The Bosch Rexroth Indramat MS2M03-A0FNN-KMDL1 is part of the MS2M Ultra Compact Motors series and features a frame size of 3 with a frame length of A. This motor provides a rated speed of 3000 rpm with a rated torque of 0.64 Nm and a maximum torque of 1.91 Nm. It uses an optical encoder with 23-bit resolution and supports natural convection cooling, while maintaining IP65 protection and a sound pressure level of 65 dB(A).
Internal Product Review
The MS2M03-A0FNN-KMDL1 is an ultra compact motor from Bosch Rexroth Indramat featuring an optical encoder with 23-bit resolution and natural convection cooling. Its rated torque of 0.64 Nm and rated speed of 3000 rpm make it particularly suitable for precise, high-speed automation tasks. IP65 protection and a quick lock SPEEDCON connector highlight its suitability for demanding industrial environments.
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Product Description:
The MS2M03-A0FNN-KMDL1 is an ultra-compact servo motor produced by Bosch Rexroth Indramat and placed within the MS2M Ultra Compact Motors series. It is intended for precise rotary positioning and velocity control in automated machinery where cabinet space is limited yet dynamic response is required. Its compact form suits small axes that still need accurate motion control and steady speed regulation during repetitive machine cycles. Low rotor inertia supports fast acceleration and quick reversals, which helps the drive respond cleanly during short indexing moves.
The motor operates at a nominal shaft speed of 3000 rpm, developing a continuous torque of 0.64 Nm while drawing a phase current of 1.50 A. At that duty point, copper loss is influenced by a phase resistance of 2.78 Ω, and the electromagnetic time constant is affected by a phase inductance of 13.90 mH. Feedback is delivered by an optical 23-bit single-turn or multi-turn encoder that supplies position data over a 4.75 to 5.25 V line, allowing fine interpolation by the drive controller. Five pole pairs support smooth torque production, and natural convection cooling eliminates the need for forced airflow. An electrically released holding brake rated at 24 V DC secures the shaft when power is removed. Double metal-sheathed lead cables terminate in M17 quick-lock SPEEDCON connectors for secure motor connections.
For short load peaks, the motor withstands a torque of 1.91 Nm and a corresponding winding current of 4.61 A. The housing carries an IP65 rating, so dust ingress and low-pressure water jets do not affect internal components. A torque constant of 0.42 Nm/A links commanded current to output torque, which supports linear control behavior in the drive. The sound pressure level is 65 dB(A), helping keep operating noise moderate. Operation is specified between 0 °C and 40 °C, matching typical cabinet environments. The keyed shaft is supplied without a sealing ring, so the application can use a seal that matches its gearbox or coupling arrangement.
