MS2N04-B0BTN-CMSK1-NNNNE-NN

The Bosch Rexroth Indramat MS2N04-B0BTN-CMSK1-NNNNE-NN servo motor, part of the MS2N Synchronous Servo Motors series, delivers high-precision torque control in industrial automation environments. This robust motor features a torque constant of 0.87 Nm/A and a voltage constant of 52.7 V/1000 min⁻¹, ensuring accurate current-to-torque conversion. With a winding resistance at 20 °C of 6.55 ohms and an integrated self-cooling design, the MS2N04-B0BTN-CMSK1-NNNNE-NN achieves efficient thermal management through natural convection, radiation, and structural conduction. Manufactured by Bosch Rexroth Indramat, this motor combines durability with advanced heat dissipation mechanisms to support long-term, continuous operation in demanding industrial applications. Its compact form factor and optimized performance make it a reliable choice for motion control systems requiring consistent torque and speed regulation.

In detailed technical terms, the MS2N04-B0BTN-CMSK1-NNNNE-NN offers a maximum torque at 100 K of 5.9 Nm and a standstill torque rating at 100 K of 2.15 Nm, with a standstill current of 2.7 A at 100 K and 2.2 A at 60 K. The motor operates with 5 pole pairs, achieving a maximum electrical speed of 6000 rpm and a mechanical top speed of 6000 rpm. Its rated power at 100 K is 0.57 kW, supported by a rated speed of 4980 rpm and a rated torque of 1.09 Nm at the same temperature. The rated current of 1.51 A at 100 K further underscores its efficiency under load. The motor’s thermal time constant for the winding of 18.9 seconds enables rapid thermal equilibrium, reducing the risk of overheating during peak performance. Weighing 3.4 kg, this lightweight design contributes to lower inertia within motion systems and facilitates straightforward mounting and alignment.

Operational features include an integrated electromagnetic holding brake delivering a holding torque of 5.00 Nm at 24 V with a current draw of 0.63 A. The brake achieves a maximum connection time of 30 ms and a disconnection time of 45 ms, ensuring rapid engagement and disengagement for safety and positioning accuracy. The motor’s self-cooling mechanism leverages natural airflow and conduction into the machine’s structure, maintaining stable temperatures even during prolonged duty cycles. With a consistent torque constant and minimal variation in winding resistance, the MS2N04-B0BTN-CMSK1-NNNNE-NN maintains repeatable performance across a broad ambient temperature range. Its design minimizes vibration and acoustic noise, contributing to quieter operation in assembly lines and packaging machines.

System integration of the MS2N04-B0BTN-CMSK1-NNNNE-NN is facilitated by standardized flange dimensions and compatible encoder interfaces, enabling seamless connection to Bosch Rexroth Indramat drives and controllers. The motor’s parameter set, including number of pole pairs, rated current, and voltage constant, can be precisely tuned within Rexroth’s motion control software to match application-specific requirements. Targeted applications include CNC equipment, pick-and-place robotics, packaging systems, and automated assembly cells where high dynamic response and positional precision are paramount. The combination of reliable thermal management, compact design, and robust brake performance positions this servo motor as a versatile solution for modern industrial automation tasks.