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MS2E03-B0BYN-CMSG0-NNNNN-NN Bosch Rexroth Indramat

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The Bosch Rexroth Indramat MS2E03-B0BYN-CMSG0-NNNNN-NN is part of the MS2E Synchronous Servomotors series and features a nominal speed of 9000 revolutions per minute. This 3-phase permanent magnet motor is IP65 rated with a smooth shaft and self-cooling design. It uses an advanced ACUROlink multiturn encoder system offering 20-bit resolution and supports single cable connection with a rotatable M23 connector.

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Product Description:

The MS2E03-B0BYN-CMSG0-NNNNN-NN is a three-phase permanent-magnet servo motor manufactured by Bosch Rexroth Indramat within the MS2E Synchronous Servomotors series. Designed for closed-loop positioning tasks in automated assembly and packaging equipment, it converts drive current into precise mechanical motion. The unit follows the B5 / IM3001 mounting standard, has a 58 mm flange, and uses a smooth shaft with a shaft sealing ring. Standard deep-groove ball bearings support the rotor, while a 40 mm centering collar helps maintain concentric alignment during installation.

The motor’s feedback assembly uses an Advanced Performance ACUROlink multi-turn encoder, providing 20-bit single-turn resolution and tracking absolute position across 4096 revolutions. A permissible mechanical speed of 9000 rpm supports high-speed operation with the controller’s velocity loop. A PT1000 sensor embedded in the stator reports the winding temperature to the connected drive. The enclosure reaches an ingress protection rating of IP65 through its sealed housing and shaft sealing ring, while a RAL 9005 varnish protects the exterior. Power, signal, and brake conductors share a rotatable M23 single-cable connector that allows the cable exit direction to be adjusted for the installation. The mechanical interface has a 63 mm bolt circle and 4.5 mm mounting holes. Frame length code B is combined with motor size code 03, and the flange uses the standard accuracy class for this motor series.

Heat is dissipated through self-cooling airflow across the motor housing, eliminating the need for a separate fan or liquid-cooling circuit. The low-inertia rotor supports rapid acceleration and responsive positioning under changing motion commands. The motor is supplied without a holding brake, so an external brake or drive-generated torque must retain suspended loads when the axis is stopped. The assembly is ATEX compliant for use in applicable explosive atmospheres when installed and operated according to the required safety conditions. Continuous rated output is available from sea level to an elevation of 1,000 m above mean sea level. The permitted ambient operating temperature is 0 to 40 °C without derating within the stated elevation range.

Absolute Revolutions
4096
Ambient Temperature
0 ... 40 °C (without de-rating)
Bearing Type
Standard (Deep-groove ball bearing)
Centering Collar Diameter
40 mm
Coating
Varnish RAL 9005
Conformity
ATEX compliant
Cooling
Self-cooling
Cooling Principle
Self-cooling
Electrical Connection Type
Single cable connection, M23, rotatable
Encoder System
Advanced Performance ACURO®link
Encoder Type
Multiturn
Flange Exactness
Standard
Flange Size
58 mm
Frame Length Code
B
Functional Encoder Resolution (Singleturn)
20 bit
Holding Brake
Without holding brake
Hole Circle Diameter
63 mm
Installation Altitude
0 ... 1,000 m above MSL
Motor Size Code
03
Mounting Holes Diameter
4.5 mm
Mounting Standard
B5 / IM3001
Nominal Speed
9000 1/min
Product Type
3~ PM motor
Protection Class
IP65 with shaft sealing ring
Rotor Inertia Class
Low inertia
Shaft Type
Smooth, with shaft sealing ring
Temperature Sensor
PT1000

Frequently Asked Questions about MS2E03-B0BYN-CMSG0-NNNNN-NN:

Q: What is the shaft design of the MS2E03-B0BYN-CMSG0-NNNNN-NN servomotor?

A: This motor uses a smooth shaft with a shaft sealing ring for secure installation and enhanced contamination protection.

Q: What level of protection does the MS2E03-B0BYN-CMSG0-NNNNN-NN offer?

A: The protection class is IP65 with a shaft sealing ring, providing effective dust and low-pressure water jet protection.

Q: What type of encoder and resolution is used in this motor?

A: The encoder system is an Advanced Performance ACURO®link multiturn model with 4096 absolute revolutions and 20-bit functional resolution.

Q: How is the MS2E03-B0BYN-CMSG0-NNNNN-NN servo motor cooled?

A: This model features self-cooling, operating without external cooling devices.

Q: Is the MS2E03-B0BYN-CMSG0-NNNNN-NN suitable for use in ATEX environments?

A: The MS2E03-B0BYN-CMSG0-NNNNN-NN complies with ATEX requirements, supporting use in potentially explosive environments.


Internal Product Review

  • ‘‘The MS2E03-B0BYN-CMSG0-NNNNN-NN is a 3~ PM motor with self-cooling, well suited for compact servo installations. Advanced Performance ACURO®link multiturn feedback gives the motor precise commutation and dependable position tracking. IP65 protection with shaft sealing ring and a 9000 rpm nominal speed make the unit especially appealing for high-speed machine axes.’’

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