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8MSA2X.R0-I8 B & R Automation

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The 8MSA2X.R0-I8 is a three phase synchronous motor produced by B & R Automation, belonging to the 8MS Three Phase Synchronous Motors series. This motor has a rated nominal speed of 6000 rpm, offers extra large relative rated torque, and features a self-cooling system with a resolver encoder for feedback. It also comes with a holding brake capable of 1.8 Nm torque and allows for 200 N permitted axial force during installation.

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Product Description:

The 8MSA2X.R0-I8 is a three-phase synchronous motor manufactured by B&R Automation for the 8MS Three Phase Synchronous Motors series. It converts controlled current from a servo drive into precise rotary motion for indexing tables, feeders, and compact gantry axes. This motor is suited to automated machinery that requires repeatable positioning and stable torque in a compact package.

This model reaches a nominal speed of 6000 rpm, which supports fast axis movement and high surface speed before any reduction stage. Cooling is handled by a self-cooling housing, so the motor does not require a separate fan or liquid circuit during normal operation. A spring-applied brake rated at 1.8 Nm holds the shaft when power is removed. All power, feedback, and brake leads exit on the B side, which can simplify cable routing in tight machine spaces.

The shaft can tolerate up to 200 N of axial force during coupling assembly, which helps protect the bearings from overload. Its magnetic design provides an extra large relative rated torque, allowing strong continuous output for its frame size. Position feedback comes from a resolver with nonlinearity limited to ±1 angular minute. The sensing element follows the BRX specification for compatibility with standard B&R servo drives.

Wake Industrial offers a 1-year warranty on every unit and can arrange same-day shipping when needed. The chat tool available on the website can be used for questions about fault codes or type codes. Order handling helps reduce downtime when a replacement motor is needed quickly for urgent repairs.

Connection Direction
B Side
Cooling System
Self-cooling
Encoder Technology
Resolver
Holding Brake Equipped
Yes
Holding Brake Torque
1.8 Nm
Motor Length
X
Motor Size
2
Oil Seal Equipped
No
Permitted Axial Force (Fa) during Installation
200 N
Product Type
8MS Three Phase Synchronous Motors
Rated Speed Nominal
6000 rpm
Relative Rated Torque
Extra large
Resolver Non-linearity
±1 angular minute
Resolver Precision
±10 angular minutes
Resolver Type
BRX
Shaft End Type
Smooth

Frequently Asked Questions about 8MSA2X.R0-I8:

Q: What type of cooling system does the 8MSA2X.R0-I8 synchronous motor use?

A: The 8MSA2X.R0-I8 synchronous motor features self-cooling to maintain operational temperature without external cooling equipment.

Q: What type of shaft end is featured on the 8MSA2X.R0-I8 motor?

A: This model has a smooth shaft end, allowing for direct coupling to compatible mechanical components.

Q: Is the 8MSA2X.R0-I8 motor equipped with a holding brake, and what is its torque?

A: A holding brake is equipped on this motor and offers a holding torque of 1.8 Nm.

Q: What is the maximum permitted axial force on the 8MSA2X.R0-I8 motor during installation?

A: The permitted axial force during installation for this motor is 200 N.

Q: What is the rated nominal speed for the 8MSA2X.R0-I8 synchronous motor?

A: The nominal rated speed of the 8MSA2X.R0-I8 motor is 6000 rpm.


Internal Product Review

  • ‘‘The 8MSA2X.R0-I8 is a three-phase synchronous motor from B & R Automation, featuring a self-cooling design and a B side connection direction. High precision is achieved with its resolver technology and a holding brake torque of 1.8 Nm. This model stands out for its extra large rated torque and 6000 rpm nominal speed, making it well-suited for demanding motion control applications.’’

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