MAC041B-0-BS-4-E/050-B-1/WI673 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat MAC041B-0-BS-4-E/050-B-1/WI673 is part of the MAC AC Servo Motors series and is designed for analog drives. It features natural convection cooling, a standard blocking brake, and position feedback with an incremental encoder and standard mounting.
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Product Description:
The MAC041B-0-BS-4-E/050-B-1/WI673 is an AC servo motor produced by Bosch Rexroth Indramat for the MAC AC Servo Motors series. It is intended for position and speed control in automated machinery that still uses analog drive amplifiers. Internal sensing supports closed-loop regulation, allowing repeatable torque on compact axes in assembly stations, handling modules, and light machine-tool feeds. Because it is suited to smaller servo axes, it can be used where precise starts, stops, and speed changes are required without a large motor footprint.
This model uses natural convection for cooling, so no external blower or liquid circuit is required at rated current. The motor size is 041, and the frame length is B, which keeps the package compact while supporting useful torque for light-duty motion tasks. Electrical power is routed through a keyed connector on side B, which can simplify cable routing when the motor is mounted beside right-hand bearing supports. Rotor speed information comes from internal tacho feedback, providing a stable signal for analog speed regulation. This cooling method also avoids the need for separate fan wiring or external airflow hardware around the motor body.
The motor is designed for analog drives, so its feedback signal levels and commutation match legacy amplifier boards used in retrofit systems. An incremental encoder is fitted for position feedback, and the integrated centering flange helps align the motor accurately during installation. A standard blocking brake holds the load when power is removed, which is useful on axes that must remain in place at standstill. The encoder supports position monitoring during coordinated moves, while the brake adds holding capability during shutdown or stop conditions. This arrangement suits compact motion applications that need repeatable positioning and controlled stopping behavior.
Frequently Asked Questions about MAC041B-0-BS-4-E/050-B-1/WI673:
Q: Does the MAC041B-0-BS-4-E/050-B-1/WI673 servo motor have a blocking brake?
A: The MAC041B-0-BS-4-E/050-B-1/WI673 comes with a standard blocking brake for secure load holding when powered off.
Q: What cooling method does the MAC041B-0-BS-4-E/050-B-1/WI673 utilize?
A: This servo motor uses natural convection cooling, operating efficiently without the need for external fans.
Q: What type of feedback is available on the MAC041B-0-BS-4-E/050-B-1/WI673 motor?
A: The feedback configuration offers tachofeedback and supports either incremental or absolute encoders for position control.
Q: Where is the power connection located on the MAC041B-0-BS-4-E/050-B-1/WI673 motor?
A: The power cable connects on side B of this model, simplifying integration in certain mounting orientations.
Q: What type of position feedback system does the MAC041B-0-BS-4-E/050-B-1/WI673 use?
A: This motor features an incremental encoder with standard mounting for position feedback.
