MAC025A-0-WS-4-E/040-A-1/WI673LV Bosch Rexroth Indramat
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The Bosch Rexroth Indramat MAC025A-0-WS-4-E/040-A-1/WI673LV is part of the MAC AC Servo Motors series and is designed as a motor for analog drives. This model features natural convection cooling, a standard blocking brake, and a power connector located on side A. It uses an incremental encoder with standard mounting for position feedback and has tachofeedback options.
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Product Description:
The MAC025A-0-WS-4-E/040-A-1/WI673LV is an AC servo motor produced by Bosch Rexroth Indramat within the MAC AC Servo Motors series. Designed for industrial automation, it transforms electrical drive commands into precise shaft torque and speed, allowing machine tools, handling units, and packaging equipment to perform controlled rotary movements. Integration with a compatible Rexroth drive controller provides closed-loop positioning for repeatable motion under changing mechanical loads. The motor’s compact design also supports applications that require responsive acceleration and accurate speed regulation.
The stator uses winding code WS, which indicates the electrical characteristics and permissible current limits for this frame size. Heat generated by the windings is removed through natural convection, so the installation must provide sufficient open space for airflow around the housing. Command and speed information can be exchanged through tacho feedback with incremental or absolute encoder devices, giving the drive a velocity or position reference according to the installed transducer. Power conductors enter the motor through a connector on side A, orienting the cable run parallel to the machine bed and simplifying the placement of strain-relief hardware. The unit is classified as a motor for analog drives, with the current and velocity control loops located in an external controller that supplies continuous analog setpoints.
The motor has a frame size of 025 and a compact length code of A, resulting in low rotor inertia and a quick response to changing command signals. Fine position information is delivered by an incremental encoder with standard mounting, which supplies evenly spaced pulses to a compatible drive card. This feedback arrangement supports accurate interpolation when the connected axis performs small or repeated movements. A standard spring-applied blocking brake holds the shaft at standstill by applying clamping torque whenever control power is removed. The brake is suitable for retaining a stationary load when drive-generated torque is unavailable, while the encoder continues to support precise motion feedback during powered operation.
Frequently Asked Questions about MAC025A-0-WS-4-E/040-A-1/WI673LV:
Q: Does the MAC025A-0-WS-4-E/040-A-1/WI673LV servo motor include a blocking brake?
A: This model is equipped with a standard blocking brake for secure holding during stationary periods.
Q: What cooling method is used by the MAC025A-0-WS-4-E/040-A-1/WI673LV motor?
A: Cooling for the MAC025A-0-WS-4-E/040-A-1/WI673LV is accomplished using natural convection, eliminating the need for external fans.
Q: What type of feedback configuration is available on the MAC025A-0-WS-4-E/040-A-1/WI673LV?
A: The feedback is provided with a tachofeedback incremental or absolute encoder for precise control and monitoring.
Q: Where is the power connection located on the MAC025A-0-WS-4-E/040-A-1/WI673LV?
A: The power connection is located at connector to side A on this model.
Q: What type of position feedback does the MAC025A-0-WS-4-E/040-A-1/WI673LV provide?
A: This motor features an incremental encoder with standard mounting for position feedback.
