2AD180C-B35RA3-BS23-B3N1

MPN: R911249821

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The Bosch Rexroth Indramat 2AD180C-B35RA3-BS23-B3N1 is part of the 2AD 3-Phase Induction Motors series and features a frame size of 180mm. It is a powerful AC servo motor with a rated power of 55 kW, a maximum speed of 6000 rpm, and a rated current of 148 A. The motor operates with blower (radial) cooling and IP65 protection.

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Product Description:

The 2AD180C-B35RA3-BS23-B3N1 Motor is a durable servo product of Bosch and it features a sealed plain output shaft and a 70-minute thermal time constant which ensures long lasting performance in industrial automation setup.

The 2AD180C-B35RA3-BS23-B3N1 servo motor operates using a direct input electrical potential of 351 volts suitable for a medium to high power application and it is featured with conventional bearing assemblies which supports smooth shaft rotation and minimizes friction, noise and wear without requiring specialized or exotic configurations. Its heat dissipation system uses a radial fan, mounted on the top of the motor housing which pulls air from the non drive end and pushes it toward the drive end which ensures continuous airflow over the stator and frame. The module includes a brake designed for intense duty cycles which is engaged by default and is only released when powered electrically. It is designed to achieve highest rotational velocity of 6000 min-1 which suggests it is engineered for applications where rapid response and speed variability are important, such as in automation, robotics or high speed machining. It is made for both flange and base mounted installation options and it is fitted with a precision feedback device such as an encoder that provides extremely detailed position and velocity data.

The 2AD180C-B35RA3-BS23-B3N1 motor is able to move or hold heavy loads as it can deliver a twisting force of up to 331nm which makes it well suited for high force tasks like lifting, pressing or driving machinery with considerable inertia. Its terminal for electrical power input is positioned on the right side and the rated continuous power output of the motor is 52 kilowatts which indicates its ability to perform steadily at this energy level without overheating. 

Cooling Connection
Radial Air Connector
Cooling Type
Blower (Radial)
Encoder Type
Incremental Encoder
Frame Size
180 mm
Max Speed
6000 rpm
Motor Type
AC Servo Motor
Mounting Type
B35 (Flange and Foot Mounted)
Protection Class
IP65
Rated Current
148 A
Rated Power
55 kW
Rated Speed
3000 rpm
Rated Voltage
400 V
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Frequently Asked Questions about 2AD180C-B35RA3-BS23-B3N1:

Q: Why is the radial blower cooling method used in this motor design?

A: The radial blower enables efficient heat dissipation by directing airflow over critical components. This cooling method enhances longevity and supports high-load operations without overheating.

Q: How does the 70-minute thermal time constant benefit the 2AD180C-B35RA3-BS23-B3N1 servo motor?

A: A longer thermal time constant allows the motor to handle prolonged periods of thermal stress. It contributes to more stable performance under fluctuating load conditions.

Q: What advantage does the plain shaft with a sealing ring offer in the 2AD180C-B35RA3-BS23-B3N1?

A: The sealed plain shaft minimizes contamination from dust and moisture. This enhances durability and reduces maintenance frequency in harsh environments.

Q: How does the electrical release brake improve the motor's operational safety?

A: It ensures the brake is always engaged when power is off, preventing unintentional motion. This feature is vital in vertical or safety-critical systems.

Q: Why is high-resolution feedback important in the 2AD180C-B35RA3-BS23-B3N1 servo motor?

A: It enables precise control of position and speed. This is essential for applications requiring tight tolerances and dynamic movement.


Internal Product Review

  • ‘‘The Bosch 2AD180C‑B35RA3‑BS23‑B3N1 servo motor is a high-performance industrial drive designed for demanding automation tasks. It delivers 52 kW of continuous power, 331 Nm torque, and top speed of 6000 rpm with precision encoder feedback. It’s widely used in CNC spindles, vertical lifting axes, and high-speed machining centers.’’

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