8LSA55.E3045D000-0

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The B & R Automation 8LSA55.E3045D000-0 motor, part of the 8LS Synchronous Motors series, has a flange size of 55 mm and operates with natural convection cooling. It delivers a rated power of 300 W, a rated speed of 4500 rpm, and a rated torque of 9.5 Nm. Equipped with a multi-turn absolute encoder.

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Product Description:

The 8LSA55.E3045D000-0 is a high performance motor engineered for precision control of velocity and torque in automated machinery. Its reinforced rotor design prevents deflection under peak torque conditions, ensuring mechanical stability and consistent motion output even during demanding load changes. This makes the motor a dependable option in high-speed manufacturing lines and motion-centric equipment that operate with tight synchronization. With its ability to maintain control accuracy under dynamic mechanical stress, the motor integrates seamlessly into applications that require both durable performance under continuous duty cycles.

The 8LSA55.E3045D000-0 motor is optimized to maintain a constant velocity of 4500 rpm under rated load. The high nominal speed enables the motor to deliver rapid rotational output, making it well-suited for tasks that demand high throughput. The motor delivers 9.5 Nm continuous torque at its rated speed, providing consistent force output for driving mechanical loads in automated applications. It has a rated current of 8.7 A, which contributes to efficient energy consumption and thermal stability. The motor can adjust its performance to meet the needs of various applications. It can offer speeds of up to 9000 rpm depending on system demands, allowing peak performance in dynamic tasks.

The 8LSA55.E3045D000-0 motor has a torque constant of 1.09 Nm/A, indicating that it can deliver substantial torque even at lower currents. This helps to reduce overall power consumption, enhancing sustainability especially in systems that require long continuous operation hours. This motor does not require additional cooling infrastructure since it is designed to self-cool during operation. This minimizes the need for maintenance, ensuring efficient thermal management through natural air cooling.

Cooling Method
Natural convection
Encoder Type
Multi-turn absolute encoder
Flange Size
55 mm
Peak Current
47.3 A
Peak Torque
41.4 Nm
Protection Class
IP65
Rated Current
8.7 A
Rated Power
300 W
Rated Speed
4500 rpm
Rated Torque
9.5 Nm
Rated Voltage
320 V

Frequently Asked Questions about 8LSA55.E3045D000-0:

Q: Does the 8LSA55.E3045D000-0 motor feature a self-cooling system?

A: Yes, the 8LSA55.E3045D000-0 comes with a self-cooling design that disperses heat through its housing, reducing the need for external cooling components.

Q: What is the nominal torque of the 8LSA55.E3045D000-0 motor?

A: The 8LSA55.E3045D000-0 motor delivers a nominal torque of 9.5 Nm, enabling stable performance during continuous-duty operations.

Q: What is the nominal speed of the 8LSA55.E3045D000-0 motor?

A: The 8LSA55.E3045D000-0 has a nominal speed of 4500 rpm, allowing it to operate efficiently in high-speed automation tasks without compromising torque control or accuracy.

Q: What is the maximum speed rating of the 8LSA55.E3045D000-0 motor?

A: The 8LSA55.E3045D000-0 supports a maximum speed of 9000 rpm, making it suitable for dynamic industrial environments requiring rapid motion sequences.

Q: What is the torque constant of the 8LSA55.E3045D000-0 motor?

A: The 8LSA55.E3045D000-0 has a torque constant of 1.09 Nm/A, ensuring efficient torque generation with low energy loss.


Internal Product Review

  • ‘‘The 8LSA55.E3045D000-0 delivers smooth, accurate motion with minimal noise and excellent stability even at high speeds. However, its limited cooling scalability might not suit extreme thermal environments.’’

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