8LSA44.DB045D300-3

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The 8LSA44.DB045D300-3 motor, part of B & R Automation's 8LS Synchronous Motors series, operates with a rated power of 3.5 kW and uses natural convection for cooling. It features a peak torque of 38.5 Nm and a rated speed of 3000 rpm. Equipped with an absolute encoder, it boasts an IP65 protection class.

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Product Description:

B&R Automation has made the 8LSA44.DB045D300-3 servo motor which is specifically engineered for precise motion control applications. The motor is designed to operate efficiently, with a stable torque output and integrated brake functionality. It is employed in systems that necessitate consistent rotation speed and torque under rated conditions.

The 8LSA44.DB045D300-3 servo motor can work at a rated speed of 4500 rpm and a rated voltage of 400 V. The maximum current of 5.5 A is the same as the current rating of 3.3 A. The maximum torque of the motor is 3.6 Nm, and it can go up to 6 Nm when there are short-term loads. Since the brake system is built in and runs on 24 V DC, it can be stopped safely if the power goes out. At a temperature of 40 degrees C, the insulation system can still work thermally and is classed as Class F. With an IP64 rating, the motor will be safe from water coming from any way and dust getting in. The motor can work with motion control systems in industrial automation because it meets these requirements. The servo is used in devices that need to position things repeatedly. When the control and construction standards are combined, the torque delivery and dynamic response are always the same.

With an insulation system that meets Class F standards, the 8LSA44.DB045D300-3 servo motor is safe to use. The brake keeps the shaft's power when it is needed because it works at 24 V DC. The motor is used when it is important to keep power and speed under control. With a brake force of 8 Nm, the mechanical qualities of the motor decide how quickly the unit slows down.

Cooling Type
Self-cooled (natural convection)
Encoder Type
Absolute Encoder
Flange Size
115 mm
Peak Torque
38.5 Nm
Protection Class
IP65
Rated Current
3.3 A
Rated Power
3.5 kW
Rated Speed
3000 rpm
Rated Speed
4500 rpm
Rated Torque
11.2 Nm
Rated Voltage
400 V
Rated Voltage
400 V
Shaft Diameter
24 mm

Frequently Asked Questions about 8LSA44.DB045D300-3:

Q: How does the 8LSA44.DB045D300-3 motor benefit from a peak torque of 6 Nm?

A: The 6 Nm peak torque allows short bursts of high load capacity that support fast dynamic acceleration and deceleration cycles.

Q: Why is the 8LSA44.DB045D300-3 servo motor rated at 400 V supply?

A: The 400 V supply rating provides efficient power transmission that supports stable torque and rotational speed with minimal power loss during operation.

Q: Does the 8LSA44.DB045D300-3 motor operate efficiently with a rated current of 3.3 A?

A: Yes, 3.3 A rated current ensures the motor maintains stable performance without overheating during continuous duty cycles under normal conditions.

Q: How does IP64 protection improve the performance of 8LSA44.DB045D300-3 motor?

A: The IP64 ensures protection from dust ingress and water spray that helps maintain internal component integrity during active system operation.

Q: Why is the insulation class F important in 8LSA44.DB045D300-3 motor?

A: Class F insulation allows the motor to tolerate higher temperatures that support longer operational life and reduced thermal degradation.


Internal Product Review

  • ‘‘The 8LSA44.DB045D300-3 is a servo motor engineered for precise motion and braking. It includes Class F insulation, IP64 rating, 3.6 Nm rated torque, and 5.5 A peak current. The B&R's motor is primarily used in packaging machines where speed consistency and braking torque are essential.’’

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