8LSA57.DB030S300-3

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The 8LSA57.DB030S300-3 servo motor from B & R Automation is part of the 8LS Synchronous Motors series, featuring a frame size of 57 mm. It delivers a rated power of 3 kW, a rated torque of 9.55 Nm, and operates at a rated speed of 3000 rpm. Equipped with a resolver for feedback, it boasts IP65 protection.

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Product Description:

For industrial automation applications requiring high-end performance, the 8LSA57.DB030S300-3 is an exceptionally well-designed servo motor from B&R Automation.

Featuring a frame size of 57 mm and a robust flange size of 130 mm, the motor is likewise small, making it fit for applications where space is less of a concern but durability and motor capability are essential. The motor produces 3 kW of power and operates at a nominal voltage of 400 V. Boasting a stated torque of 9.55 Nm and an ideal speed of 3000 rpm, it is flexible, efficient, and performs steadily in high torque applications that need reliable speed control, making it perfect for a range of industrial operations. Because the 8LSA57.DB030S300-3 contains a resolver feedback mechanism that provides precise position control, and it can also operate in challenging industrial conditions. Its self-cooling (natural convection) architecture makes it suitable for locations where forced cooling is impractical. Its four-pole pair motor facilitates steady, smooth spinning at the stated speed.

Applications that require a lot of torque during startup or holding can benefit from its strong torque performance at zero speed and stall torque of up to 20 Nm. To ensure the motor's long-term operating dependability in industrial applications, it is additionally IP65 certified against dust and water intrusion. It has an angled connection on a single wire multiturn resolver solution with a terminal box installed on top, which makes wiring easier and takes up less installation space. Standard couplings and mechanical interfaces may be used since the shaft-end is made following DIN 748 requirements and takes both keyed and smooth shafts under DIN 6885-1.

Connection Type
Connector
Cooling
Self-cooled (natural convection)
Feedback Device
Resolver
Flange Size
130 mm
Frame Size
57 mm
Motor Type
Servo Motor
Number of Pole Pairs
4 pole pairs
Protection Class
IP65
Rated Power
3 kW
Rated Speed
3000 rpm
Rated Torque
9.55 Nm
Rated Voltage
400 V
Shaft End Standard
DIN748 keyed or smooth shaft per DIN6885‑1
Stall Torque
20Nm
Terminal Box & Connection Style
Terminal box on top with single‑cable multiturn resolver solution (angled connector)

Frequently Asked Questions about 8LSA57.DB030S300-3:

Q: What type of feedback does the 8LSA57.DB030S300-3 servo motor use?

A: It uses a resolver feedback system, which ensures precise and reliable position control in demanding industrial applications.

Q: What cooling method is used in the 8LSA57.DB030S300-3?

A: The motor is self-cooled through natural convection, making it ideal for environments where forced cooling is not practical.

Q: Is the 8LSA57.DB030S300-3 motor suitable for use in harsh environments?

A: Yes, it has an IP65 protection rating, making it resistant to dust and water ingress and suitable for rugged industrial conditions.

Q: What mounting and connectivity features does the 8LSA57.DB030S300-3 offer?

A: It includes a top-mounted terminal box, angled connector, and supports standard shaft couplings for simplified wiring and flexible installation.

Q: Can the 8LSA57.DB030S300-3 delivers torque at zero speed?

A: Yes, it is capable of delivering high stall torque, making it effective in applications that require strong holding force or startup torque.


Internal Product Review

  • ‘‘The 8LSA57.DB030S300-3 is a reliable and compact servo motor built for high-end industrial automation. Its sturdy design, flexible mounting, and feedback capabilities make it a versatile choice for performance-critical control systems.’’

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