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8LSA25.D9060S300-3 B & R Automation

The B & R Automation 8LSA25.D9060S300-3 is a three-phase synchronous motor from the 8LS Synchronous Motors series. It features a flange dimension of 58 mm and a rated speed of 6000 rpm, delivering a nominal power of 327 W with a nominal torque of 0.52 Nm. This model includes an inductive EnDat encoder, supports a single-cable hybrid connection, and is equipped with a standard holding brake providing 2.2 Nm holding torque.

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Internal Product Review

The 8LSA25.D9060S300-3 is a B & R Automation three-phase synchronous motor with self-cooling free circulation and a single-cable hybrid connection. Inductive EnDat 2.2 feedback and multi-turn capability support accurate position data and dependable motion control. A rated speed of 6000 rpm gives the motor especially appealing dynamic performance.

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Product Description:

The 8LSA25.D9060S300-3 is a three-phase synchronous motor built by B&R Automation for the 8LS Synchronous Motors series. Its 8LSA configuration omits reinforced bearings yet supports compact drive axes that need precise closed-loop speed and position control. Designed for flange mounting, the unit integrates easily with lightweight pick-and-place heads, labeling stations, and similar automation equipment that operates with limited available power.

The rated speed reaches 6000 rpm, and at that speed the motor delivers continuous power of 327 W. Peak load events can be handled with a maximum torque of 2.4 Nm, while the winding can absorb up to 3.7 A of current before control limits take effect. The stator inductance of 49.6 mH works with a stator resistance of 34.63 Ω to influence current rise time and drive tuning. Continuous operation typically draws 0.71 A and produces 0.52 Nm, whereas the stall torque is 0.6 Nm for initial breakaway. Four pole pairs interact with a voltage constant of 43.98 V/1000 rpm to synchronize motion, and a rotor inertia of 0.16 kg cm² supports fast acceleration without placing excessive load on the gearing.

Electrical feedback is provided by an inductive EnDat 2.2 encoder with 19/12 bits of single-turn and multi-turn resolution, respectively; its multi-turn counter tracks 4,096 revolutions. The brake clamps the shaft with 2.2 Nm of holding torque. The torque constant is 0.73 Nm/A, allowing the controller to predict force from the measured current. A single hybrid cable combines the power and encoder lines in one connector, while the 58 mm flange, length code 5, and keyed shaft simplify installation. The motor uses self-cooling through free air circulation and carries product revision 3. It is supplied without an oil seal and comes in the standard 8LSA form with mounting hardware.

Configuration Summary
8LSA: Standard, no reinforced bearing
Connection direction
Single-cable solution (hybrid)
Connection Hardware
Connector
Cooling Principle
Self-cooling, free circulation
Designation
8LSA
Encoder Technology
Inductive EnDat
EnDat Version
2.2
Flange Dimension
58 (mm)
Holding Brake
Standard holding brake
Holding Torque Of Brake
2.2 Nm
Length Code
5
Maximum Current
3.7 A
Maximum Torque
2.4 Nm
Moment Of Inertia
0.16 kgcm²
Motor Type
Three-phase synchronous
Mounting Availability
Mounting flange
Nominal Current
0.71 A
Nominal Power
327 W
Nominal Torque
0.52 Nm
Number Of Pole Pairs
4
Oil Seal
Not Present
Product Revision
3
Rated Speed
6000 (rpm)
Resolution
19/12 (Single/Multi-turn bits)
Shaft End
With key
Stall Torque
0.6 Nm
Stator Inductance
49.6 mH
Stator Resistance
34.63 Ω
Torque Constant
0.73 Nm/A
Turn Capability
Multi-turn (4096 revs)
Voltage Constant
43.98 V/1000 rpm

Frequently Asked Questions about 8LSA25.D9060S300-3:

Q: What type of connection does the 8LSA25.D9060S300-3 motor utilize?

A: The 8LSA25.D9060S300-3 uses B&R's single-cable hybrid connection for simplified installation.

Q: Does the 8LSA25.D9060S300-3 motor have a holding brake, and what is its holding torque?

A: This model includes a standard holding brake with a holding torque of 2.2 Nm.

Q: What type of encoder technology is used on the 8LSA25.D9060S300-3 motor?

A: The encoder technology for this motor is Inductive EnDat version 2.2.

Q: How is the 8LSA25.D9060S300-3 motor cooled during operation?

A: The motor is self-cooled with a free circulation cooling principle.

Q: What is the rated speed of the 8LSA25.D9060S300-3 synchronous motor?

A: The 8LSA25.D9060S300-3 provides a rated speed of 6000 rpm for demanding motion tasks.

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