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8LSA43.E3045D000-0 B & R Automation

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Internal Product Review

The 8LSA43.E3045D000-0 is a B & R Automation three-phase synchronous motor with a well-balanced design for precise industrial motion. Self-cooling through free circulation and an angled swivel connector support dependable thermal performance and straightforward machine integration. Rated speed of 4500 rpm gives the motor strong motion capability for demanding automation axes.

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Product Description:

The 8LSA43.E3045D000-0 is a three-phase synchronous servo motor manufactured by B&R Automation for the 8LS Synchronous Motors series. Delivered under the internal designation 8LSA with length code 3, the unit serves as a compact rotary actuator for positioning and velocity control in automated assembly cells, conveyors, and packaging lines. When paired with a compatible drive module, it converts electrical energy into precisely controlled motion for industrial applications that require consistent cycle times and repeatable movement. Its permanent-magnet rotor follows the rotating stator field without slip, supporting accurate speed regulation when the mechanical load changes.

The motor reaches a rated speed of 4500 rpm, enabling rapid traverses while supporting fine incremental moves. A self-cooling design with free air circulation removes heat through natural airflow, so an auxiliary fan is unnecessary under suitable operating conditions. The mounting interface uses a 100 mm flange, allowing the motor to fit compatible machine structures and coupling arrangements. Power and feedback cables exit through an angled swivel connection, which reduces cable-bending stress when clearance behind the machine frame is limited. The connection can be oriented to simplify cable routing without forcing conductors into tight bends near the motor housing. The motor can provide controlled torque across positioning, acceleration, and constant-speed operating phases when used with an appropriately configured servo drive.

The motor has no holding brake, so an external locking mechanism is required when a vertical load must remain stationary after drive power is removed. Its smooth shaft supports low-backlash connections through clamping hubs or shrink discs rather than keyed couplings. The motor uses standard bearings without reinforcement, making it suitable for moderate radial loads instead of heavy belt-driven applications. An oil seal is not fitted at the output end, so equipment exposed to dust, coolant, or lubricant should include an external sealing arrangement that protects the bearing area. Proper shaft alignment helps prevent excessive bearing loads and supports stable operation when the motor is connected directly to a gearbox, pulley, or machine coupling.

Configuration Summary
8LSA: Standard, no reinforced bearing
Connection direction
Angled (swivel)
Connection Hardware
Connector
Cooling Principle
Self-cooling, free circulation
Designation
8LSA
Flange Dimension
100 (mm)
Holding Brake
Not Present
Length Code
3
Motor Type
Three-phase synchronous
Mounting Availability
Mounting flange
Oil Seal
Not Present
Rated Speed
4500 (rpm)
Shaft End
Smooth shaft

Frequently Asked Questions about 8LSA43.E3045D000-0:

Q: What type of electrical connection does the 8LSA43.E3045D000-0 motor use?

A: The 8LSA43.E3045D000-0 synchronous motor uses an angled (swivel) connector for its electrical connection.

Q: How is the 8LSA43.E3045D000-0 motor cooled?

A: This model is self-cooled with free circulation, requiring no additional external cooling equipment.

Q: What kind of shaft end does the 8LSA43.E3045D000-0 motor have?

A: The 8LSA43.E3045D000-0 is equipped with a smooth shaft end, not a keyed or splined shaft.

Q: What is the rated speed of the 8LSA43.E3045D000-0 motor?

A: The rated speed for the 8LSA43.E3045D000-0 synchronous motor is 4500 rpm.

Q: Does the 8LSA43.E3045D000-0 motor have a holding brake?

A: This motor is manufactured without a holding brake.

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