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8LSA55.E3030D000-1 B & R Automation

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Internal Product Review

The 8LSA55.E3030D000-1 is a B & R Automation three-phase synchronous motor with self-cooling through free circulation. Angled connection routing and a smooth shaft simplify electrical hookup and mechanical integration. A rated speed of 3000 rpm makes this motor a strong choice for responsive motion applications.

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Product Description:

The 8LSA55.E3030D000-1 is a rotary servo motor manufactured by B&R Automation for the 8LS Synchronous Motors series. Positioned within the standard 8LSA configuration, the unit delivers closed-loop torque and speed for packaging lines, assembly robots, and indexing tables. It occupies the midsized 55 frame group and converts electrical power into controlled mechanical motion in industrial automation settings. Airflow across the finned surfaces regulates the motor’s temperature, allowing integration without auxiliary cooling equipment while keeping the machine layout simple.

The rated output speed reaches 3000 rpm, enabling rapid indexing without surpassing the magnetic limits of the stator. Because the motor uses a three-phase synchronous design, the rotor position remains locked to the electrical angle supplied by the drive, supporting precise positioning cycles. Heat generated during acceleration is removed by self-cooling with free air circulation, which relies solely on ambient air. The mounting interface uses a 142 mm square flange that fits compatible gearboxes and linear modules. The overall housing depth corresponds to length code 5, providing additional winding volume for increased continuous torque without changing the frame width.

Power and feedback conductors exit through an angled swivel housing that limits cable bend stress inside compact machines. A keyed connector interface allows the cable harness to be disconnected without disassembling the stator. The precision-ground smooth shaft transfers torque to couplings or pulleys while avoiding stress concentrations associated with keyways. External clamping or a mechanical lock must secure vertical axes because the motor is supplied without a holding brake. This configuration reduces rotor inertia and eliminates residual brake drag during operation. The lack of an oil seal requires the front bearing to be shielded from direct coolant or lubricant spray. Suitable guarding around the shaft opening can help prevent process fluids and airborne contaminants from reaching the exposed bearing area.

Configuration Summary
8LSA: Standard, no reinforced bearing
Connection direction
Angled (swivel)
Connection Hardware
Connector
Cooling Principle
Self-cooling, free circulation
Designation
8LSA
Flange Dimension
142 (mm)
Holding Brake
Not Present
Length Code
5
Motor Type
Three-phase synchronous
Mounting Availability
Mounting flange
Oil Seal
Not Present
Rated Speed
3000 (rpm)
Shaft End
Smooth shaft

Frequently Asked Questions about 8LSA55.E3030D000-1:

Q: What type of connection direction is used for the 8LSA55.E3030D000-1 motor?

A: The 8LSA55.E3030D000-1 motor uses an angled (swivel) connector for its connection direction.

Q: How is the 8LSA55.E3030D000-1 motor cooled during operation?

A: This model features self-cooling with free circulation to maintain its operating temperature.

Q: What type of shaft end does the 8LSA55.E3030D000-1 have?

A: The shaft end of the 8LSA55.E3030D000-1 is smooth, allowing for straightforward mechanical coupling.

Q: Is a holding brake present on the 8LSA55.E3030D000-1 motor?

A: There is no holding brake included with this motor model.

Q: What is the flange dimension of the 8LSA55.E3030D000-1 motor?

A: The 8LSA55.E3030D000-1 has a flange dimension of 142 mm for mounting purposes.

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