8LSA25.R0060D300-3 B & R Automation
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The B & R Automation 8LSA25.R0060D300-3 is a three-phase synchronous motor in the 8LS Synchronous Motors series. It features a self-cooling design with free air circulation and a flange dimension of 58 mm. The motor uses a resolver for encoder technology and includes a standard holding brake.
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Product Description:
The 8LSA25.R0060D300-3 is a rotary motor produced by B&R Automation for the 8LS Synchronous Motors series. It is engineered as a three-phase permanent-magnet unit that delivers controlled torque and speed to axes in packaging, printing, and assembly equipment used in industrial automation. The model follows the standard 8LSA configuration without reinforced bearings and attaches through a mounting flange for direct coupling to gearboxes or driven shafts. This arrangement supports compact installation where the motor must align closely with the connected machine components.
As a three-phase synchronous machine, its stator currents remain synchronized with the rotor magnets to produce steady electromagnetic torque. The rated speed of 6000 rpm supports rapid indexing cycles while keeping mechanical stress within the intended operating limits. A flange dimension of 58 mm provides the pilot diameter that centers the housing on the mounting surface, while length code 5 indicates the active stack height used for the required power density. Position feedback is handled by a resolver, which produces sine-cosine signals that tolerate electrical noise and temperature changes. Heat is removed through self-cooling with free air circulation, eliminating the need for external blowers or liquid cooling circuits. Adequate clearance around the housing allows ambient air to carry heat away during operation.
Electrical and mechanical connections are arranged around an angled swivel connector assembly that can be rotated to clear adjacent components. A standard holding brake arrests the shaft when power is removed, preventing load drift on vertical axes or other applications that require stationary load retention. The motor contributes no more than 10 arcmin of backlash, making it suitable for applications with moderate positioning accuracy requirements. Product revision 3 indicates the applicable design level for this motor. Because the motor does not have an oil seal, its keyed shaft should operate in a dry environment where liquids and contaminants cannot enter the bearing area. The standard bearings help keep rotor inertia low, supporting quick acceleration during repetitive machine cycles.
