8LVA23.R0030D300-0 B & R Automation
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The B & R Automation 8LVA23.R0030D300-0 is a three phase synchronous motor in the 8LVA series, featuring a nominal speed of 3000 rpm and a nominal torque of 1.3 Nm. It has a maximum current of 20.7 A, a keyed shaft end, and uses a resolver encoder system. This motor includes a holding brake with a torque of 2.2 Nm and supports separated encoder and power cables with a built-in double angular swivel connector.
Internal Product Review
The 8LVA23.R0030D300-0 is a self-cooling three-phase synchronous motor from B & R Automation, designed with a built-in double angular connector for flexible installation. Featuring a resolver-based encoder system and a holding brake with 2.2 Nm torque, this motor delivers reliable position control. Its nominal speed of 3000 rpm and maximum torque of 4 Nm make it a strong choice for demanding automation applications.
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Product Description:
The 8LVA23.R0030D300-0 three-phase synchronous motor is produced by B & R Automation within the 8LVA Three Phase Synchronous Motors series, which is also classified under the 8LV Servo Motor product series. Designed for compact axes in packaging, handling, and general motion systems, the unit relies on self-cooling airflow to remove heat and weighs 1.45 kg without its integral brake. A resolver feedback device, type RE-15-1-J04, supplies position data with 10 angular minutes of accuracy, while a built-in double angular swivel connector carries separated paths for encoder and power cabling to simplify routing. Mechanical output is provided through a keyed shaft.
At its continuous operating point the motor delivers 1.3 Nm of torque at 3000 rpm, drawing 5.8 A from the inverter. The electromagnetic circuit presents a stator inductance of 2 mH and a stator resistance of 0.83 ohm, parameters that set the electrical time constants and copper losses. Stall torque is 1.35 Nm, so the rated point lies slightly below magnetic saturation and leaves margin for transient loading. The voltage constant of 13.61 V/1000 rpm aligns with the back-EMF expected at nominal speed.
For brief overloads the motor can reach 4 Nm while the drive may supply up to 20.7 A, after which thermal limits are governed by the self-cooling design. An integrated holding brake develops 2.2 Nm to secure vertical axes when power is removed, and the torque constant of 0.23 Nm/A links current commands to produced torque for controller tuning. The 0.26 kg·cm² rotor inertia, combined with motor size 2 and length code 3, yields fast acceleration with moderate load matching requirements. The absence of an oil seal reduces drag, and the keyed shaft end supports rigid coupling to gearheads or pulleys.
