8LVA23.R0030D300-0
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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.
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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.
Frequently Asked Questions about 8LVA23.R0030D300-0:
Q: What type of shaft end does the 8LVA23.R0030D300-0 motor have?
A: This model uses a keyed shaft for secure mechanical coupling of components.
Q: What is the maximum torque produced by the 8LVA23.R0030D300-0 synchronous motor?
A: The maximum torque output of this motor is 4 Nm, providing strong rotational force for demanding applications.
Q: What type of encoder system is integrated in the 8LVA23.R0030D300-0 motor?
A: A resolver model RE-15-1-J04 is used as the encoder system for feedback.
Q: What is the holding brake torque for the 8LVA23.R0030D300-0?
A: The holding brake on this model delivers a torque of 2.2 Nm, helping to secure the shaft when the motor is not powered.
Q: How is the 8LVA23.R0030D300-0 motor cooled during operation?
A: This motor features a self-cooling system, which dissipates heat without external fans or liquid cooling.
