8LVA33.R0021D000-0
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The B & R Automation 8LVA33.R0021D000-0 motor is part of the 8LVA Three Phase Synchronous Motors series and features a wirewound resistor design. It operates within a temperature range of -55 °C to +170 °C and has an insulation resistance of ≥10 GΩ. The motor is flame retardant and RoHS compliant.
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Product Description:
B&R Automation 8LVA33.R0021D000-0 Motor has a good potential to deliver high performance because of its high torque capability and rotational inertia and also, as a result of its high thermal time constant of 34 minutes, it performs well under long load conditions.
The 8LVA33.R0021D000-0 motor spins at 2100 revs/mint which is relatively moderate and is suitable for applications requiring smooth and controlled motion rather than extremely high speed. Its rotor and stator interact through electromagnetic poles and it comes with four poles which makes it able to generate torque efficiently and maintain stable operation. It is able to provide uninterrupted rotating force to a maximum of 2.450 newton meters that provides the motor the power to withstand moderate mechanical pressures in a stable steady manner. It has a continuous rated power supply of 539 W and operates on standard flow of electric current of up to 7.300 amperes when operating at its nominal operating point implying that it is not a light drive motor but one that requires a fairly strong electrical supply. The recommended thickness of the wires connected to the motor is 0.75 square millimeters and its connector port has a size of 10 which implies a compact, possibly metric-sized connector used to interface with external control electronics or power systems.
This 8LVA33.R0021D000-0 motor has an electromagnetic reaction delay of 4 sec which implies that it responds fast to changes in control signal and has a resolver as position feedback device that is able to measure angular position with high reliability and especially under harsh conditions. It has a built in dual angle connector that pivots to give flexible routing of the cable, which assists in tight locations or situations where the motor must be mounted in a variety of directions.
Frequently Asked Questions about 8LVA33.R0021D000-0:
Q: How does the high thermal time constant benefit the 8LVA33.R0021D000-0 during continuous use?
A: A 34-minute thermal constant helps the motor resist overheating during extended operation. This ensures stable performance and reduces the need for frequent cooling interventions.
Q: Why is the resolver used instead of an encoder in the 8LVA33.R0021D000-0 servo motor?
A: Resolvers perform well in dirty, high-vibration environments, making them more durable than optical encoders. They offer consistent feedback accuracy even in extreme industrial conditions.
Q: What is the advantage of having a four-pole pair design in this motor?
A: The four-pole design provides a good balance between speed and torque generation. It ensures smoother rotation and better control in mid-speed automation tasks.
Q: How does the 0.9500 kg·cm² inertia improve performance in the 8LVA33.R0021D000-0 motor?
A: Moderate inertia helps reduce vibrations and ensures smoother acceleration/deceleration. It supports better control in precision movements without overshooting or instability.
Q: Why is a swivel connector useful in the 8LVA33.R0021D000-0 motor installation?
A: The built-in pivoting connector simplifies wiring in tight enclosures or irregular mountings. It reduces cable strain and improves accessibility for maintenance.
