8LVA33.R0021D000-0 B & R Automation
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The 8LVA33.R0021D000-0 is a synchronous motor designed by B & R Automation as part of the 8LVA Three Phase Synchronous Motors series. This motor features a nominal speed of 2100 rpm, a resolver encoder system, and is self-cooled. It uses a built-in double angular swivel connector and has separated encoder and power cable interfaces.
Internal Product Review
The 8LVA33.R0021D000-0 is an 8LV servo motor with self-cooling and a resolver feedback system. Separated encoder and power connections plus a built-in double angular swivel connector support clean cabling and straightforward installation. Accurate 10 angular minute feedback makes this motor a strong choice for controlled motion applications.
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Product Description:
The 8LVA33.R0021D000-0 is a three-phase synchronous motor produced by B&R Automation for the 8LVA Three Phase Synchronous Motors series. It is installed wherever a servo axis needs tightly regulated rotation, transforming the drive’s sinusoidal current into predictable mechanical motion for pick-and-place modules, feeders, or indexing tables. Direct compatibility with the manufacturer’s servo inverters allows the motor to close its feedback loop through an integrated resolver while maintaining a compact installation footprint.
The positioning error is limited to 10 angular minutes, so repeatable placement of loads remains within a narrow tolerance band. The separate encoder and power connections provide distinct wiring paths, reducing electromagnetic interference between high-current phases and low-level feedback signals. A built-in double angular swivel connector simplifies cable routing in tight spaces and lets the harness exit at different angles without requiring changes to the strain relief. Heat generated in the stator is removed through self-cooling, eliminating the need for external fans or liquid circuits. During continuous operation, the rotor can reach 2100 rpm, supporting mid-speed automation tasks while remaining below the critical limits of the bearing set. The motor has a frame size of 3, and stack length code 3 increases the amount of active iron available for continuous torque. Because the motor does not have a holding brake or an oil seal, external locking or sealing methods may be necessary for vertical loads or contaminated operating areas.
The feedback device is an RE-15-1-J04 resolver, allowing analog sine-cosine signals to report shaft position over the full revolution. Torque is transmitted through a smooth shaft, so couplings must rely on friction or clamping hubs instead of keys. The encoder system uses a resolver, which tolerates high temperatures and vibration better than an optical encoder. The motor belongs to the 8LV Servo Motor product family, which uses shared mechanical dimensions and connector pinouts across the platform.
