8JSA73.R0024D100-0 by B & R Automation

The 8JSA73.R0024D100-0 is a synchronous servo motor manufactured by B & R Automation for the 8JS Synchronous Motors series. As an 8JS series synchronous motor, it provides programmable rotary motion that can be coordinated with drive electronics to position tooling, feed material, or track conveyor sections inside automated machinery. When paired with a compatible servo drive, it converts commanded electrical input into controlled shaft rotation for indexing, synchronized transport, and positioning tasks. This makes it suitable for automated equipment that depends on repeatable motion rather than simple constant-speed operation.

The power and feedback conductors exit through an angled swivel connector, so wiring can be routed in tight enclosures without excessive bend radius. This cable exit style also helps reduce strain where the motor is installed close to guarding or machine plates. Heat is removed by self-cooling, which means no external fan or liquid circuit is required. Rotor position is measured by a resolver, and the sensor maintains an accuracy window of 10 angular minutes for stable velocity and position loops. The motor delivers its rated output at 2400 rpm, which suits axes that need moderate speed with high repeatability. Mechanical attachment uses flange mounting, allowing direct coupling to gearboxes or machine frames while keeping the stator concentric with the shaft.

The unit is supplied without a holding brake, so the application must rely on drive torque or an external clamp to maintain position when power is removed. Because there is also no oil seal, the shaft area is better suited to clean installation zones than to oil-flooded gearheads. The frame is identified as size 7, and the active stack is listed as length 3, giving the motor a compact profile for mid-torque ranges. A keyed shaft is supplied for torque transfer to pulleys or couplings, helping prevent slip under load.