Product Description:

The R43HEBA-TS-NS-NV-00 is a servo motor manufactured by Pacific Scientific within the R Servomotors series. It is intended for precision velocity and position control in industrial automation, where its electromechanical characteristics allow direct coupling to gearboxes, timing belts, or loads that demand repeatable dynamic response. Its standard housing style and English bolt pattern support installation on machinery that uses inch-based mounting layouts, and no secondary feedback device is fitted when only the primary feedback channel is required.

Mechanically, the motor supplies a continuous stall torque of 3.9 Nm, letting an axis hold load without overheating during static positioning. During acceleration, it can reach a peak torque of 10.4 Nm, giving the drive reserve headroom for rapid indexing. A rated speed of 3700 rpm matches the high-speed winding to low-reduction transmissions so that a wide speed range is possible from a single stage. Rotor inertia is limited to 0.22 × 10⁻³ kg·m², which improves responsiveness because less energy is required to reverse direction. The square frame measures 4.25" on each side, a common envelope that fits NEMA size 42 mounting patterns. A 100 V DC brake is integrated for vertical axes or emergency stops; the brake clamps the shaft when power is removed and is released electrically during normal operation.

The motor uses rare-earth samarium cobalt magnets, and the stack length is three inches, which provides a balance between torque density and thermal mass. Electrical feedback for the drive is provided by a Tachsyn transducer, giving simultaneous tachometer and resolver signals for analog or digital control loops. The windings are classified as High Speed, allowing full rated output at the specified voltage. The shaft has no shaft seal, so the shaft exit should be kept away from coolant spray or abrasive dust.