Product Description:

The Pma53q-0100-00 is a brushless servo motor built by Pacific Scientific for the PMA Brushless Motors series. The model converts controlled three-phase current from a drive into rotary motion, allowing precise load positioning and speed regulation on conveyors, pick-and-place arms, and other automated axes. The motor’s electromechanical design supports medium to high torque demands while maintaining compact dimensions suitable for mounting in industrial automation cells. The unit serves as the primary torque source within closed-loop motion systems, translating drive commands into precise shaft movement.

During operation, the motor can hold a continuous stall torque of 10.5 Nm without exceeding the winding temperature limits, allowing it to resist a sustained static load. When rapid acceleration is needed, the electromagnetic structure supports a peak torque of 31.0 Nm, providing temporary reserve torque for inertial starts. The square housing measures 142 mm across each side, establishing the bolt spacing for gearboxes or direct machine mounts. A rotor inertia of 1.92 × 10⁻³ kg·m² balances quick response with damping and simplifies servo tuning. Power is transmitted through a smooth shaft, so couplings must rely on friction or clamping rather than keys.

A factory-installed 24 V holding brake engages automatically when its supply is removed, holding the shaft in position on vertical or safety-critical axes. The magnetic stack length index of 3 increases the active lamination depth, enabling higher continuous torque without enlarging the frame size. The motor has an overall mass of 11.0 kg, which must be considered when sizing support bearings, mounting plates, or slide rails. Its compact square housing permits installation where available mounting space is limited, while the brake helps prevent unintended shaft movement after drive power has been removed.