Product Description:

Pacific Scientific’s PMB33C-10101-00 belongs to the PMB Brushless Servomotors series and operates as a permanent-magnet servo unit for motion platforms that demand rapid, closed-loop control. The motor serves as the electromechanical interface between a drive amplifier and the load, converting commanded current into shaft torque for indexing tables, packaging axes, or light material-handling gantries, which is important in systems that need repeatable acceleration and deceleration. Its construction supports continuous duty while minimizing inertia, allowing fast response to command changes during frequent starts, stops, and short positioning moves without exceeding the thermal limits of typical control cabinets.

With a frame size of NEMA Size 34, the housing lines up with the 3.4-inch square bolt pattern commonly found on stepper and servo stages, so retrofits require no drilling and remain mechanically straightforward. The armature can hold 3.8 ARMS at stall when energized from 240 VAC, giving the control system a clear boundary for thermal and overcurrent protection during stalled or low-speed operation. Rotor orientation is detected by an embedded Hall sensor, providing six electrical edge transitions per revolution for straightforward trapezoidal commutation. Phase conductors leave the stator as flying leads with AMP connectors, which eliminates panel-mount receptacles and shortens assembly time. A stack length multiple of 3 means that three stator lamination packs are pressed together, extending the magnetic path and raising continuous torque relative to shorter stack codes.

Mechanical coupling is handled through a round shaft, enabling set-screw or clamp collars to seat anywhere along the journal without the constraints of a keyed profile. The motor is shipped as a standard motor, so winding impedance, flange geometry, and conduit exit follow the usual dimensions for this model type rather than a special build. As a brushless servomotor, it eliminates brush wear, helping maintain rated torque over extended production cycles while keeping electrical noise low for nearby sensors and control wiring.