Product Description:

The PMB33C-00101-00 is a brushless AC servomotor in the PMB Brushless Servomotors series from Pacific Scientific. As a torque-controlled actuator, it is installed on machines that need repeatable motion profiles, such as pick-and-place axes, small gantries, or indexing tables. By combining permanent-magnet excitation with electronic commutation, the unit supplies smooth rotation that can be precisely synchronized with a drive controller in industrial automation equipment.

This model uses flying leads with AMP connectors, so power phases and sensor signals can be connected directly to terminal blocks or mating plugs without a separate junction box. The stator uses a NEMA Size 34 frame, allowing it to bolt onto gearheads or adapter plates that follow this standard mounting pattern. A nominal stall current of 3.8 ARMS at 240 V AC indicates the continuous electrical demand when the rotor is locked, which helps with conductor and fuse selection. Rotor position is detected by internal Hall sensors; these three digital sensors furnish commutation signals to the inverter so it can switch phases at the correct electrical angle throughout rotation. The motor is a Standard Motor, which means no special winding, sealing, or flange modifications are applied.

The output shaft is machined with a flat, providing a reliable surface for set-screw couplings and helping prevent slippage under peak torque. Torque density is increased by a lamination stack with a stack length multiple of 3, giving the motor more magnetic volume than shorter motors while keeping the same front face. This longer stack helps raise available torque without changing the mounting footprint. As part of the PMB Brushless Servomotors series, the unit keeps mounting hardware, feedback pinouts, and thermal characteristics consistent across related models.