Product Description:

The PMB33E-00216-00 is a brushless servomotor produced by Pacific Scientific and supplied within the PMB Brushless Servomotors series. As a rotary actuator, it converts drive current from a matched amplifier into controlled torque and position, supplying closed-loop motion to pick-and-place equipment, packaging systems, and light machine-tool axes in industrial automation. Its electronic commutation permits high acceleration while keeping maintenance requirements lower than those of brushed DC designs. It is suited to automated motion tasks that require repeatable starts, stops, and speed changes during normal operation.

This unit is built on a NEMA size 34 frame, so its mounting holes and pilot diameter follow standard American flange dimensions. Inside that frame, the magnetic circuit draws a nominal stall current of 7.4 ARMS from a 240 V AC bus. Position feedback comes from a 4096 ppr incremental encoder, providing fine resolution for tight velocity and position loops. The feedback device is a digital encoder with commutation, so incremental channels and commutation tracks are available from one sensor. That arrangement gives the matched amplifier the position data needed for stable speed regulation and controlled indexing moves. Power and signal connections use flying leads with MS connectors, enabling flexible routing before connection to standard circular plugs at the cabinet.

The unit is a standard motor, so it uses the catalog winding and magnet arrangement rather than a special build. Mechanical power is delivered through a flat shaft, which simplifies coupling with set-screw hubs and helps resist slip during torque reversals. The laminated stator uses a stack length multiple of 3, which increases active iron length without changing the mounting footprint. The motor also uses PMB-series thermal ratings for temperature and duty limits applied to this product line.