PMB33F-00116-02 Pacific Scientific
Wake Industrial LLC is not an authorized distributor of this product.
Wake Industrial LLC is not an authorized distributor of this product.
The Pacific Scientific PMB33F-00116-02 is a brushless servomotor in the PMB Brushless Servomotors series. It features a NEMA Size 34 motor frame, a nominal stall current of 11.0 ARMS at 240 VAC max, and a flat shaft design. The motor includes a digital encoder with commutation, 4096 ppr resolution, and flying leads with AMP connectors.
Internal Product Review
The PMB33F-00116-02 is a Pacific Scientific PMB Series brushless servomotor in a NEMA Size 34 frame. Digital encoder commutation and 4096 ppr feedback support accurate positioning and stable servo response. Flying leads with AMP connectors simplify integration, and the servomotor stands out as a strong choice for precise motion axes.
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Product Description:
The PMB33F-00116-02 brushless servomotor is built by Pacific Scientific and belongs to the PMB Brushless Servomotors series. It provides closed-loop rotary motion for axes that need precise torque and speed control in automated assembly, packaging, and material-handling equipment. Its permanent-magnet rotor couples with a three-phase stator to follow sinusoidal drive currents, while the onboard feedback keeps electrical angle synchronized with commanded motion.
Mechanically, the unit shares the standard NEMA Size 34 flange, and its magnetic core is lengthened to a stack length multiple of 3 to raise continuous torque without changing the bolt circle. A Flat is ground on the shaft for hub clamping. The optical encoder supplies 4096 ppr, allowing high-resolution position loops. Power and feedback exit as Flying leads with AMP connectors, easing cable routing inside drag chains. The extended lamination stack also improves thermal capacity, allowing higher duty cycles in fixed installations. The shaft flat further minimizes balancing errors that can result from keyseat machining.
Commutation cues and incremental counts are combined in one Digital Encoder with commutation, supporting fast current regulation. At 240 VAC the winding withstands 11.0 ARMS at stall, so drives must be sized for that figure. Over-temperature is detected by a built-in PTC Thermistor that can trip the control circuit. When the motor is stalled for fixture clamping or indexing, that current figure translates directly to copper losses, so ambient airflow should be planned accordingly. The thermistor output can be wired to the drive’s digital input for automatic fold-back rather than a hard shutdown. These ratings, along with the build consistency of Pacific Scientific, outline the usable load envelope for system designers.
