The PMB Brushless Servomotors from Pacific Scientific comprise a family of permanent-magnet brushless motors intended for compact, servo-driven positioning and speed-control applications.
The series is offered in multiple mechanical formats—including size 17 as well as NEMA 23 and NEMA 34 mounting styles—with different stack lengths to scale torque and inertia to the axis requirements. For feedback and commutation, PMB motors are available with resolver, Hall-sensor, or digital encoder-based feedback options (with commutation capability depending on the selected configuration) to support precise closed-loop control. The platform includes practical integration choices such as different shaft styles (including variants like flat, round, or keyed depending on frame size) and selectable connection hardware using MS-style connectors or AMP mini Mate-N-Lock to simplify wiring. Electrically, the PMB line is organized by winding designators with defined stall-current ratings, and published performance shows continuous rated torque spanning roughly 0.22 to 4.8 Nm, with motor/drive combinations documented across low-voltage DC bus and higher-voltage drive families depending on the chosen drive and winding.
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