Product Description:

The PMB33E-10216-01 is a brushless servomotor produced by Pacific Scientific within the PMB Brushless Servomotors series. As a rotary actuator, it converts electrical energy into controlled mechanical torque for positioning axes, indexing tables, and other closed-loop automation tasks. The motor is intended for operation on 240 VAC servo amplifiers and integrates internal feedback so motion controllers can command precise velocity and position profiles needed in industrial processes. This arrangement supports repeatable motion in equipment that depends on accurate starts, stops, and speed changes.

Mechanical interfacing is based on its NEMA Size 34 frame, so the front flange and pilot follow standard dimensions used on mid-range machinery. To sustain load at zero speed, the winding can accept 7.4 ARMS of stall current, so the matched drive must support that continuous current level. Rotor synchronization is handled by a digital encoder with commutation, while position feedback is provided at 4096 ppr for fine motion resolution. The encoder also supplies commutation data so the amplifier can energize the motor phases in the proper sequence across the speed range. Field wiring exits through flying leads with MS connectors, combining flexible lead-out with the durability of military-style plugs.

A factory-installed shaft seal helps limit lubricant egress and protects the bearings when the motor is coupled to gearboxes or exposed to oil mist. Power is transmitted through a round output shaft, which simplifies coupling alignment for clamp hubs and belt pulleys. The shaft form is also suitable for applications that do not require a keyed interface. The motor uses stack length multiple 3, which gives the magnetic circuit more active length than shorter motors in the same frame. That longer stack supports higher continuous torque within the same mounting footprint.