Product Description:

The PMB33F-00216-02 is a brushless servomotor manufactured by Pacific Scientific for the PMB Brushless Servomotors series. This motor is intended for closed-loop motion axes where precise velocity and position control are required in packaging stations, pick-and-place heads, and other industrial automation modules. It provides the torque density of a permanent-magnet design while allowing direct connection to compatible Pacific Scientific servo drives through its electrical and feedback interfaces. Its compact servo format suits machinery that must accelerate, decelerate, and reverse accurately during repetitive production cycles. That combination helps the axis maintain repeatable motion when loads change from one machine step to the next.

The frame follows the NEMA Size 34 mounting standard, so the flange and bolt circle align with widely used U.S. motor brackets. A nominal stall current of 11.0 ARMS at 240 VAC shows the current level associated with holding the rotor at zero speed under rated conditions. Rotor position is reported by a 4096 ppr feedback device, giving 12-bit resolution that supports smooth interpolation in servo loops. The motor uses a digital encoder with commutation, which provides incremental position data together with commutation signals for proper drive alignment. Power and feedback cables exit as flying leads with MS connectors, which simplifies connection to the drive and reduces the need for soldered terminations at the motor.

A built-in PTC thermistor is installed in the stator winding so the drive can react if internal temperature rises toward the allowable limit. The output shaft has a flat, allowing couplings or pulleys to be secured with a set screw to help reduce slip during reversing loads. The motor uses a stack length multiple of 3, which balances torque output with overall motor length for mid-range power requirements. This arrangement supports compact axis layouts where available space is limited but stable servo response is still required. The thermal monitor and shaft form also support steady operation in systems that cycle frequently throughout normal machine use.