Product Description:

The PMB33E-00200-03 brushless servomotor belongs to the PMB Brushless Servomotors series produced by Pacific Scientific. It converts three-phase electrical input into controlled rotary motion, serving as a primary mover on indexing tables, light conveyor sections, and electronic assembly tooling where precise speed and position regulation are required. The motor’s design targets compact automation layouts, allowing direct coupling to gearheads or belt stages while maintaining repeatable performance in continuous-duty and rapid-cycle applications.

At the mechanical interface, the frame conforms to NEMA Size 34, so mounting dimensions align with standard 3.4-inch square housings used throughout North American equipment. Continuous torque output is supported by a nominal stall current of 7.4 ARMS when operated from 240 VAC drives, which helps set conductor and amplifier sizing for peak load demand. Power exits through flying leads with MS connectors, providing flexible lead routing together with quick-disconnect access. Rotor position is measured by a resolver, which supplies absolute sine-cosine feedback that remains functional across high temperatures and vibration. The output shaft is machined with a flat to help prevent slippage when set screws are tightened on couplings or pulleys. To increase torque without enlarging the footprint, the motor uses a stack length multiple of 3, combining three laminated core sections within the same frame envelope.

A a shaft seal guards the front bearing against oil or dust ingress during operation. The integrated PTC thermistor reports winding temperature to the drive so temperature can be monitored before insulation is overstressed. This factory customization package, together with the extended stack length, supports applications that need added protection against contamination and heat while preserving the motor’s compact mounting format.