Product Description:

The PMB33E-00201-02 is a brushless servomotor built by Pacific Scientific and supplied within the PMB Brushless Servomotors series. It targets closed-loop motion axes where rapid acceleration, consistent positioning, and compact mounting are required on packaging stations, conveyors, or small gantries. By combining a permanent-magnet rotor with electronic commutation, the unit converts drive current into controlled torque for automation tasks that depend on precise speed and position feedback. The brushless design avoids commutator wear and supports smooth rotary output during repetitive start-stop cycles. In automated equipment, that responsive behavior helps maintain stable motion during indexing, short transfers, and frequent speed changes.

Its frame conforms to the NEMA Size 34 mounting pattern, so the front face bolts directly into machinery that follows this dimensional standard. During locked-rotor conditions at 240 VAC, the winding draws a nominal stall current of 7.4 ARMS, which helps set drive current limits and choose suitable conductors. The motor uses flying leads with MS connectors for power connections, allowing detachable wiring while keeping the rear of the housing compact. The output shaft uses a flat shaft profile, giving set screws a secure seating surface and helping the coupling resist slip during acceleration and deceleration. That combination suits machine layouts that need standard face mounting and simple cable routing in limited space.

Rotor position is detected with an integrated Hall sensor, which supplies the drive with commutation signals needed for six-step control at low to mid speed ranges. Hall-based feedback also gives the drive immediate rotor sector information during startup. A built-in PTC thermistor connects to the inverter shutdown circuit to provide temperature monitoring when winding heat rises. The magnetic core uses a stack length multiple of 3, which increases flux interaction for higher continuous torque without changing the mounting footprint. By extending the active magnetic length within the same face size, the motor can handle medium-inertia loads where a larger frame would be harder to fit.