Product Description:

The P22NRFH-LNN-NS-00 is a hybrid stepper motor produced by Pacific Scientific within the POWERMAX II P Motors series. Designed for open-loop positioning and speed control in automated indexers, labelers, and compact gantry drives, the unit converts electrical pulse trains into discrete shaft movement without integral feedback. Its NEMA-based frame and two-stack magnetic circuit provide a familiar footprint while delivering the incremental motion required for repetitive assembly and material-handling tasks in industrial automation lines.

Internally, the motor uses 2 phases arranged in a dual-stack rotor to generate a basic step angle of 1.8 degrees, so each input pulse advances the shaft by 0.005 radians. With 200 steps per revolution, the device provides direct mechanical resolution suitable for microstepping drivers when finer interpolation is needed. The frame conforms to NEMA 23 dimensions, and its 78.8 mm body length fits standard 57 mm mounting patterns. Electrical terminations consist of eight flying leads routed through a regular lead-wire harness, and the unit is supplied without feedback devices. A single smooth shaft extends from the front, step accuracy is held within ±1.5%, and the rotor type is standard.

The motor uses a Class B, 130 °C insulation system, and the housing may reach but not exceed 95 °C surface temperature during continuous duty. Ambient operation is allowed from −20 °C to +40 °C, while insulation withstands 340 Vdc and retains 100 megohms of resistance at room temperature. The bearings permit axial forces up to 60 N and radial forces up to 90 N without affecting life. Dynamic response is shaped by a rotor inertia of 0.000025 kg·m², which supports quick acceleration for light loads. The motor uses a 6.35 mm diameter shaft, and the assembly carries an IP23 protection class against dripping water and dust.