Product Description:

The P22NRXA-LDN-HD-00 is a stepper motor manufactured by Pacific Scientific for the POWERMAX II P Motors series. In automated machinery, it receives pulse trains from a drive and moves the load in fixed increments, making it suitable for open-loop positioning when external feedback is not required. This operating style supports repeatable indexing in conveyor sections, labeling equipment, and assembly stations where controlled step motion is needed.

The motor uses a NEMA 23 frame with a 2.625 in bolt circle, 0.200 in mounting holes, and a 1.500 in pilot for accurate alignment at the mounting face. Its overall body length is 3.10 in, and the standard housing contains a standard two-stack rotor that helps provide useful torque in a compact package. Motion is based on a 1.8° step angle with a stated accuracy of ±1.5%, while a smooth double-ended shaft allows connection to either the driven load or an added encoder. The shaft is supported by bearings within the motor housing, winding code A is used for the electrical configuration, and regular leadwires exit through a receptacle-style connection.

For electrical and thermal performance, the windings use Class B insulation with a 130 °C temperature rating, a 340 VDC impulse withstand level, and 100 megohms of resistance at room temperature. The motor is intended to operate in ambient conditions from -20 °C to +40 °C, which makes it suitable for installation in non-conditioned cabinets when the surrounding environment stays within that range. An optional 500 LPR encoder can be fitted, and it requires 5 VDC while providing quadrature and index signals through single-ended outputs. The shaft diameter is 0.2500 in, which matches many common couplings and supports straightforward integration with external brakes or feedback devices.