P2HNRXF-LSS-M1-02 Pacific Scientific
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The Pacific Scientific P2HNRXF-LSS-M1-02 stepper motor belongs to the POWERMAX II P Motors series and features a NEMA 23 frame size with NEMA mounting style. It offers a holding torque of 0.42 Nm, has 2 phases, and delivers 200 steps per revolution with a step angle of 1.8 degrees. The motor is built with class B insulation rated at 340 VDC and a protection class of IP23.
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Product Description:
The P2HNRXF-LSS-M1-02 is a two-phase stepper motor manufactured by Pacific Scientific and supplied under the POWERMAX II P Motors series. It serves as a positioning element in industrial automation, advancing in discrete increments when commanded by a compatible drive. This controlled motion allows conveyor diverters, small gantries, and metering pumps to move to precise angles without requiring a feedback device. Its compact format is suitable for machine axes that require repeatable incremental motion and straightforward drive control.
This model develops a holding torque of 0.42 Nm, which is the maximum static torque it can exert to keep a load in position. The windings accept a rated current of 1.6 A during operation. Each full step measures 1.8 degrees, providing 200 steps per revolution for angular positioning. The copper coils have a winding resistance of 3.8 Ω at 25 °C and a winding inductance of 5.1 mH, which influence current rise time and drive voltage selection. A detent torque of 0.018 Nm results from permanent-magnet cogging and provides slight shaft retention when power is removed. The NEMA 23 frame and mounting arrangement allow the housing to attach directly to common motion platforms. A standard lead-wire connection mates with a receptacle on the rear end bell for convenient wiring.
Class B insulation is rated for 130 °C, while an insulation resistance of 100 megohms and an insulation voltage rating of 340 VDC provide dielectric protection. Step position error remains within ±1.5%, supporting repeatable indexing throughout the operating range. The motor has an IP23 protection rating, making it suitable for locations where falling dirt may be present but exposure to liquids is limited. Surface temperature can reach 95 °C under worst-case duty, and the permitted ambient temperature range extends from -20 °C to +40 °C. Half-stack construction reduces rotor inertia, which supports responsive acceleration and deceleration on compact motion axes. Encoder mounting provisions accommodate the addition of a feedback device when closed-loop operation is required. The standard rotor provides stable motion characteristics for applications using full-step, half-step, or compatible microstepping drives.
