Product Description:

The K32HRFJ-LEK-M2-00 is a stepper motor developed by Pacific Scientific for the K PowerPac Motors series. It converts discrete drive pulses into proportional angular motion, enabling precise indexing of slides, feeders, and small conveyor zones in automated equipment. The design targets motion stages that require dependable incremental positioning without the added complexity of closed-loop servos.

The motor uses Pacific Scientific’s SIGMAX construction, an enhanced magnetic circuit that boosts force density without enlarging the housing. Within its NEMA 34 size class, the unit uses a 3.38-inch square frame, extends 133 mm in length, and uses a 2-stack lamination core with a laminated rotor to reduce eddy losses. Each electrical impulse advances the shaft by 1.8°, and the cumulative position error is held within ±1.5%. When fully energized, the motor can develop 10.8 Nm of holding torque for direct coupling to moderate inertia loads. Standard wound phases support common microstep or full-step drive modes while maintaining thermal limits set by the copper fill.

Field connection is provided through a regular leadwire style with an 8 lead configuration, allowing the phase pairs to be wired for series, parallel, or unipolar drive topologies. A double-ended shaft with a straight key provides rear mounting space for an encoder, and a heavy-duty NEMA flange simplifies alignment even though a shaft seal is not fitted. The insulation system is rated for 340 Vdc and provides up to 100 Megohms of resistance between the windings and frame, which helps protect dielectric integrity in high-performance microstep amplifiers. Operation remains stable from -20 °C to +40 °C, so the device can be mounted in unconditioned panels or lightly cooled machinery bays without exceeding temperature class limits.