M22NRXC-JDN-M1-00 Pacific Scientific
Wake Industrial LLC is not an authorized distributor of this product.
The Pacific Scientific M22NRXC-JDN-M1-00 stepper motor is part of the POWERMAX II M Motors series and features a NEMA 23 frame size with an enhanced construction type. It has a shaft diameter of 6.35 mm, supports double shaft configuration, and operates with two phases and 200 steps per revolution. The motor uses Class B insulation rated at 340 Vdc and has a step accuracy of +/- 1.5 percent.
Internal Product Review
The M22NRXC-JDN-M1-00 is a Pacific Scientific POWERMAX II M stepper motor featuring a NEMA 23 frame and enhanced construction for improved reliability in demanding environments. This model offers a double smooth shaft with encoder mounting provision, making it adaptable for precise motion control applications. The motor delivers ±1.5% step accuracy and 1.8-degree step angle, ensuring consistent positioning performance.
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Product Description:
The M22NRXC-JDN-M1-00 is a two-stack hybrid stepper motor manufactured by Pacific Scientific within the POWERMAX II M Motors series. It converts discrete electrical pulse trains into precise angular movement, allowing motion controllers to position tooling, valves, or indexing tables without the need for a feedback device. By combining a low-inertia rotor with a compact industrial design, the motor supports quick response in pick-and-place machinery, semiconductor handling equipment, and other automation axes that require repeatable incremental motion.
Each electrical pulse advances the shaft by 1.8 degrees, so one full revolution is completed in 200 steps. The motor uses 2 phases, which keeps drive requirements straightforward while maintaining the operating characteristics expected from this motor type. A NEMA 23 frame gives the unit a standard 57 mm square face and matches the series mounting pattern, while the front bearing set uses a 30 mm outside diameter to support radial loads from couplings or pulleys. This layout supports compact mounting and consistent indexing performance in typical motion assemblies.
Dynamic response is influenced by a rotor inertia of 0.000018 kg·m², which helps the motor accelerate quickly without requiring excessive peak current from the drive. Power is transmitted through a double smooth shaft with a diameter of 6.35 mm, making it suitable for many clamp-type couplings. With a total mass of 1.13 kg, the unit adds little load to the surrounding machine structure and dissipates heat through a 4.5 °C/W thermal path. Operation is permitted from -20 °C to +40 °C; within this range, Class B 130 °C insulation, 100 MΩ insulation resistance, and 340 VDC dielectric withstand help protect the windings, while the 38.1 mm pilot diameter and encoder mounting provision simplify installation on NEMA mounting plates.
