P21NRXC-LNN-NS-00 Pacific Scientific
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The Pacific Scientific P21NRXC-LNN-NS-00 is part of the POWERMAX II P Motors series and features a NEMA 23 frame size with standard construction. This motor has a holding torque of 0.82 N·m, operates with a rated current per winding of 3.5 Amps, and has a step angle of 1.8 degrees, allowing for 200 steps per revolution. It weighs 0.68 kg and is rated for operation between -20°C and +40°C.
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Product Description:
The P21NRXC-LNN-NS-00 is a hybrid stepper motor built by Pacific Scientific for the POWERMAX II P Motors series. The unit converts pulse trains from a microstepping drive into controlled rotary increments for pick-and-place heads, label dispensers, and small linear stages. Its standard construction follows NEMA mounting conventions and houses a single magnetic stack within a 52.4 mm body, giving 200 full steps per revolution with a step accuracy of ±1.5 %. The model is supplied without a feedback device, making it suitable for applications that can tolerate open-loop operation.
The motor delivers a holding torque of 0.82 N·m, generated by a two-phase winding rated at 3.5 A per phase and 1.06 Ω of resistance for efficient current conversion. With a frame size of NEMA 23, it fits mounting patterns used by many compact motion systems. Each 1.8° step is backed by 0.03 N·m of detent torque, so the shaft resists unintended movement when de-energized. Electrical dynamics are influenced by a phase inductance of 2.3 mH, allowing rapid current rise times, while the 0.000012 kg·m² rotor inertia supports quick start-and-stop profiles. Internally, the type-C winding and standard rotor geometry help keep the case temperature within the POWERMAX thermal limit of 95 °C.
The shaft can withstand an axial load of 60 N and a radial load of 90 N, applied through a smooth 6.35 mm single-ended shaft that accepts couplings without keys. Protection level IP23 permits installation inside ventilated enclosures where airborne liquids are not present, and Class-B insulation rated at 130 °C works with a 100 MΩ insulation resistance and a 340 Vdc dielectric limit to protect the windings. Operation is permitted from -20 °C to +40 °C, while the lead-wire connection exits through a receptacle for standard mating cables. Standard leadwires, a NEMA face mount, and the 0.68 kg mass support straightforward installation in compact equipment.
Frequently Asked Questions about P21NRXC-LNN-NS-00:
Q: What is the axial shaft load capacity of the P21NRXC-LNN-NS-00 motor?
A: The P21NRXC-LNN-NS-00 supports an axial shaft load of up to 60 N.
Q: What is the holding torque of the P21NRXC-LNN-NS-00?
A: This model provides a holding torque of 0.82 N·m.
Q: What is the shaft configuration and diameter of the P21NRXC-LNN-NS-00?
A: The shaft on this motor is a single, smooth configuration with a diameter of 6.35 mm.
Q: What is the rated current per winding for the P21NRXC-LNN-NS-00?
A: Rated current per winding is specified at 3.5 A for this product.
Q: What is the operating temperature range for the P21NRXC-LNN-NS-00?
A: This motor operates in temperatures ranging from -20°C to +40°C.
