P21NRXS-LNS-NS-03 Pacific Scientific
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The Pacific Scientific P21NRXS-LNS-NS-03 is part of the POWERMAX II P Motors series and features a NEMA 23 frame size with standard construction and single shaft configuration. This stepper motor has a step angle of 1.8 degrees, offering 200 steps per revolution and operates with two phases. It is rated for insulation class B at 130°C and protection class IP23.
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Product Description:
The P21NRXS-LNS-NS-03 is a two-phase hybrid stepper motor built by Pacific Scientific within the POWERMAX II P Motors series. Designed as a NEMA-compatible positioning element, the unit converts discrete pulse commands from an electronic drive into incremental rotary motion for indexing tables, small conveyors, or pick-and-place axes in industrial automation. It supplies repeatable angular steps without an integral encoder, allowing open-loop speed and position control when external feedback is not required. That arrangement suits machines that need predictable indexing behavior and straightforward integration with a compatible stepper drive.
Its frame corresponds to the NEMA 23 standard, giving the motor a 57 mm square mounting face that aligns with common brackets and couplings. A single rotor stack and two electrical phases produce the basic 1.8 degrees step angle, so exactly 200 full steps complete one shaft revolution. Positional variation is held within ± 1.5%, and the housing has an IP23 protection class that allows convection cooling while helping block fingers and moderate airborne debris. Standard construction includes a single shaft and a regular leadwire connection routed to a receptacle, which helps simplify wiring in typical NEMA-style installations.
Electrical insulation measures 100 megohms, and the winding can withstand up to 340 VDC before breakdown. A dielectric endurance rating of 500 VDC for 1 minute confirms coil-to-frame isolation during normal use. Class B materials rated to 130 °C limit internal temperature rise, and the external case is permitted to reach 95 °C under worst-case load. Continuous operation is allowed between -20 °C and +40 °C, which fits common cabinet and ambient conditions for industrial equipment. These temperature and insulation limits describe the normal operating range for the motor when it is applied within its intended duty cycle.
Frequently Asked Questions about P21NRXS-LNS-NS-03:
Q: What is the frame size of the P21NRXS-LNS-NS-03 motor?
A: The P21NRXS-LNS-NS-03 stepper motor features a NEMA 23 frame size, ideal for compatibility with standard mounting requirements.
Q: What step angle does the P21NRXS-LNS-NS-03 stepper motor provide?
A: This model operates with a step angle of 1.8 degrees, allowing for precise incremental movements.
Q: What type of shaft configuration is available on the P21NRXS-LNS-NS-03?
A: The shaft configuration on this motor is single, supporting typical couplings for motion applications.
Q: What is the operating temperature range of the P21NRXS-LNS-NS-03?
A: The P21NRXS-LNS-NS-03 supports an operating temperature range from -20°C to +40°C.
Q: What level of environmental protection does the P21NRXS-LNS-NS-03 provide?
A: This motor features a protection class of IP23, offering protection against solid objects greater than 12 mm and spraying water at an angle up to 60 degrees.
