NMB Standard PM Stepping Motors
NMB Standard PM Stepping Motors
NMB standard PM stepping motors use a permanent-magnet rotor and external phase excitation to produce discrete rotary movement. The family includes several diameters, body lengths and step-count choices for OEM feed and adjustment mechanisms. The motor name does not by itself identify a drive winding, feedback system or complete axis.
Review Summary
Consider the standard PM range for a printer, scanner, valve or similar compact mechanism whose loaded motion cycle suits a model-specific torque curve. Preserve diameter, body length, magnet, winding and step-count suffix in the selection. A maximum reference torque or a finer nominal step is not a complete performance specification.
PM15S-020 15 mm diameter; 12 mm body length; 20 steps/revolution; 18° full-step angle PM20S-020 / PM20L-020 20 mm diameter; 15.5 / 19.6 mm body length; 20 steps/revolution PM25S-024 / PM25L-024 25 mm diameter; 12.5 / 17 mm body length; 24 steps/revolution, 15° full steps PM25S-048 25 mm diameter; 12.5 mm body length; 48 steps/revolution, 7.5° full steps PM35S-024 / PM35L-024 35 mm diameter; 15.5 / 22.2 mm body length; 24 steps/revolution PM35 N48 examples PM35S-N48 / PM35L-N48; 35 mm diameter; 48 steps/revolution; exact winding and drawing required PM42 examples N48/F48: 48 steps; N96: 96 steps; PM42S-0X1: 100 steps; lengths and windings differ PM55L-048 55 mm diameter; 25.7 mm body length; 48 steps/revolution PM15S reference windings Bipolar constant-voltage examples: 5 V with 30 Ω per phase or 12 V with 100 Ω per phase PM25L reference drives 12 V unipolar constant-voltage 50 Ω example, or 24 V bipolar chopper at 400 mA with 12 Ω winding Performance scope Model-specific reference pull-in/pull-out curves; drive, magnet, duty and heat rejection affect the result Price Request a quote for exact motor, winding, shaft, mounting and supply scope Applications and Industries
Manufacturer-documented applications include printer and scanner mechanisms, flow-control valves and optical or related adjustment equipment. Treat the motor as an OEM component whose actual suitability depends on load, duty, electrical drive and mechanical integration.
Industrial automation
Request a quote for the exact configuration,quantity and delivery schedule.
| PM15S-020 | 15 mm diameter; 12 mm body length; 20 steps/revolution; 18° full-step angle |
| PM20S-020 / PM20L-020 | 20 mm diameter; 15.5 / 19.6 mm body length; 20 steps/revolution |
| PM25S-024 / PM25L-024 | 25 mm diameter; 12.5 / 17 mm body length; 24 steps/revolution, 15° full steps |
| PM25S-048 | 25 mm diameter; 12.5 mm body length; 48 steps/revolution, 7.5° full steps |
| PM35S-024 / PM35L-024 | 35 mm diameter; 15.5 / 22.2 mm body length; 24 steps/revolution |
| PM35 N48 examples | PM35S-N48 / PM35L-N48; 35 mm diameter; 48 steps/revolution; exact winding and drawing required |
| PM42 examples | N48/F48: 48 steps; N96: 96 steps; PM42S-0X1: 100 steps; lengths and windings differ |
| PM55L-048 | 55 mm diameter; 25.7 mm body length; 48 steps/revolution |
| PM15S reference windings | Bipolar constant-voltage examples: 5 V with 30 Ω per phase or 12 V with 100 Ω per phase |
| PM25L reference drives | 12 V unipolar constant-voltage 50 Ω example, or 24 V bipolar chopper at 400 mA with 12 Ω winding |
| Performance scope | Model-specific reference pull-in/pull-out curves; drive, magnet, duty and heat rejection affect the result |
| Price | Request a quote for exact motor, winding, shaft, mounting and supply scope |
