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NEMA 23 rotary stepper motor

Up to 257 oz-in (181 N-cm) holding torque

NEMA 23 1.8° 2-phase enhanced stepper motors have higher torque output than conventional hybrid stepper motors.

Features include:

  • Up to 257 oz-in (181 N-cm) holding torque
  • Three current ranges: 2.4, 3.0 and 6.0 Amp
  • Three lengths available
  • Specifications
  • Options / Accessories
  • Downloads/Support

  • Specifications
  • Torque-Speed Curves
  • Mechanical
  • Wiring

  • 2.4 Amp
  • 3.0 Amp
  • 6.0 Amp
  Single Length Double Length Triple Length
Part Number: Double shaft not available M-2218-2.4S M-2222-2.4S M-2231-2.4S
Holding Torque - oz-in (N-cm) 90 (64) 144 (102) 239 (169)
Detent Torque - oz-in (N-cm) 3.9 (2.7) 5.6 (3.9) 9.7 (6.9)
Phase Current - Amps 2.4 2.4 2.4
Phase Resistance - ohms 0.95 1.2 1.5
Phase Inductance - mH 2.4 4.0 5.4
Rotor Inertia - oz-in-sec2 (kg-cm2) 0.00255 (0.18) 0.00368 (0.26) 0.0065 (0.468)
Weigh - oz (g) 16.9 (480) 21.2 (600) 35.3 (1000)
  Single Length Double Length Triple Length
Part Number: [X]: S=single shaft, D=double shaft M-2218-3.0[X] M-2222-3.0[X] M-2231-3.0[X]
Holding Torque - oz-in (N-cm) 90 (64) 144 (102) 239 (169)
Detent Torque - oz-in (N-cm) 3.9 (2.7) 5.6 (3.9) 9.7 (6.9)
Phase Current - Amps 3.0 3.0 3.0
Phase Resistance - ohms 0.65 0.85 0.95
Phase Inductance - mH 1.5 2.6 3.36
Rotor Inertia - oz-in-sec2 (kg-cm2) 0.00255 (0.18) 0.00368 (0.26) 0.0065 (0.468)
Weigh - oz (g) 16.9 (480) 21.2 (600) 35.3 (1000)
  Single Length Double Length Triple Length
Part Number: [X]: S=single shaft, D=double shaft M-2218-6.0[X] M-2222-6.0[X] M-2231-6.0[X]
Holding Torque - oz-in (N-cm) 100 (71) 150 (106) 257 (181)
Detent Torque - oz-in (N-cm) 2.0 (1.4) 3.0 (2.1) 5.0 (3.5)
Phase Current - Amps 6.0 6.0 6.0
Phase Resistance - ohms 0.16 0.19 0.23
Phase Inductance - mH 0.47 0.73 1.04
Rotor Inertia - oz-in-sec2 (kg-cm2) 0.0017 (0.12) 0.00397 (0.28) 0.0068 (0.48)
Weigh - oz (g) 16.6 (470) 24.7 (700) 35.3 (1000)
 

  • 2.4 Amp
  • 3.0 Amp
  • 6.0 Amp
 
2.4 Amp NEMA 23 torque-speed performance
Single Length Motor P/N M-2218-2.4
tscurve
 
Double Length Motor P/N M-2222-2.4
 
 

Triple Length Motor P/N M-2231-2.4
 
 
 
3.0 Amp NEMA 23 torque speed performance
Single Length Motor P/N M-2218-3.0
tscurve
 
Double Length Motor P/N M-2222-3.0
 
 

Triple Length Motor P/N M-2231-3.0
 
 
 
6.0 Amp NEMA 23 torque speed performance
Single Length Motor P/N M-2218-6.0
tscurve
 
Double Length Motor P/N M-2222-6.0
 
 

Triple Length Motor P/N M-2231-6.0
 
 
 

 

 
NEMA size 23
Dimensions in inches (mm)
nema 23 dims
NEMA Size 23
Wire Color (2.4 A and 3.0 A)
Wire Color (6.0 A)
Phase
Red Black Phase A
Red/White Orange Phase A Return
Green Red Phase B
Green/White Yellow Phase B Return

 

  • Encoders

Optional dual channel incremental optical rotary encoders are available for closed loop position control. These small but very reliable encoders come standard with quadrature style outputs and an index mark, and are available in a broad range of line counts. Single-end or differential output styles are available as are optional interface cables.

>View encoder information (pdf)

Literature

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