Stepper Motor Specs Comparison
Part
Number
|
Photo
|
Nema
Frame
|
Holding
Torque
|
Rated
Current
|
Rated
Voltage
|
Induct-
ance
|
Rotor
Inertia
|
Shaft
Diameter
|
23HT175
|
|
23
|
175 oz
in
|
1.41
Amps
|
5.1
volts
|
11.0
mH
|
1.64 oz-in2
|
0.250
in
|
23HT350
|
|
23
|
350 oz
in
|
6.6
Amps
|
1.85
volts
|
1.54
mH
|
4.59 oz-in2
|
0.250
in
|
34HT390
|
|
34
|
390 oz
in
|
6.6
Amps
|
1.79
volts
|
1.57
mH
|
5.47 oz-in2
|
0.375
in
|
34HT750
|
|
34
|
750 oz
in
|
7.5
Amps
|
1.275
volts
|
1.4
mH
|
10.39 oz-in2
|
0.560
in
|
34HT1275
|
|
34
|
1275 oz
in
|
9.5
Amps
|
1.9
volts
|
2.3
mH
|
16.4 oz-in2
|
0.560
in
|
42HT1700
|
|
42
|
1700 oz
in
|
9.0
Amps
|
1.35
volts
|
1.6
mH
|
59.6 oz-in2
|
0.625
in
|
42HT4000
|
|
42
|
4000 oz
in
|
8.0
Amps
|
5.36
volts
|
11
mH
|
88.6 oz-in2
|
0.750
in
|
Note: Motor part numbers are for single shaft.
Append "D" to part # for double shaft.