H21xxxB-J Catalog Details

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Product Line
H Conventional Series
FrameSize
NEMA 23
Step Angle
1.80 degrees/step
Configuration
Bipolar Series
# of Leads
4
Rated Current
0.710 Amps
Holding Torque
76.8 oz-in
Ambient Temp.
40.0 degrees C
Phase Resistance
10.8 Ohms @ 25 C
Phase Inductance
32.7 mH
Thermal Resistance
5.96 deg. C/Watt
Insulation Class
NEMA Class B, 130°C
Rotor Inertia
0.00120 oz-in-s2
Motor Weight
2.43 lb
Motor Length
2.06 in
Radial Loading Force
19.1 lbs
Axial Loading Force
65.0 lbs
Rating Conditions
Motor Unmounted, Without Heatsink
2D Drawing
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* Assumed continuous duty for rating conditions

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* Temperature exceeds 130 deg. C at various segments of the calculated performance curve

Data

Speed (steps/second ) Torque (oz-in ) TAbs (deg. C)
0.00 56.1 131.3
500.00 44.9 88.9
1000.00 32.0 65.0
1500.00 20.1 54.9
2000.00 14.6 52.5
2500.00 11.2 52.1
3000.00 8.90 52.5
3500.00 7.28 53.2
4000.00 6.07 54.2
4500.00 5.14 55.3
5000.00 4.40 56.4
5500.00 3.80 58.6
6000.00 3.31 60.8
6500.00 2.90 63.0
7000.00 2.56 65.2
7500.00 2.27 67.4
8000.00 2.02 69.6
8500.00 1.80 71.9
9000.00 1.62 74.1
9500.00 1.45 76.4
10000.00 1.31 78.7