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12
Motor Data
Unit of
Part Numbers
Measure
071033
071070
071031
071145
Voltage Input
Volts DC
12
13.8
74
27.6
No Load Speed, Nominal
RPM
6700
3750
3700
3000
No Load Current, Nominal
amps
1
2.5
0.22
0.5
Stall Torque, Theoretical
oz.-in.
72
210
334
453
Ncm
51
148
236
320
Continuous Torque
oz.-in.
28
60
85
100
Ncm
20
42
60
71
Speed @ Torque, Nominal
RPM
4500
2527
2700
2100
Current @ Torque, Nominal
amps
14
14.3
3.2
8
Continuous Power
watts
94
113
171
155
Torque Constant
oz.-in. /amp
2.42
4.98
27.04
12.44
Ncm/amp
1.71
3.51
19.10
8.79
Voltage Constant
V/kRPM
1.79
3.68
20
9.20
V/rad/sec
0.0171
0.0351
0.1910
0.0879
Length (“L” above)
inches
5.33
6.08
6.68
7.68
mm
135.38
154.43
169.67
195.07
Weight
lb.
6.4
7.3
8.0
9.3
kg
2.9
3.3
3.6
4.2
Shaft Diameter (“D” above)
inches
.2495
.6250
.312
.4997
mm
6.337
15.8750
7.925
12.6924
Shaft Length (“S” above)
inches
.83
1.00
1.65
2.25
mm
21.08
25.40
41.91
57.15
Drive Electronics
Internal
NOTES
* Motor design characteristics are based on an operating environment of 25C.
* Nominal and maximum performance figures are based on a winding temperature of 105C.
* This document is for informational purposes only and should not be considered as a binding description of the products and their performance in all applications.
* AMETEK Rotron products are not designed for and should not be used in medical life support applications.
* AMETEK reserves the right to revise its products without notification.
* The above characteristics represent standard products. For product designed to meet specific applications contact AMETEK Rotron Marketing and Sales.
3.9M99
3.9” (99mm) Diameter, 4 Pole, Brushless DC Motor
This drawing is a general outline. For a more detailed drawing please contact AMETEK Rotron.