2 Pole Ferrite Magnets
Frame /
Dia. /
Mounting |
Stack |
Peak Stall
Torque
oz-in |
Cont. Stall
Torque
oz-in |
Rotor
Inertia
oz-in-sec2 |
Friction
Torque
oz-in |
Thermal
Resistance
oC/Watt |
Power
Range
(W) |
Weight
lb |
Max
RPM |
C21
NEMA 23 |
|
180 |
30 |
0.0046 |
2 |
4.9 |
45 |
2.3 |
4500 |
|
280 |
40 |
0.006 |
2.5 |
4.4 |
62 |
2.7 |
4500 |
|
350 |
50 |
0.008 |
3 |
3.8 |
72 |
3.2 |
4500 |
|
420 |
70 |
0.011 |
3.5 |
2.9 |
92 |
4.8 |
4500 |
C26
|
|
145 |
30 |
0.003 |
3 |
5.2 |
40 |
2.5 |
4500 |
|
260 |
52 |
0.006 |
3.5 |
4.3 |
75 |
3.5 |
4500 |
|
350 |
70 |
0.008 |
4 |
3.7 |
100 |
4.5 |
4500 |
|
450 |
90 |
0.011 |
4.5 |
3.1 |
112 |
5.6 |
4500 |
C32
NEMA 34 |
|
500 |
95 |
0.032 |
6 |
3.1 |
105 |
7.3 |
4000 |
|
660 |
130 |
0.044 |
7 |
2.4 |
160 |
8.5 |
4000 |
|
880 |
176 |
0.056 |
8 |
2.0 |
225 |
9.3 |
4000 |
Magmotor Selection Guide
|
4 Pole Ferrite Magnets
Frame /
Dia. / Mounting |
Stack |
Peak Stall
Torque
oz-in |
Cont. Stall
Torque
oz-in |
Rotor
Inertia
oz-in-sec2 |
Friction
Torque
oz-in |
Thermal
Resistance
oC/Watt |
Power
Range
(W) |
Weight
lb |
Max
RPM |
C33
NEMA 34 |
|
480 |
50 |
0.01 |
6 |
3.7 |
75 |
4.0 |
4000 |
|
850 |
90 |
0.02 |
7 |
2.9 |
120 |
5.2 |
4000 |
|
1200 |
130 |
0.025 |
7.5 |
2.3 |
150 |
7.5 |
4000 |
|
1250 |
172 |
0.04 |
8 |
1.8 |
180 |
9.0 |
4000 |
C40
NEMA 42 |
|
1200 |
248 |
0.16 |
12 |
2.0 |
275 |
10 |
3000 |
|
1984 |
416 |
0.24 |
14 |
1.3 |
430 |
13 |
3000 |
|
2480 |
512 |
0.30 |
16 |
0.98 |
570 |
15 |
3000 |
|
3040 |
640 |
0.37 |
18 |
0.79 |
720 |
17 |
3000 |
Magmotor Selection Guide
|
4 Pole Neodymium Magnets
Frame /
Dia. / Mounting |
Stack |
Peak Stall
Torque
oz-in |
Cont. Stall
Torque
oz-in |
Rotor
Inertia
oz-in-sec2 |
Friction
Torque
oz-in |
Thermal
Resistance
oC/Watt |
Power
Range
(W) |
Weight
lb |
Max
RPM |
SR15
NEMA 17 |
|
75 |
10 |
0.00027 |
2 |
6.5 |
25 |
0.6 |
6000 |
|
120 |
15 |
0.0004 |
2.5 |
5 |
45 |
0.82 |
6000 |
|
135 |
20 |
0.0005 |
2.7 |
4.0 |
62 |
1.2 |
6000 |
|
150 |
25 |
0.0006 |
3 |
3.0 |
80 |
1.2 |
6000 |
S23
NEMA 23 |
|
500 |
50 |
0.006 |
5 |
4.5 |
70 |
2 |
4000 |
|
800 |
75 |
0.010 |
6 |
4.0 |
100 |
2.6 |
4000 |
|
1000 |
100 |
0.014 |
7 |
3.5 |
130 |
3.2 |
4000 |
S28
NEMA 34 |
|
900 |
80 |
0.01 |
6 |
3.7 |
80 |
3 |
4000 |
|
1300 |
130 |
0.02 |
7 |
2.9 |
150 |
4 |
4000 |
|
1500 |
200 |
0.025 |
8 |
2.3 |
200 |
5.5 |
4000 |
|
1700 |
250 |
0.04 |
9 |
1.8 |
250 |
6.8 |
4000 |
Magmotor Selection Guide
|