MF SERIES
Single-phase brake electric motor 2 poles, 4 poles and 6 poles with C.C. brake.
Electric and technical features of the brake
Electric and technical features of MF SERIES brake (.pdf format)
GENERAL FEATURES
| kW | from 0,09 kW to 2,8 kW |
| HORSEPOWER Hp | from 0,12 Hp to 3,8 Hp |
| POLES NR. | 2, 4, 6 poles |
| rpm |  2800, 1400, 900 rpm |
| FRAME SIZE | from MEC 56 to MEC 100 |
| BRAKE TYPE | C.C. brake with rectifier |
ELECTRIC AND TECHNICAL FEATURES OF THE BRAKE
TYPE | MF56 | MF63 | MF71 | MF80 | MF90 | MF100 | MF112 |
|---|---|---|---|---|---|---|---|
Dynamic Low Braking Torque - Nm | 3,0 | 4,0 | 7,0 | 10,0 | 10,0 | 21,0 | 22,0 |
Dynamic High Braking Torque - Nm | - | - | 14,0 | 20,0 | 20,0 | - | - |
Maximum rotation speed of the motor - rpm | 3000 | 3000 | 3000 | 3000 | 3000 | 3600 | 3600 |
Power - W | 25 | 25 | 30 | 45 | 45 | 60 | 60 |
Maximum Moment of Inertia admitted by the brake - Km/mt2 | 0,0330 | 0,0410 | 0,0680 | 0,0720 | 0,0720 | 0,1061 | 0,1283 |
Braking Time with the only Inertia of the motor/fan - Sec | 0,068 | 0,096 | 0,127 | 0,257 | 0,335 | - | - |
Braking Time with maximum Inertia Low Torque - Sec | 3,456 | 3,220 | 3,052 | 2,262 | 2,262 | - | - |
Braking Time with maximum Inertia High Torque - Sec | - | - | 0,808 | 0,617 | 0,617 | - | - |
Inertia Moment fan - Kg mm2 | 263,0 | 262,6 | 731,0 | 1367,5 | 1367,7 | 2700,0 | 2700,0 |
Inertia Moment rotor - Kg mm2 | 0,00039 | 0,00096 | 0,0021 | 0,0068 | 0,0093 | - | - |
Maximum noise Value - dB | 68 | 68 | 69 | 70 | 70 | 66 | 66 |
Weight - Kg | 1,40 | 1,90 | 2,95 | 4,85 | 5,50 | 3,50 | 3,70 |
THE STANDARD EXECUTION OF THE MOTORS IS AT “LOW TORQUE”. In a running in brake the static torque brake can increase at least around the 15%. If you use a quick-opening (P-PR) rectifier, for intervention superior at 15 at minute in continuous service it’s necessary an electric discharge of 3 seconds between each intervention. The perfect registration value of the air gap is 0.2 mm (+0.05-0). The maximum value that it accept before the recovery is 0.7 mm. The values that you can find in the tables can be modified by the constructor.
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Overall dimensions and specs.
Electric motors MF SERIES overall dimensions and specs. (.pdf format)
