Fastech Ezi-Speed ST, Manual, Page: 19 / 111

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4. Specifications and dimensions of the motor
4.1 Specifications
Specifications
Item Unit
ESM-60-
S-30
ESM-80-
S-60
ESM-90-
S-120
ESM-
104-S-
200
ESM-
104-S-
400
Rated Output
Power(Continuous)
W 30 60 120 200 400
Rated Torque N〮 m 0.096 0.192 0.382 0.637 1.272
Rated Output
Current
A 0.21 0.36 0.85 1.65 2.37
Rated Speed rpm 3000
Permissible Load
Inertia Moment
10
−4
Kg
〮
m
2
0.5 1.8 5.8 5.8 8.75
Inertia Moment
10
−4
Kg
〮
m
2
0.086 0.234 0.61 0.61 0.66
BeakEMF(Phase) mV/min 22.2 24.8 19 30 23
Torque Constant N〮 m/Arms 0.074 0.071 0.076 0.068 0.122
Weight Kg 0.5 0.8 1.3 2.4 2.4
Length mm 62 74 94 156 156
Number of pole
pairs
Pole pairs 5
Permissible
Overhung Load
10mm from
Shaft : [N]
70 120 160 160 160
20mm from
Shaft : [N]
100 140 170 170 170
Promissible Thrust
Load
N
Please don ’ t thrust load. An unavoidable situation, please
keep thrust load less than 50% of motor weight.