Delta ASDA-A3 Series, User Manual, Page: 802 / 845

ASDA-A3 Specifications
A-9
A
A.2.1 ECM-A3L low inertia series servo motor
ECM-A3L
040F 0401 0602 0604 0804 0807
Rated power (kW)
0.05 0.1 0.2 0.4 0.4 0.75
Rated torque (N-m)
*1
0.159 0.32 0.64 1.27 1.27 2.39
Max. torque (N-m)
0.557 1.12 2.24 4.45 4.44 8.36
Rated speed (rpm)
3000
Max. speed (rpm)
6000
Rated current (Arms)
0.66 0.9 1.45 2.65 2.6 5.1
Max. instantaneous
current (Arms)
2.82 3.88 6.2 10.1 10.6 20.6
Change of rated power
(kW/s)
11 25.6 45.5 107.5 45.8 102.2
Rotor inertia
(× 10
-4
kg.m
2
)
0.0229 0.04 0.09 0.15 0.352 0.559
Mechanical time
constant (ms)
1.28 0.838 0.64 0.41 0.68 0.44
Torque constant-KT
(N-m/A)
0.241 0.356 0.441 0.479 0.488 0.469
Voltage constant-KE
(mV/rpm)
9.28 13.3 16.4 18 17.9 17
Armature resistance
(Ohm)
12.1 9.47 4.9 2.27 1.6 0.6
Armature inductance
(mH)
18.6 16.2 18.52 10.27 10.6 4.6
Electrical time constant
(ms)
1.54 1.71 3.78 4.52 6.63 7.67
Insulation class
Class A (UL), Class B (CE)
Insulation resistance
> 100 M

, DC 500V
Insulation strength
1.8k Vac, 1 sec
Weight (w/o brake) (kg)
0.38 0.5 1.1 1.4 2.05 2.8
Weight (with brake) (kg)
0.68 0.8 1.6 1.9 2.85 3.6
Max. radial loading (N)
78 78 245 245 392 392
Max. axial loading (N)
54 54 74 74 147 147
Change of rated power
(kW/s) (with brake)
9.9 24 34.1 89.6 39.5 93
Rotor inertia
(× 10
-4
kg.m
2
) (with brake)
0.0255 0.0426 0.12 0.18 0.408 0.614
Mechanical time
constant (ms)
(with brake)
1.44 0.892 0.85 0.5 0.78 0.48
Brake holding torque
[Nt-m (min)]
*2
0.32 0.32 1.3 1.3 2.5 2.5
Brake power
consumption
(at 20˚C)[W]
6.1 6.1 7.2 7.2 8 8
Brake release time
[ms (Max)]
20 20 20 20 20 20
Brake pull-in time
[ms (Max)]
35 35 50 50 60 60
Vibration grade (μm) V15
Operating temperature
(˚C)
0˚C - 40˚C