Chapter 11 Specifications
11-6 Revision January 2011
11.2 Specifications of Servo Motors (ECMA Series)
11.2.1 ECMA 220V Series
Low Inertia Series - 220V series
C104
C106 C108 C110
ECMA Series
01
02 04 04 07 10 20
Rated output power (kW) 0.1 0.2 0.4 0.4 0.75 1.0 2.0
Rated torque (N-m)
*1
0.32 0.64 1.27 1.27 2.39 3.18 6.37
Maximum torque (N-m) 0.96 1.92 3.82 3.82 7.16 9.54 19.1
Rated speed (r/min)
3000
Maximum speed (r/min)
5000
Rated current (A) 0.90 1.55 2.60 2.60 5.10 7.30 12.05
Power rating (kW/s) 2.70 4.65 7.80 7.80 15.3 21.9 36.15
Rotor moment of inertia (Kg.m
2
)
(without brake)
27.7 22.4 57.6 24.0 50.4 38.1 90.6
Mechanical time constant (ms) 0.037 0.177 0.277 0.68 1.13 2.65 4.45
Mechanical time constant (ms) 0.75 0.80 0.53 0.74 0.63 0.74 0.61
Torque constant-KT (N-m/A) 0.36 0.41 0.49 0.49 0.47 0.44 0.53
Voltage constant-KE
(mV/(r/min))
13.6 16.0 17.4 18.5 17.2 16.8 19.2
Armature resistance (Ohm) 9.30 2.79 1.55 0.93 0.42 0.20 0.13
Armature inductance (mH) 24.0 12.07 6.71 7.39 3.53 1.81 1.50
Armature inductance (mH) 2.58 4.30 4.30 7.96 8.37 9.30 11.4
Insulation class Class A (UL), Class B (CE)
Insulation resistance
>100M, DC 500V
Insulation strength 1500V AC, 60 seconds
Weight (kg) (without brake) 0.5 1.2 1.6 2.1 3.0 4.3 6.2
Weight (kg) (with brake) 0.8 1.5 2.0 2.9 3.8 4.7 7.2
Max. radial shaft load (N) 78.4 196 196 245 245 490 490
Max. thrust shaft load (N) 39.2 68 68 98 98 98 98
Power rating (kW/s) (with brake)
25.6 21.3 53.8 22.1 48.4 30.4 82.0
Rotor moment of inertia (Kg.m
2
)
(with brake)
0.04 0.19 0.30 0.73 1.18 3.33 4.95
Mechanical time constant (ms)
(with brake)
0.81 0.85 0.57 0.78 0.65 0.93 0.66
Brake holding torque [Nt-m
(min)]
0.3 1.3 1.3 2.5 2.5 8.0 8.0
Call 1(800)985-6929 for Sales
Call 1(800)985-6929 for Sales
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