10-12
 
 
10-3 Servo Motor Specifications 
 
 
JSMA Low Inertia Series 
JSMA- P
口口口口
A 
Symbol  Unit  UCP5  UC01  UC02  UC04  UC08  LC03  LC08 
Rated Output Power  P
R
 KW 0.05 0.1  0.2  0.4 0.75 0.3 0.75 
Rated Torque  T
R
 N*M 0.16 0.032 0.64  1.27  2.39  0.95  2.39 
Instantaneous Maximum Torque  T
max
 N*M 0.48 0.095 1.91  3.81  7.16  2.86  7.16 
Rated Speed  N
R
 rpm  3000 
Instantaneous Maximum Rotational Speed  N
max
 rpm 6000 6000 6000 6000 5000 4500 3800 
Rated Phase Current  I
R
 A 1  1 1.6 2.6 4.3 2 3.75 
Instantaneous Maximum Current  I
max
 A  3  3  4.8  8.1  14  6  11.25 
Torque Constant  K
T
 N*m/A 0.16 0.32 0.46 0.49 0.56 0.52 0.77 
Rotor Inertia  J
M
 Kg*cm
2
0.028 0.041 0.17 0.28 0.9 0.68 2.46 
Motor Impedance  Ω  Ra 12.9 20.5  6.4  3.15 1.48 5.58 2.18 
Motor Inductive Reactance  mH  La  14.8  27.5  16.2  11  10.1  11.6  7.7 
Weight (standard)  W Kgw 0.35 0.48  1  1.37 2.4 1.59 3.05 
Insulation Class  -  -  Class F 
Operating Temperature  T  °C  0~40 
Operating Humidity  RH  %  <80 
Storage Temperature  T  °C  -20 - 60 
Storage Humidity  RH  %  <80 
 
 
 
JSMA Medium Inertia 
Series 
JSMA- P
口口口口
A 
Symbol  Unit  MB10  MB15 MB20 MB30 IH30  IH44  IH55  IH75  MH110 MH150
Rated Output Power  P
R
 KW 1.0 1.5 2.0 3.0  3  4.4 5.5 7.5  11  15 
Rated Torque  T
R
  N*M 4.78 7.16 9.55 14.33 19.1  28  35.1 47.8  70  95.5 
Instantaneous 
Maximum Torque 
T
max
  N*M  14.33 21.49 28.65 42.69 47.75 70  87.75 122.6  175  214 
Rated Speed  N
R
  rpm  2000 2000 2000 2000 1500 1500 1500 1500 1500 1500 
Instantaneous 
Maximum Rotational 
Speed 
N
max
  rpm  2800 2800 2500 2500 2000 2000 2000 2000 2000 2000 
Rated Phase Current  I
R
  A  5.16 7.57 9.18 14.0  16  23.6 28.5 38.6  56  38 
Instantaneous 
Maximum Current 
I
max
 A 15.50 22.71 27.50 42.00 40 59 71.2 99.1 140 84.7 
Torque Constant  K
T
 N*m/A 1.02 1.04 1.14 1.13 1.19 1.19 1.23 1.24 1.37  2.51 
Rotor Inertia  J
M
 Kg*cm
2
 6.26  8.88  12.14 17.92 39.95 59.17 77.9  108.4 152.86 235.2 
Motor Impedance  Ω  Ra  1.22 0.79 0.58 0.33 0.275 0.167 0.129 0.1  0.07  0.15 
Motor Inductive 
Reactance 
mH La  6.7 4.7 3.8 2.1 6.8 4.3 3.2 2.5 2.03 5.24 
Weight (standard)  W  Kgw 6.47 8.08 10.16 13.87 16.9 22.1 27.1 T.B.D 46.8 70.5 
Insulation Class  -  -  ClassB  ClassF 
Operating Temperature  T  °C  0~40 
Operating Humidity  RH  %  <90 
Storage Temperature  T  °C  -20 – 60 
Storage Humidity  RH  %  <90  <80  <90 
 
 
Low Inertia Series 
Medium Inertia Series