9-13    
 
JSMA-P□□□□ 
Motor Mode  Symbol Unit 
MH30B  MH44B  MH55B  MH75B 
Drive Model  35B 50B  75B  100B 
Rated Output  P
R
  KW 3  4.4  5.5  7.5 
Rated Torque  T
R
 
N.m
19.1   28.0   35.1   47.8  
Max. Torque  T
max
 
N.m
47.8   70.0   87.8   119.5  
Rated Speed  N
R
  rpm 1500 
Max. Speed  N
max
  rpm 2000 
Rated Current  I
R
  A  8.0   11.5   16.0   22.0  
Max. Armature Current  I
max
  A  20.8   29.9   41.6   57.2  
Torque Constant  K
T
 
N.m/A
2.39   2.43   2.19   2.17  
Rotor Moment of Inertia  J
M
 
Kg.cm
2
43.70   61.77   77.98   112.20  
Armature Resistor  Ra  Ω  0.64   0.38   0.20   0.12  
Armature Inductance  La  mH  14.94   9.34   5.00   3.19  
Mechanical Time Constant  Tm  ms  0.75   0.60   0.48   0.44  
Electrical Time Constant  Te  ms  23.45   24.51   25.63   26.82  
Weight(Standard)  W  kgw  17.5   22.5   27.0   36.5  
Insulation Grade  ─  ─ 
Class F (155℃) 
Operating Ambient Temp.  T 
℃ 
0 ~ 40 
Operating Ambient Humidity  RH  % <90 
Storage Temp.  T 
℃ 
-20 ~ 60 
Storage Humidity  RH  % <90 
1( kgf‧cm)=0.0980665(N‧m)   ;   1(gf‧cm‧s
2
)=0.980665(kg‧cm
2
)