1. FUNCTIONS AND CONFIGURATION 
1 -  12 
 
Model: MR-J4-   
60A4 
(-RJ) 
100A4 
(-RJ) 
200A4 
(-RJ) 
350A4 
(-RJ) 
500A4 
(-RJ) 
700A4 
(-RJ) 
11KA4 
(-RJ) 
15KA4
(-RJ) 
22KA4
(-RJ) 
CE marking       
LVD: EN 61800-5-1 
EMC: EN 61800-3 
MD: EN ISO 13849-1, EN 61800-5-2, EN 62061 
 
Compliance to 
standards 
UL standard     UL 508C   
Structure (IP rating)   
Natural cooling, open 
(IP20) 
Force cooling, open 
(IP20) 
Force cooling, open (IP20) (Note 3) 
Close mounting       Impossible    
 Operation   0 ˚C to 55 ˚C (non-freezing)     
 
Ambient 
temperature 
Storage     -20 ˚C to 65 ˚C (non-freezing)     
Operation   
Ambient 
humidity 
Storage 
    90 %RH or less (non-condensing) 
 
Environment 
Ambience    
Indoors (no direct sunlight), 
free from corrosive gas, flammable gas, oil mist, dust, and dirt 
 
  Altitude        1000 m or less above sea level     
  Vibration resistance    5.9 m/s
2
, at 10 Hz to 55 Hz (directions of X, Y and Z axes)   
Mass   [kg] 1.7  2.1 3.6 4.3 6.5  13.4  18.2 
 
Note   1.  0.5 A is the value applicable when all I/O signals are used. The current capacity can be decreased by reducing the number of 
I/O points. 
    2.  Test pulse is a signal which instantaneously turns off a signal to the servo amplifier at a constant period for external circuit to 
self-diagnose. 
    3.  Except for the terminal block. 
    4.  1 Mpulse/s or lower commands are supported in the initial setting. When inputting commands over 1 Mpulse/s and 4 
Mpulses/s or lower, change the setting in [Pr. PA13]. 
    5.  MR-J4-_A4 servo amplifier is compatible only with two-wire type. MR-J4-_A4-RJ servo amplifier is compatible with two-wire 
type, four-wire type, and A/B/Z-phase differential output type. Refer to table 1.1 for details. 
    6.  Use an external dynamic brake for this servo amplifier. Failure to do so will cause an accident because the servo motor does 
not stop immediately but coasts at emergency stop. Ensure the safety in the entire equipment.