11. OPTIONS AND PERIPHERAL EQUIPMENT 
11 -  8 
 
11.2 Regenerative option 
 
CAUTION 
Do not use servo amplifiers with regenerative options other than the combinations 
specified below. 
Otherwise, it may cause a fire. 
 
11.2.1 Combination and regenerative power 
The power values in the table are resistor-generated powers and not rated powers. 
 
Servo 
amplifier 
    Regenerative power [W]     
Built-in 
regenerative 
resistor 
MR-RB032 
[40 Ω] 
MR-RB12 
[40 Ω] 
MR-RB30 
[13 Ω] 
MR-RB32 
[40 Ω] 
(Note) 
MR-RB50 
[13 Ω] 
MR-JE-10B  30  
MR-JE-20B   30 100       
MR-JE-40B 10  30  100       
MR-JE-70B 20 30 100  300  
MR-JE-100B 20 30 100  300  
MR-JE-200B 100    300  500 
MR-JE-300B 100    300  500 
 
Note. 
lways install a cooling fan.