11. OPTIONS AND AUXILIARY EQUIPMENT 
 
11 -  38 
 
2-d mounting hole
(Varnish is removed from right mounting
hole (face and  back side).) (Note 1)
W ± 2
W1
H
Max. D
PP1
Fig. 11.1 
 
4-d mounting hole
(Varnish is removed from front right mounting
hole (face and  back side).) (Note 1)
W ± 2
W1
H
D1
D3
Max. D
D2
PP1
Fig. 11.2 
(Note 2)
Servo amplifier
P3
P4
FR-HEL
5 m or less
 
Note   1. 
 2. 
Use this for grounding. 
When using the Power factor improving DC reactor, remove the short bar across P3-P4. 
 
Dimensions [mm] 
Servo amplifier 
Power factor 
improving DC 
reactor 
Dimens
ions 
W W1 H
D (Note 
1) 
D1 D2 D3 d
Terminal 
size 
Mass 
[kg] 
Wire [mm
2
] 
(Note 2) 
MR-J4-10A, 
MR-J4-20A 
FR-HEL-0.4K 70 60 71 61 21 M4 M4 0.4 
MR-J4-40A FR-HEL-0.75K  85 74 81 61  21 M4 M4 0.5 
MR-J4-60A, 
MR-J4-70A 
FR-HEL-1.5K 85 74 81 70 30 M4 M4 0.8 
MR-J4-100A FR-HEL-2.2K 
Fig. 
11.1 
85 74 81 70 
 
30
 
M4 M4 0.9 
MR-J4-200A FR-HEL-3.7K    77 55 92 82 66 57 37 M4 M4  1.5 
2 (AWG 14) 
MR-J4-350A  FR-HEL-7.5K  86  60 113 98  81 72 43 M4 M5  2.5  3.5 (AWG 12)
MR-J4-500A FR-HEL-11K 
Fig. 
11.2 
105  64 133 112  92 79 47 M6 M6  3.3  5.5 (AWG 10)
MR-J4-700A  FR-HEL-15K    105  64 133 115  97 84 48.5 M6 M6  4.1  8 (AWG 8) 
 
Note   1. 
 2. 
Maximum dimensions The dimension varies depending on the bending degree of the input/output line. 
Selection condition of wire size is as follows. 
600 V grade heat-resistant polyvinyl chloride insulated wire (HIV wire) 
Construction condition: One wire is constructed in the air.