Specifications
Options
79
● Optional regeneration unit
Servo-amp model
(MR-J2S-)
Built-in
regenerative resistor/
tolerable regenerative
power (W)
Standard accessory (external regenerative resistor)/tolerable regenerative power (W)
GRZG400-
10A(1)/B(1)/CP(1)/CL(1)
20A(1)/B(1)/CP(1)/CL(1)
40A(1)/B(1)/CP(1)/CL(1)
60A/B/CP/CL
70A/B/CP/CL(-UM)
100A/B/CP/CL
200A/B/CP/CL
350A/B/CP/CL
500A/B/CP/CL
700A/B/CP/CL
11KA/B
15KA/B
22KA/B
30KA/B
37KA/B
60A4
100A4
200A4
350A4
500A4
700A4
11KA4/B4
15KA4/B4
22KA4/B4
30KA4/B4
37KA4/B4
45KA4/B4
55KA4/B4
—
10
10
10
20
20
100
100
130
170
—
—
—
—
—
10
20
100
100
130
170
—
—
—
—
—
—
—
5Ω✕4
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
500 (800)
—
—
—
—
—
—
2.5Ω✕5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
850 (1300)
—
—
—
—
—
2Ω✕5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
850 (1300)
—
—
—
—
2Ω✕4
—
—
—
—
—
—
—
—
—
—
500 (800)
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1Ω✕5
—
—
—
—
—
—
—
—
—
—
—
850 (1300)
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.8Ω✕5
—
—
—
—
—
—
—
—
—
—
—
—
850 (1300)
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
ø6 (0.236)
mounting hole
LA
LB
LD
1.6 (0.06)
LC
6 (0.24)
TE1
6 (0.24)
156 (6.14)
12 (0.47) 144 (5.67)
6 (0.24)
168 (6.61)
12 (0.47)
20
(0.79)
5
(0.20)
Type
MR-RB032
MR-RB12
Variable dimensions
LA
30 (1.18)
40 (1.57)
LB
15 (0.59)
15 (0.59)
LC
119 (4.69)
169 (6.65)
LD
99 (3.90)
149 (5.87)
Mass
kg (lb)
Mass
kg (lb)
Mass
kg (lb)
0.5 (1.1)
1.1 (2.4)
Type
MR-RB30
MR-RB31
MR-RB32
2.9 (6.4)
2.9 (6.4)
2.9 (6.4)
Type
MR-RB50
MR-RB51
5.6 (12.3)
5.6 (12.3)
318 (12.52)
3.2 (0.13)
17
(0.67)
150 (5.91)
125 (4.92)
10 (0.39)
90 (3.54)
7 (0.28)
79 (3.11)
100 (3.94)
Terminal
block
2.3 (0.09)
200 (7.87)
350 (13.78)
325 (12.80)
17
(0.67)
12
(0.47)
116 (4.57)
128 (5.04)
7 (0.28)
7 (0.275)✕14 (0.551)
long hole
Terminal
block
Servo-amp
5 m (16.4 ft) or less
(Note 2)
(Note 2)
(Note 1)
(Note 1)
Fan
Fan
Optional
regeneration unit
Always disconnect the wire across P-D.
D
P
P
C
G3
G4
C
Notes: 1.
2.
When using the MR-RB50, always forcibly cool with
the cooling fan (approx. 1.0m
3
/min, M92).
Create a sequence that turns OFF the magnetic
contactor (MC) when abnormal overheating occurs.
Notes: 1.
2.
When using the MR-RB50 and MR-RB51, always
forcibly cool with the cooling fan (approx. 1.0m
3
/min,
M92).
Create a sequence that turns OFF the magnetic
contactor (MC) when abnormal overheating occurs.
5 m (16.4 ft) or less
Optional
regeneration unit
P
P
G3
G4
C
C
Servo-amp
Always disconnect the wire for the servo
amplifier's built-in regenerative resistor
(across P-C).
External dimensions ConnectionsUnit: mm (inch)
● MR-RB032, MR-RB12 ● MR-RB30, MR-RB31, MR-RB32
● MR-J2S-350M or smaller
● MR-J2S-500M, 700M
● MR-RB50, MR-RB51
<Terminal arrangement>
G4
G3
C
P
Screw size: M3
TE1
<Terminal arrangement>
G4
G3
C
P
Screw size: M4
<Terminal arrangement>
G4
G3
C
P
Screw size: M4
Notes: 1. The tolerable regenerative power in the table differs from the regenerative resistor’s rated wattage.
2. For the values given in parentheses, install cooling fans (approx. 1.0m
3
/min, M92✕2 units), and change parameter No. 0 (for MR-J2S-A type) or No. 2 (for MR-J2S-B type).