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11. CHARACTERISTICS
11.2 Power supply equipment capacity and generated loss
(1) Amount of heat generated by the servo amplifier
Table 11.1 indicates servo amplifiers' power supply capacities and losses generated under rated load.
For thermal design of an enclosure, use the values in Table 11.1 in consideration for the worst
operating conditions. The actual amount of generated heat will be intermediate between values at
rated torque and servo off according to the duty used during operation. When the servo motor is run at
less than the maximum speed, the power supply capacity will be smaller than the value in the table,
but the servo amplifier's generated heat will not change.
Table 11.1 Power supply capacity and generated heat per servo amplifier at rated output
Servo amplifier
Servo motor
HC-KFS053 13
MR-J2S-10B(1)
HC-MFS053 13
HC-UFS13
HC-KFS23
MR-J2S-20B(1)
HC-MFS23
HC-UFS23
HC-KFS43
MR-J2S-40B(1)
HC-MFS43
HC-UFS43
HC-SFS52
MR-J2S-60B
HC-SFS53
HC-LFS52
HC-KFS73
MR-J2S-70B
HC-MFS73
HC-UFS72 73
HC-SFS81
MR-J2S-100B
HC-SFS102 103
HC-LFS102
HC-SFS121
HC-SFS201
HC-SFS152 153
HC-SFS202 203
MR-J2S-200B
HC-RFS103
HC-RFS153
HC-UFS152
HC-LFS152
HC-SFS301
HC-SFS352 353
MR-J2S-350B
HC-RFS203
HC-UFS202
HC-LFS202
(Note 1)
Power supply
Servo amplifier-generated heat[W]
capacity[kVA]
At rated torque
0.3
25
0.3
25
0.3
25
0.5
25
0.5
25
0.5
25
0.9
35
0.9
35
0.9
35
1.0
40
1.0
40
1.0
40
1.3
50
1.3
50
1.3
50
1.5
50
1.7
50
1.7
50
2.1
90
3.5
90
2.5
90
3.5
90
1.8
50
2.5
90
2.5
90
2.5
90
4.8
120
5.5
130
3.5
90
3.5
90
3.5
90
11 - 2
(Note 2)
Area required for heat dissipation
With servo off
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
20
20
20
20
15
20
20
20
20
20
20
20
20
[m
]
[ft
]
2
2
0.5
5.4
0.5
5.4
0.5
5.4
0.5
5.4
0.5
5.4
0.5
5.4
0.7
7.5
0.7
7.5
0.7
7.5
0.8
8.6
0.8
8.6
0.8
8.6
1.0
10.8
1.0
10.8
1.0
10.8
1.0
10.8
1.0
10.8
1.0
10.8
1.8
19.4
1.8
19.4
1.8
19.4
1.8
19.4
1.0
10.8
1.8
19.4
1.8
19.4
1.8
19.4
2.7
29.1
2.7
29.1
1.8
19.4
1.8
19.4
1.8
19.4
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