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13. CHARACTERISTICS
13.2 Power supply equipment capacity and generated loss
(1) Amount of heat generated by the servo amplifier
Table 13.1 indicates servo amplifiers' power supply capacities and losses generated under rated load.
For thermal design of an enclosure, use the values in Table 13.1 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 13.1 Power Supply Capacity and Generated Heat Per Servo Amplifier at Rated Output
Servo Amplifier
MR-J2-10C
MR-J2-20C
MR-J2-40C
MR-J2-60C
HC-,MF-70C
MR-J2-100C
MR-J2-200C
MR-J2-350C
Note: 1. Note that the power supply capacity will vary according to the power supply impedance. This value assumes that the
power factor improving reactor is not used.
2. Heat generated during regeneration is not included in the servo amplifier-generated heat. To calculate heat generated by
the regenerative brake option, use in Section 14.1.1.
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(Note.1)
Servo Motor
Power Supply
Capacity[kVA]
HC-MF053 13
0.3
HA-FF053 13
0.3
HC-UF13
0.3
HC-MF23
0.5
HA-FF23
0.5
HC-UF23
0.5
HC-MF43
0.9
HA-FF33
0.7
HA-FF43
0.9
HC-UF43
0.9
HA-FF63
1.1
HC-SF52
1.0
HC-SF53
1.0
HC-UF72 73
1.3
HC-MF73
1.3
HC-SF81
1.7
HC-SF102 103
1.7
HC-SF121
2.1
HC-SF201
3.5
HC-SF152 153
2.5
HC-SF202 203
3.5
HC-RF103
1.7
HC-RF153
2.5
HC-UF152
2.5
HC-SF301
4.8
HC-SF352 353
5.5
HC-RF203
3.5
HC-UF202
3.5
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(Note.2)
Servo Amplifier-Generated Heat[W]
At rated torque
With servo off
25
15
25
15
25
15
25
15
25
15
25
15
35
15
35
15
35
15
35
15
40
15
40
15
40
15
50
15
50
15
50
15
50
15
90
20
90
20
90
20
90
20
90
20
90
20
90
20
120
20
130
20
90
20
90
20
13 - 3
Area Required for Heat Dissipation
2
2
[m
]
[ft
]
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
0.7
7.5
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
1.8
19.4
1.8
19.4
1.8
19.4
1.8
19.4
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
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