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MDS-D/DH Series Specifications Manual
4-4 Drive unit
4 - 27
4-4-2 Heating value
The values for the servo drive unit apply at the stall output. The values for the spindle drive unit apply for the 
continuous rated output. The values for the power supply unit include the AC reactor's heating value.
< MDS-D Series >
< MDS-DH Series >
Servo drive unit
Spindle drive unit
Power supply unit
Type
MDS-D-
Heating value 
[W]
Type
MDS-D-
Heating value 
[W]
Type
MDS-D-
Heating value 
[W]
Type
MDS-D-
Heating value 
[W]
Type
MDS-D-
Heating value 
[W]
In-
side 
panel
Out-
side 
panel
In-
side 
panel
Out-
side 
panel
In-
side 
panel
Out-
side 
panel
In-
side 
panel
Out-
side 
panel
In-
side 
panel
Out-
side 
panel
V1-20
18
22
V2-2020
26
44
SP-20
24
31
SP2-2020
28
62
CV-37
20
34
V1-40
20
38
V2-4020
28
60
SP-40
29
65
SP2-4020
33
96
CV-75
24
55
V1-80
25
71
V2-4040
31
75
SP-80
37
121
SP2-4040S
38
130
CV-110
25
99
V1-160
36
148
V2-8040
35
109
SP-160
54
236
SP2-4040
38
130
CV-185
32
161
V1-160W
44
201
V2-8080
40
142
SP-200
78
404
SP2-8040
46
186
CV-300
45
272
V1-320
59
307
V2-16080
51
219
SP-240
100
520
SP2-16080S
70
358
CV-370
53
343
V1-320W
72
399
V2-160160
62
296
SP-320
118
688
SP2-8080
54
242
CV-450
104
392
V2-16160W
77
403
SP-400
148
897
SP2-16080
70
358
CV-550
164
431
SP-640
196
1231
Servo drive unit
Spindle drive unit
Power supply unit
Type
MDS-DH-
Heating value [W]
Type
MDS-DH-
Heating value [W]
Type
MDS-DH-
Heating value [W]
Type
MDS-DH-
Heating value [W]
Inside 
panel
Outside 
panel
Inside 
panel
Outside 
panel
Inside 
panel
Outside 
panel
Inside 
panel
Outside 
panel
V1-10
19
27
V2-1010
28
54
SP-20
32
88
CV-37
20
34
V1-20
22
46
V2-2010
30
74
SP-40
42
158
CV-75
24
55
V1-40
27
87
V2-2020
33
93
SP-80
54
237
CV-110
25
99
V1-80
40
175
V2-4020
39
133
SP-100
73
369
CV-185
32
161
V1-80W
47
222
V2-4040
45
173
SP-160
110
639
CV-300
45
272
V1-160
62
328
V2-8040
57
262
SP-200
126
746
CV-370
53
343
V1-160W
81
461
V2-8080
70
350
SP-320
168
1034
CV-450
104
392
V1-200
105
630
V2-8080W
83
445
SP-480
232
1488
CV-550
164
431
CV-750
228
614
1. Design the panel's heating value taking the actual axis operation (load rate) into consideration.
2. The heating values in the above tables are calculated with the following load rates.
 
POINT
50%
100%
100%
Unit
Load rate
Servo drive unit
Spindle drive unit
Power supply unit