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5 CHARACTERISTICS
5.2 Power supply capacity and generated loss
Generated loss
Servo amplifier generated heat
The following tables indicate the losses generated by servo amplifiers under rated load. For thermal design of an enclosed
type cabinet, use the values in the tables in consideration for the worst operating conditions. The actual amount of generated
heat depends on the frequency of operation and will be between the "At rated output" and "At servo-off" values.
■1-axis servo amplifier
■Multi-axis servo amplifier
*1 The values stated for heat generated by the servo amplifier do not take into account the heat generated during regeneration. To
calculate heat generated by the regenerative option, refer to the following.
Page 160 Regenerative option
Servo amplifier Servo amplifier-generated heat [W]
*1
Area required for heat
dissipation [m
2
]
At rated output At servo-off
MR-J5-10_ 25 15 0.5
MR-J5-20_ 25 15 0.5
MR-J5-40_ 35 15 0.7
MR-J5-60_ 40 15 0.8
MR-J5-70_ 50 15 1.0
MR-J5-100_ 50 15 1.0
MR-J5-200_ 90 20 1.8
MR-J5-350_ 130 20 2.6
MR-J5-500_ 195 25 3.9
MR-J5-700_ 300 25 6.0
Servo amplifier Servo amplifier-generated heat [W]
*1
At rated output At servo-off
MR-J5W2-22G_ Connected to one axis: 30
Connected to two axes: 40
20
MR-J5W2-44G_ Connected to one axis: 40
Connected to two axes: 60
20
MR-J5W2-77G_ Connected to one axis: 55
Connected to two axes: 90
20
MR-J5W2-1010G_ Connected to one axis: 55
Connected to two axes: 90
20
MR-J5W3-222G_ Connected to one axis: 35
Connected to two axes: 45
Connected to three axes: 55
25
MR-J5W2-444G_ Connected to one axis: 45
Connected to two axes: 65
Connected to three axes: 85
25
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