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15. SERVO AMPLIFIERS WITH A LARGE CAPACITY
(
30k TO 55kW
)
15.1.3 Standard specifications
(1) Converter unit
Converter unit
Item
MR-J3-CR
55K 55K4
Output
Rated voltage 283 to 326VDC 538 to 678VDC
Rated current [A] 215.9 113.8
Main circuit power
supply
Voltage, frequency 3-phase 200 to 230VAC, 50/60Hz 3-phase 380 to 480VAC, 50/60Hz
Rated current [A] 251.1 132.2
Permissible voltage
fluctuation
3-phase 170 to 253VAC 3-phase 323 to 528VAC
Permissible frequency
fluctuation
Within
5
Control power
supply
Voltage, frequency 1-phase 200 to 230VAC, 50/60Hz 1-phase 380 to 480VAC, 50/60Hz
Rated current [A] 0.3 0.2
Permissible voltage
fluctuation
1-phase 170 to 253VAC 1-phase 323 to 528VAC
Permissible frequency
fluctuation
Within
5
Power consumption [W] 45
Interface power
supply
Voltage 24VDC
10
Power supply capacity
[A]
(Note) 0.13
Rated output [kW] 55
Regenerative power
(Using regenerative option)
One MR-RB139: 1300W
Three MR-RB137: 3900W
One MR-RB136-4: 1300W
Three MR-RB138-4: 3900W
Protective function
Regenerative overvoltage shutoff, overload shutoff (electronic thermal protector)
Regenerative error protection, undervoltage, instantaneous power failure protection
Compliance to standards
CE (LVD: IEC/EN 50178, EMC: IEC/EN 61800-3)
UL (UL 508C)
Structure Force-cooling, open (IP rating: IP00)
Environmental conditions
Ambient
temperature
In operation
[
] 0 to 55 (non-freezing)
[ ] 32 to 131 (non-freezing)
In storage
[
] 20 to 65 (non-freezing)
[ ] 4 to 149 (non-freezing)
Ambient
humidity
In operation
90
RH or less (non-condensing)
In storage
Ambient
Indoors (no direct sunlight)
Free from corrosive gas, flammable gas, oil mist, dust and dirt
Altitude Max. 1000m above sea level
Vibration 5.9 [m/s
2
] or less at 10 to 55Hz (directions of X, Y and Z axes)
Mass
[kg] 25
[lb] 55.1
Note. 0.13A is the value applicable when all I/O signals are used. The current capacity can be decreased by reducing the number of I/O
points.