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13 - 6 13. SERVO AMPLIFIERS WI TH A LARGE CAPACITY ( 30k TO 55kW ) (2) Drive unit (a) 200V class Model Item MR-J3-DU30KB MR-J3-DU37KB Control power supply Voltage/frequency 1-phase 200 to 2 30VAC, 50/60Hz Permissible vol…

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13 - 5
13. SERVO AMPLIFIERS WITH A LARGE CAPACITY
(
30k TO 55kW
)
13.1.3 Standard specifications
(1) Converter unit
Model
Item
MR-J3-CR55K MR-J3-CR55K4
Main circuit power
supply
Voltage/frequency 3-phase 200 to 230VAC, 50/60Hz 3-phase 380 to 480VAC, 50/60Hz
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
Permissible voltage
fluctuation
1-phase 170 to 253VAC 1-phase 323 to 528VAC
Permissible frequency
fluctuation
Within
5%
Power consumption 45W
Interface power
supply
Voltage 24VDC
10%
Power supply capacity (Note) 130mA
Rated output 55kW
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 alarm protection, undervoltage, instantaneous power failure protection
Structure Force-cooling, open (IP00)
Environment
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
19.4 [ft/s
2
] or less
Mass
[kg] 25
[lb] 55.1
Note. 130mA 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.
13 - 6
13. SERVO AMPLIFIERS WITH A LARGE CAPACITY
(
30k TO 55kW
)
(2) Drive unit
(a) 200V class
Model
Item
MR-J3-DU30KB MR-J3-DU37KB
Control power
supply
Voltage/frequency 1-phase 200 to 230VAC, 50/60Hz
Permissible voltage
fluctuation
1-phase 170 to 253VAC
Permissible frequency
fluctuation
Within
5%
Power consumption 45W
Main circuit power supply The main circuit power of the drive unit is supplied by the converter unit.
Interface power
supply
Voltage 24VDC
10%
Power supply capacity (Note) 150mA
Control system Sine-wave PWM control, current control system
Dynamic brake External option
Protective function
Overcurrent shut-off, overload shutoff (electronic thermal protector)
Servo motor overheat protection, encoder error protection, undervoltage
Instantaneous power failure protection, overspeed protection
Excessive error protection
Structure Force-cooling, open (IP00)
Environment
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
19.4 [ft/s
2
] or less
Mass
[kg] 26
[lb] 57.3
Note. 150mA 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.
13 - 7
13. SERVO AMPLIFIERS WITH A LARGE CAPACITY
(
30k TO 55kW
)
(b) 400V class
Model
Item
MR-J3-DU30KB4 MR-J3-DU37KB4 MR-J3-DU45KB4 MR-J3-DU55KB4
Control power
supply
Voltage/frequency 1-phase 380 to 480VAC, 50/60Hz
Permissible voltage
fluctuation
1-phase 323 to 528VAC
Permissible frequency
fluctuation
Within
5%
Power consumption 45W
Main circuit power supply The main circuit power of the drive unit is supplied by the converter unit.
Interface power
supply
Voltage 24VDC
10%
Power supply capacity (Note)150mA
Control system Sine-wave PWM control, current control system
Dynamic brake External option
Protective function
Overcurrent shut-off, overload shutoff (electronic thermal protector)
Servo motor overheat protection, encoder error protection, undervoltage
Instantaneous power failure protection, overspeed protection
Excessive error protection
Structure Force-cooling, open(IP00)
Environment
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
19.4 [ft/s
2
] or less
Mass
[kg] 18 26
[lb] 39.7 57.3
Note. 150mA 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.