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13 - 7 13. SERVO AMPLIFIERS WI TH A LARGE CAPACITY ( 30k TO 55kW ) (b) 400V class Model Item MR-J3-DU30KB4 MR-J3-DU37KB 4 MR-J3-DU45KB4 MR-J3-DU 55KB4 Control power supply Voltage/frequency 1-phase 380 to 4 80VAC, 50/60H…

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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.
13 - 8
13. SERVO AMPLIFIERS WITH A LARGE CAPACITY
(
30k TO 55kW
)
13.1.4 Model definition
(1) Rating plate
Serial number
POWER
MITSUBISHI
AC SERVO
MADE IN JAPAN
MODEL
MR-J3-CR55K
MITSUBISHI ELECTRIC CORPORATION
AC SERVO
PASSED
Applicable power supply
Capacity
Model
Rated output current
: 55kW
:
: A5*******
POWER
: AC200V-230V 50/60HzINPUT
OUTPUT
SERIAL
(2) Model
(a) Converter unit
3-phase 380 to 480VAC
3-phase 200 to 230VAC
Series
Rated output: 55kW
Symbol Power supply
None
4
Power supply
Indicates converter unit.
(b) Drive unit
SSCNET interface
37K
Symbol Power supply
Series
None
4
Symbol
Rated output [kW]
30K 30
Rated output
37
200V class
400V class
Power supply
45K 45
55K 55
37
30
Indicates drive unit.
3-phase 380 to 480VAC
3-phase 200 to 230VAC