Instruction manual

1 - 6
1. FUNCTIONS AND CONFIGURATION
Servo Amplifier
MR-J3-
Item
11KB4 15KB4 22KB4
Voltage/frequency 3-phase 380 to 480VAC, 50/60Hz
Permissible voltage fluctuation 3-phase 323 to 528VAC
Permissible frequency
fluctuation
Within
5%
Power supply capacity Refer to Section 10.2
Power supply
Inrush current Refer to Section 10.5
Voltage/frequenc
y
1-phase 380 to 480VAC, 50/60Hz
Permissible
voltage
fluctuation
1-phase 323 to 528VAC
Permissible
frequency
fluctuation
Within
5%
Input 45W
Control circuit
power supply
Inrush current Refer to Section 10.5
Voltage,
frequency
DC24V
10%
Interface power
supply
Power supply
capacity
(Note) 150mA or more
Control System Sine-wave PWM control, current control system
Dynamic brake External option
Protective functions
Overcurrent shut-off, regenerative overvoltage shut-off, overload shut-off (electronic thermal relay),
servo motor overheat protection, encoder error protection, regenerative brake error protection,
undervoltage, instantaneous power failure protection, overspeed protection, excessive error
protection
Structure Force-cooling, open (IP00)
[ ] (Note 2) 0 to 55 (non-freezing)
During
operation
[
] 32 to 131 (non-freezing)
[ ] 20 to 65 (non-freezing)
Ambient
temperature
In storage
[
] 4 to 149 (non-freezing)
In operation
Ambient
humidity
In storage
90%RH or less (non-condensing)
Ambient
Indoors (no direct sunlight)
Free from corrosive gas, flammable gas, oil mist, dust and dirt
Altitude Max. 1000m (3280ft) above sea level
Environment
Vibration 5.9 [m/s
2
] or less
[kg] 18 18 19
Mass
[lb] 39.68 39.68 41.88
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.