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Mitsubishi MELSERVO MR-J3 MR-J3-DU30KA4

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MR-J3-DU30KA4

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The MR-J3-DU30KA4 is a servo amplifier from Mitsubishi's MELSERVO MR-J3 series. This amplifier delivers precise control through sine-wave PWM and incorporates a robust current control system. It operates on a voltage class of 400VAC and has a 3-phase output rated voltage of 323VAC, with an output current of 87A.

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Technical specifications for MR-J3-DU30KA4

ManufacturerMitsubishi
Product LineMELSERVO MR-J3
Part NumberMR-J3-DU30KA4
Weight50.00 lbs (22.68 kg)
NameServo Amplifier
Control SystemSine-wave PWM control/current control system
Voltage Class400VAC
Structure (IP Rating)Fan cooling open (IP00)
Mass18 kg
Output Rated Voltage3-phase 323VAC
Output Rated Current87A
Main Circuit Power SupplyThe drive unit's main circuit power is supplied from the converter unit.
Control Power Supply Voltage/Frequency1-phase 380 to 480VAC, 50/60Hz
Control Power Supply Rated Current0.2A
Control Power Supply Permissible Voltage Fluctuation1-phase 323 to 528VAC
Control Power Supply Permissible Frequency FluctuationWithin +/-5%
Control Power Supply Power Consumption45W
Interface Power Supply24VDC ±10% (required current capacity: 0.3A)
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With the MR-J3-DU30KA4, Mitsubishi presents a well-engineered servo amplifier suitable for various applications. This model employs a sine-wave PWM control and a current control system, ensuring efficient motor management. The amplifier is rated for a voltage class of 400VAC and provides a 3-phase output rated at 323VAC, delivering a substantial current of 87A to meet demanding performance needs.

Weighing 18 kg, this unit features an open design with no protective IP rating (IP00). It operates with fan cooling to ensure reliable thermal management during extended use. The converter unit supplies the main circuit power supply for the drive unit, enabling robust integration with existing systems.

For control power, the MR-J3-DU30KA4 accepts an input voltage range from 1-phase 380 to 480VAC, functioning effectively at 50/60Hz. Its control power supply can handle permissible voltage fluctuations from 323 to 528VAC and frequency deviations of +/-5%. The amplifier consumes a control power of 45W while maintaining a rated current of 0.2A during operations. It also requires a 24VDC interface power supply with a required current capacity of 0.3A, ensuring that all operational parameters are met for optimal performance.