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Mitsubishi MELSERVO MR-J3 MR-J3-DU30KB4

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MR-J3-DU30KB4

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The MR-J3-DU30KB4 model is a servo amplifier from Mitsubishi's MELSERVO MR-J3 series. It supports a voltage class of 400VAC and is designed with an open structure for fan cooling. This amplifier delivers an output rated voltage of 3-phase 323VAC.

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Technical specifications for MR-J3-DU30KB4

ManufacturerMitsubishi
Product LineMELSERVO MR-J3
Part NumberMR-J3-DU30KB4
Weight40.00 lbs (18.14 kg)
Product NameServo Amplifier
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)
Control SystemSine-wave PWM control/current control system
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Mitsubishi's MR-J3-DU30KB4 is classified as a servo amplifier within the MELSERVO MR-J3 series. This device can efficiently handle a voltage class of 400VAC, supporting high-performance applications. It features a fan cooling mechanism in an open design, marked with an IP00 rating, which indicates no specific external protection against dust or water ingress. With a mass of 18 kg, this amplifier is substantial in build.

The output rated voltage of the MR-J3-DU30KB4 stands at 3-phase 323VAC. It delivers a robust output current rated at 87A, enabling it to drive motors or other devices effectively. Power for the main circuit is directly sourced from a dedicated converter unit, ensuring a steady supply for operations.

The unit operates within a voltage range between 380 to 480VAC for its control power supply at either 50 or 60 Hz. This control supply requires a rated current of just 0.2A while accommodating permissible voltage fluctuations between 323 and 528VAC. A frequency deviation of +/-5% is also acceptable for proper function. Additionally, the power consumption for the control supply is rated at 45W, highlighting energy efficiency.

The interface power supply operates at 24VDC with a tolerance of ±10%, requiring a capacity of 0.3A. Finally, the control system employs sine-wave PWM control and a current control system to ensure optimal operational performance and responsiveness.