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Mitsubishi MELSERVO MR-J3 MR-J3-350BS4

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MR-J3-350BS4

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The MR-J3-350BS4 from Mitsubishi is engineered as part of the MELSERVO MR-J3 series. With a power output of 3.5 kilowatts and compatibility with HF-JP and HF-SP series servo motors, this unit operates optimally in the specified voltage range of 380 to 480 volts AC. It features extensive safety mechanisms and a dynamic braking unit, ensuring reliable performance under various operational conditions.

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Technical specifications for MR-J3-350BS4

ManufacturerMitsubishi
Product LineMELSERVO MR-J3
Part NumberMR-J3-350BS4
Weight6.00 lbs (2.72 kg)
Cooling MethodForced ventilation cooling
Power Supply Voltage380 to 480 Volts AC
Output Power Rating3.5 kilowatts
Rated Current8.6 Amperes
Power Consumption45 Watts
Type of InterfaceSSCNET III/H
Safety FeaturesOvervoltage protection, undervoltage protection, overcurrent protection, overload protection, overspeed protection, instantaneous power failure protection, regenerative error protection, and encoder error protection
Braking UnitBuilt-in dynamic brake
Control MethodSine wave pulse width modulation (PWM) control and current control
Input Current Consumption7.9 Amperes
CompatibilityHF-JP and HF-SP series servo motors
Enclosure RatingIP00 (open enclosure)
Number of Inputs/Outputs4 digital inputs, 2 digital outputs, 1 digital relay output, and 2 analog outputs
Input Frequency50 to 60 Hertz
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The Mitsubishi MR-J3-350BS4, belonging to the MELSERVO MR-J3 lineup, serves as a robust servo drive built for demanding applications. This unit measures 9.84 inches tall, 5.12 inches wide, and 7.87 inches deep, making it a compact option within control setups. It employs forced ventilation for cooling, promoting effective thermal regulation during operation.

Providing an output power rating of 3.5 kilowatts, the servo drive requires a supply voltage between 380 and 480 volts AC. Rated at 8.6 amperes, it has an input current consumption of 7.9 amperes, translating to a power usage of 45 watts, ensuring efficient performance.

For precise control, the MR-J3-350BS4 employs sine wave pulse width modulation (PWM) control and current control methods. Additionally, it comes with a built-in dynamic braking unit designed to enhance operational safety. The servo drive incorporates a multitude of safety measures—overvoltage, undervoltage, overcurrent, overload, overspeed, instantaneous power failure, regenerative error, and encoder error protections—all designed to maintain operational integrity and safeguard the connected equipment.

This model features an open enclosure with an IP00 rating, which may necessitate additional protective measures depending on the installation environment. The number of I/O configurations includes 4 digital inputs, 2 digital outputs, and 1 digital relay output, along with 2 analog outputs, offering versatility in control and monitoring applications. Operating within an input frequency range of 50 to 60 hertz complements its capability, ensuring a broad range of compatibility and ease of integration.