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MR-J3-100A

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The MR-J3-100A is a servo amplifier manufactured by Mitsubishi Electric. It is designed to provide precise control and drive capabilities for servo motors in various industrial applications. The servo amplifier operates with an output voltage rating of 170V AC, 3-phase. It has a rated output current of 6A. The main circuit voltage rating is 200 to 230V AC, 3-phase, at 50/60Hz. The rated current for the main circuit is 5A. For the control circuit power supply, the MR-J3-100A is rated for 200 to 230V AC input, 1-phase, at 50/60Hz. The control circuit current rating is specified as 0.2A, representing the current consumption of the control circuitry. The control circuit power consumption is stated as 30W, indicating the power required for the control system to operate. The control system of the servo amplifier utilizes sine-wave PWM (Pulse Width Modulation) control, combined with a current control system. This enables precise control and regulation of motor speed and torque. The MR-J3-100A servo amplifier is equipped with a built-in dynamic brake, which helps in dissipating excess energy and ensuring quick deceleration of the servo motor. The MR-J3-100A has an open structure with an IP rating of IP00, and it has a force-cooling option. The servo amplifier features a 5-digit, seven-segment LED display for easy monitoring and configuration of operating parameters. It also includes a built-in regenerative resistor with a capacity of 20W, allowing for energy regeneration during motor braking or deceleration. The inverse efficiency of the servo amplifier is specified as 80%, indicating the efficiency of converting electrical input power into mechanical output power. For safety, the MR-J3-100A supports a fuse rated at 300VAC and 20A for protection against overcurrent. The discharge time for the capacitors is 5 minutes for safe maintenance and servicing procedures.

Technical Specifications for MR-J3-100A

Type:Servo amplifier
Output Voltage:170 V AC, 3 phase
Rated output current:6A
Main circuit power supply:3-phase 200 to 230VAC, 50/60Hz
Rated current (main circuit):5A
Control circuit power supply:1-phase 200 to 230VAC, 50/60Hz
Control circuit rated current:0.2A
Control circuit power consumption:30 W
Control System:Sine-wave PWM control, the current control system
Dynamic brake:Built-in
Display:5-digit, seven-segment LED
StructureForce-cooling, open (IP rating: IP00)
Mass:1.4 kg

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Rockwell Disclaimer: The product is used surplus. PDF Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because PDF Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, PDF Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. PDF Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. PDF Supply also makes no representations as to your right to install any such firmware on the product. PDF Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.