Servo amplifier for 3 kW-class motor control
The Mitsubishi MR-JE-300A is a servo amplifier from the MR-JE-_A series, rated for 11.0 A continuous output current and accepting a 3-phase 170 V AC to 264 V AC input. That output current maps to roughly a 3 kW servo motor on a 200 V-class line — the common sizing for packaging, material handling, and general-purpose motion axes. The built-in dynamic brake handles emergency deceleration without an external resistor module, which simplifies panel wiring and saves a DIN-rail slot.
Sine-wave PWM control — what that means for motor performance
Control method is sine-wave PWM with current control, which delivers smooth torque down to low speeds and reduces audible motor noise compared to six-step drives. The current control loop regulates the motor phase currents directly, giving tighter speed and torque regulation — important for applications like indexing conveyors or winding where velocity ripple matters.