QS1A05AJ04E0MB00 Sanyo Denki
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The Sanyo Denki QS1A05AJ04E0MB00 is a servo amplifier from the Q SANMOTION Servo Amplifiers series with a capacity of 50 Amps and a built-in dynamic brake. It supports speed, torque, and position control functions and uses IGBT PWM sinusoidal drive technology. The amplifier is powered by AC200V, has an overall height of 168 mm, depth of 160 mm, and weighs 1.3 kg.
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Product Description:
The QS1A05AJ04E0MB00 is a servo amplifier manufactured by Sanyo Denki within the Q SANMOTION Servo Amplifiers series. This rack-mount module converts fixed mains power into controlled three-phase current so that a motion controller can drive brushless servomotors in automated equipment. Integrated braking and regeneration hardware allows the amplifier to dissipate returned energy internally, reducing the number of components required in the panel.
The amplifier delivers an output capacity of 50 A, which is sufficient to drive medium-frame servomotors without saturating the current loop. The input section accepts a three-phase 200 V AC supply, while an IGBT PWM sinusoidal drive topology minimizes harmonic distortion and maintains efficient operation. Speed regulation spans a ratio of 1:5000, allowing the same motor to index slowly during setup and accelerate to full line speed without gear changes. During energization, the main power bus draws a peak current of 18 A (0-P), whereas the control circuit briefly draws 40 A of inrush current. These values assist with circuit-breaker sizing and soft-start selection. The frequency response reaches 600 Hz, enabling responsive torque control in lightly damped mechanisms. Leakage current remains below 1.5 mA to support safe operation.
To manage regenerative energy, the amplifier contains a 17 Ω resistor and engages the brake chopper in less than 10 ms. This network can absorb up to 1800 J per event, preventing DC overvoltage during rapid deceleration of high-inertia loads. A built-in dynamic brake complements the resistive path and remains available whenever mains power is present. The regeneration process activates automatically under back-EMF conditions. The enclosure measures 168 mm in height and 160 mm in depth, which supports compact cabinet layouts for multi-axis installations. It weighs 1.3 kg, easing slide-in installation and reducing the load placed on its mounting hardware. Simultaneous speed, torque, and position control functions allow the amplifier to maintain command accuracy throughout varied machine cycles.
