QS1A05AJ04E0MB01 Sanyo Denki
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The Sanyo Denki QS1A05AJ04E0MB01 is a servo amplifier from the Q SANMOTION Servo Amplifiers series and has an amplifier capacity of 50 Amps with a control power type of AC single-phase. It features a built-in dynamic brake and regen resistance, along with a speed control range of 1 to 5000. The unit has a mass of 2.2 kilograms and operates with an input voltage class of 200 V.
Internal Product Review
The QS1A05AJ04E0MB01 is a Sanyo Denki servo amplifier built for 200 V systems with speed/torque/position control. The IGBT PWM sinusoidal drive and 600 Hz frequency characteristics give this unit excellent response quality and stable motion behavior. A built-in dynamic brake with 10 ms delay is a standout feature for precise stopping performance.
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Product Description:
The QS1A05AJ04E0MB01 servo amplifier is produced by Sanyo Denki for the Q SANMOTION Servo Amplifiers series. It interfaces between a motion controller and a servomotor, converting single-phase AC line power into precisely modulated output so industrial axes follow commanded position, speed, or torque profiles. Speed, torque, and position control modes are selectable, and the single-phase AC control supply simplifies cabinet wiring.
The power stage can deliver up to 50 A of continuous motor current while operating within the 200 V input class. An IGBT PWM sinusoidal drive topology keeps harmonic content low and supports a frequency response of up to 600 Hz, giving the controller precise authority over fast indexing moves. Within its closed-loop speed regulator, the amplifier maintains a control span of 1:5000, allowing accurate feedback from near-stall operation through maximum base speed. During power-up, charging of the DC bus is limited by a control-circuit inrush current of 40 A (0-P), while a separate main inrush path of 18 A (0-P) protects upstream circuit breakers. A built-in dynamic brake engages 10 ms after a stop command. An internal regeneration circuit dissipates surplus kinetic energy without requiring external hardware.
The regeneration path uses a resistor with a resistance of 17 Ω and can absorb up to 1800 J during each braking event, preventing DC bus overvoltage when high-inertia loads decelerate. Leakage current to ground is limited to 1.5 mA per connected motor, supporting compliance with applicable personnel protection requirements. The unit has a mass of 2.2 kg, which reduces the load placed on mounting panels in compact machines. Convection cooling removes operating heat without requiring a dedicated cooling fan. The integrated braking and regeneration functions support controlled deceleration while limiting voltage rise within the DC bus.
