GADSE03LB22 Sanyo Denki
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The Sanyo Denki GADSE03LB22 is an AC servo amplifier from the G Sanmotion AC Servo Amplifiers series, offering a maximum motor output of 1.5 kW and a continuous output current of 5.2 Arms. It uses a single-phase 100 VAC voltage class, has a power supply capacity of 2.4 kVA, and features a velocity control range of 1:5000 with an input frequency characteristic of 3500 Hz.
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Product Description:
The GADSE03LB22 is an AC servo amplifier manufactured by Sanyo Denki for the G Sanmotion AC Servo Amplifiers series. Positioned between a motion controller and a servomotor, it converts single-phase line power into controlled three-phase output power, delivering the current accuracy required to position tooling, conveyors, or inspection stages with repeatable precision in industrial automation. It fits low-voltage control cabinets used in compact assembly equipment.
The amplifier has a capacity of 30 A, which indicates the upper current level that its power devices can conduct without saturation. During continuous operation, the drive supplies 5.2 Arms to the motor windings, matching the thermal limits of the amplifier heat sink and typical 1 kW-class servomotors. It is designed for a 100 VAC installation and accepts single-phase mains power; the supply must deliver 7.0 Arms of main input current, while the separate control circuit draws 0.3 Arms. The internal frequency response reaches 3500 Hz, allowing tight current loops and minimal phase lag at higher servo gains, while speed regulation is maintained across a 1:5000 velocity range. The apparent power draw is 2.4 kVA, which supports proper cabinet transformer sizing. Sourcing-type general-purpose outputs, a delay-free circuit path, and a connection for an external brake resistor with a minimum resistance of 10 Ω complete the electrical interface.
During acceleration or sudden load changes, the amplifier can deliver a peak current of 16.3 Arms for short intervals, enabling the motor to use its 1.5 kW output rating without saturation. The permitted load inertia is 10 times the rotor inertia, allowing sizable loads to be coupled without compromising speed-loop stability. Excess energy is directed to an external regenerative resistor, which keeps the DC bus voltage controlled during deceleration. This external resistor also prevents regenerated energy from accumulating in the amplifier during repeated braking cycles.
