GADSA02LH24 Sanyo Denki
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The Sanyo Denki GADSA02LH24 is an AC servo amplifier from the G Sanmotion AC Servo Amplifiers series and has an amplifier capacity of 20 Amps. It supports a compatible motor output of 400 Watts and a main input current of 2.2 Arms for 200 VAC three-phase input. The amplifier features a velocity control range of 1 to 5000 and operates at altitudes up to 2000 meters.
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Product Description:
The GADSA02LH24 is a servo amplifier produced by Sanyo Denki for the G Sanmotion AC Servo Amplifiers series. In automated machinery, this device receives motion commands from a controller and modulates three-phase power so a matched Sanmotion motor can generate precise torque and speed. By bridging low-level control signals and the higher currents demanded by a 400 W-class servo, the unit becomes the active interface between feedback loops and mechanical axes.
The amplifier has a capacity of 20 A, which is the maximum instantaneous current that the power stage can withstand without saturation. Compatibility with motors up to 400 W makes the drive suitable for small positioning actuators on pick-and-place heads, indexing tables, or electronic cams. During continuous operation, the output is limited to 3.1 A rms, a rating that helps with cable sizing and thermal management. The control section draws only 0.3 A rms, isolating logic power from the main bus so encoder and I/O signals remain stable. The unit accepts a mains supply of 200 VAC, and the front end rectifies line voltage from standard factory sources. A built-in delay circuit staggers startup to avoid inrush, while an external regenerative resistor dissipates excess energy when the load decelerates. A minimum external resistance of 17 Ω must be maintained to keep braking current within safe limits, and overvoltage category III insulation protects the control core from grid surges.
Main input demand peaks at 2.2 A rms per phase, yet the drive can deliver a momentary surge of 12.0 A rms to overcome static friction or accelerate an attached load. A supply capacity of 0.8 kVA indicates the transformer or breaker size needed for full-duty cycles. Velocity can be regulated across a range of 1:5000, providing precise speed matching even at very low rotational speeds. Reliable performance is maintained at elevations up to 2,000 m. The amplifier withstands vibration of 6 m/s² during operation. It also tolerates shocks up to 20 m/s² during handling, supporting use in cabinet-mounted or machine-mounted installations.
