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AC Current Sensor and Short Circuit Protector, 0-50 A AC, Relay/Switch Output, 5V, Current Transformer (CT) Technology, Panel Mounting
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Current Sensing Switch, Normally Open Current Sensing Relay Adjustable AC 0.2A -30A (SZC23 No AL-CH Model): Amazon.com: Industrial & Scientific
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Current Sense Switch Using Shunt Resistor & OP-Amp 1 to 3Amps Adjust | Circuit Ideas I Electronic DIY Projects I Robotics
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microcontroller - How to design an AC current detection switch? - Electrical Engineering Stack Exchange
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