The M5Stack Unit ACSSR is a DC to AC single phase solid state relay controller kit that comes with a single phase solid state relay + ESP32C3 controller board. It supports key control, I2C slave and Modbus networking modes of operation. It also features an integrated programmable full-colour RGB LED for state indication.
This kit is contactless and adopts semiconductor switching elements. It has several advantages such as high switching speed, extremely long life, low switching noise, no switching spark and is much more reliable than most mechanical relays.
Widely used in digital program control devices, motor control devices, temperature control, data processing systems and computer peripheral interface devices. It is specially designed for harsh environments with corrosion, humidity or explosion-proof requirements and frequent turn-on/off requirements.
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