This 4-channel Solid State Relay module uses Omron SSRs rated at 240V/2A. It features high-level triggering (3.3-5V) and offers silent, maintenance-free operation for Arduino and Raspberry Pi projects.
The 4-channel Solid State Relay (SSR) module is designed to control electrical loads with perfect galvanic isolation. Unlike mechanical relays, it contains no moving parts, ensuring virtually infinite lifespan, completely silent operation, and fast switching without contact bounce.
This module operates on a 5V DC supply and accepts high-level trigger signals (3.3V or 5V), making it directly compatible with most common microcontrollers such as Arduino, Raspberry Pi, and ESP32/ESP8266 modules. The blue KF301 terminal blocks facilitate secure connections for both control signals and load wiring.
Note: Ensure the connected load voltage matches the relay specifications (max 240V). This module is suitable for switching low to medium AC or DC loads.
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