If you need to switch a heater on and off once every second to maintain a perfect temperature (PID control), a mechanical relay would click annoyingly and wear out in weeks. These Solid State Relays (SSR) use semiconductors to switch power silently, instantly, and without any sparks. They are safer for sensitive electronics and last virtually forever.
Modules
5V Solid State Relay (SSR) Module – 1ch & 2ch & 4ch (three pieces each)
18.96 د.إ
& Free ShippingThe silent, spark-free switch. Control AC lights and appliances with zero noise and high speed. Perfect for PID controllers and frequent switching where mechanical relays would fail.
Availability: In stock
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