8 Channel Relay Module with light coupling 5V

A relay is an electrically operated device. It has a control system and (also called input circuit or input contactor). It is frequently used in automatic control circuit. To put it simply, it is an automatic switch to controlling a high-current circuit with a low-current signal. This 5V 8 Channel Relay Module (with Light Coupling) meets the safety standard as control areas and load area have the isolation groove. Optical coupling isolation module. The triggering of the 8 Road/Channel Relay Module is reliable, more stable. The double FR – 4 circuit board design, high-end SMT process. It has power and relay operation instructions. Relays terminals (C, NC, NO) are accessible through screw terminals which makes wiring up the board very easy. Features : Equipped with high-current relay 10A@250VAC / 10A@30VDC. It can control both AC and DC appliances such as Solenoids, Motors, lights, fans, etc. High-quality screw terminals (Terminal Block) provided (C, NC, NO) for quick and easy connection. A freewheeling diode to protect your microcontroller. Input Signal Pin connected to Burg stick for easy accessibility. LED status indicators to indicate the relay ON/OFF status. Mounting holes provided. Signal input with a high-level signal, the common and often start conduction. The relay can directly control all kinds of equipment and load. Blue KF301 terminal line more convenient.