12V 8Channel 8Ch Relay Module with Optocoupler for Arduino H/L Level Triger A3GS
Product Description Module description: 1. Maximum load on normally open pin: AC 250V/10A, DC 30V/10A. 2. Trigger current 5mA; 3. Power indicator light (green), relay status indicator light (red); 4. Module size: 141.5mm * 50mm* 18.5mm. Module interface specifications: 1. DC+ : DC power supply positive pole 2. DC- : DC power supply negative pole 3. IN1~IN8 : relay signal triggering pin Relay output: 1. Normally closed pin (NC1~NC8) : relay normally closed pin 2. Common pin (COM1~COM8) : relay common pin 3. Normally opened pin (NO1~NO8) : relay normally opened pin High or low level trigger option: 1. S1~S8:They are option switch for relay 1~8; 3. It is low level triger if COM pin connect to LOW pin; It is high level triger if COM connect to High.
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