3 Channel Relay Module - Control power to AC and DC devices via a DC microcontroller. Turn on/off lights, appliances and more easily.
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: 72x45x18.5mm.
Module interface specifications:
1. VCC : DC power supply positive pole
2. GND : DC power supply negative pole
3. IN1~IN4 : relay signal triggering pin
1. Normally closed pin (NC1~NC4) : relay normally closed pin
2. Common pin (COM1~COM4) : relay common pin
3. Normally opened pin (NO1~NO4) : relay normally opened pin