Treedix DC 5V Channel Relay Board Module Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered Compatible with Arduino Raspberry Pi

Maximum load: AC 250V/10A DC30V/10A SMD optocoupler isolation strong driving ability stable performance; trigger current 5mA The module voltage 5V Each channel module can be set high or low triggered by jumper Fault-tolerant design even if the control line is broken the relay will not operate Power indicator (green) relay state indicator (red) Interface design user-friendly all interfaces are available through the wiring terminal direct connection leads very convenient 4 mounting bolts holes hole 3.1mm spacing 44.5mm * 35.5mm Module Port: DC+: DC power supply positive DC-: DC power supply negative IN1: Channel 1 signal trigger terminal IN2: Channel 2 signal trigger terminal Relay Output: NC1: Channel 1 relay normally closed pin COM1: Channel 1 relay common pin NO1: Channel 1 relay normally opened pin NC2: Channel 2 relay normally closed pin COM2: Channel 2 relay common pin NO2: Channel 2 relay normally opened pin High And Low Level Trigger Option: 1. S1: It is option switch for channel 1 relay 2. S2: It is option switch for channel 2 relay Package include: 2 x DC 5v 2 Channel Relay Board Modules