4 Pack 12V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger (12V)
4 Pack 12V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger (12V)
Module description:1.The module Operating voltage 12V;2.Fault-tolerant design, even if the control line is broken, the relay will not operate;3.The power indicator (green), the relay status indicator (red);4.Module size: 50mm26mm18.5mm (LWH).Interface:-InputVCC: Relay power supply +GND: Relay power supply -IN: Signal trigger input (High or Low Level Signal, select via jumper)-OutputNO: Relay normally open.COM: Relay Common PinNC: Relay normally closed.High or Low Level Trigger Select:1. Use High Level TriggerWhen ¡°IN¡± input High Level Signal, the ¡°NO¡± connect with ¡±COM¡±When ¡°IN¡± input Low Level Signal, the ¡°NC¡± connect with ¡°COM¡±2. Use Low Level TriggerWhen ¡°IN¡± input Low Level Signal, the ¡°NO¡± connect with ¡±COM¡±When ¡°IN¡± input High Level Signal, the ¡°NC¡± connect with ¡°COM¡±3. High or Low Level Trigger SelectJumper connect with L, Low Level TriggerJumper connect with H, High Level TriggerPackage Included:4 12V 1 Channel Relay Module
Product Features
- This Relay Board provides a single relay that can be controlled by any 12V digital output from your microcontroller.
- The module uses genuine quality relay, normally open interfaces , Maximum load: AC 250V/10A, DC 30V/10A.
- Using SMD optocoupler isolation, strong driving capability, stable performance; trigger current 5mA.
- The interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient.
- These 12v relay board works well for Arduino/ ARM /PIC /AVR /MCU/Raspberry/CNC machine/ PS4 etc.