Four Piece 24V DC Relay Module Set With Optocoupler Isolation One Channel Trigger High Or Low Level Compatible 10A Load Rating Fault Tolerant Design For Microcontrollers And Home Automation

Four-Piece 24V DC Relay Module Set with Opto Isolation
✔️ 4x 24V relays, 10A load, optocoupler isolation, fault tolerant

This four-piece set provides four independent one-channel relay boards that run on DC 24V and are easy to wire into microcontroller projects and home automation systems. Each board includes screw terminals for input and for NC, C, NO relay contacts, and is compatible with ARM, PIC, AVR, Raspberry Pi, CNC machines, and more.

✅ Coil voltage: DC 24V
✅ Max load: AC 250V/10A or DC 30V/10A
✅ Optocoupler isolation between I/O and relay
✅ Fault-tolerant design: control line break won't energize
✅ Terminals: input and NC/C/NO screw terminals
✅ Jumper to select high or low trigger

💡 What is a 24V relay module used for in home automation?

It’s handy for turning mains devices on/off from a microcontroller, while keeping the control side isolated. - Isolates control signals to protect I/O - Supports 24V coil operation with optocoupler isolation - Provides NC and NO contact options - Jumper lets you choose high or low level trigger ✝️