PR Electronic Isolated Repeater / Splitter 3108 / Neu in OVP

1 channel 5V Relay Module, Opto-coupler isolated, for Arduino and MCU projects.

1 channel 12V Relay Module, Opto-coupler isolated, for Arduino and MCU projects.

5V Relay Module 1/2/4/6/8 Channel Opto-Isolated for Arduino ESP32 Raspberry Pi

1Channel High Level Driver Relay Module Optocoupler Isolated Drive Control Board

Phoenix Contact 2786157 MCR-C-U/I-4-DCI Isolated Signal Converter

PR Electronics 3105 Isolated converter

2pcs 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level