4 Channel Optocoupler Isolator Module PLCSignal Converter P Size: 12V to 3.3V

4 Channel Otocoupler Isolator Module PLC Signal Converter PNP Size: 12V to 5V

4 Channel Optocoupler Photoelectric Isolator PLC Signal Convert Size: 5V to5V

4 Channel Optocoupler Photoelectric Isolator Module PLC Signa Size: 12V to 24V

4 Channel Optocoupler Photoelectric Isolator PLC Signal Conv Size 12V to 3.3V

4 Channel Optocoupler Photoelectric Isolator Module PLC Sinal Size: 24V to 5V