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

4 Channel Optocoupler Isolator Module PLC Signal Converter P Size: 3.3V to 24V

4-Channel Optocoupler Isolator Module PLC Signal Converter P Size: 24V to 3.3V

4 Channel Optocoupler Isolator Voltage Converter PLC Signal Size: 24V to 3.3V

4 Channel Optocoupler Photoelectric Isolator PLC Signal Conve Size: 24V to 24V

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

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