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

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

4 Channel Optocoupler Photoelectric Isolator Module PLC Signa Size: 3.3v to 5v

4-Channel Optocoupler Photoelectric Isolator Module Level Vol Size: 24v to 24v

4 Channel Optocoupler Photoelectric Isolator Module PLC Signal Size: 12V to 5V

4 Channel Optocoupler Photoelectric Isolator Level Voltage Con Size: 5V to 24V

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

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