Slim DIN Rail Mount NPN to PNP/PNP to NPN Sensor Logic Signal Converter Module: Amazon.com: Industrial & Scientific
Npn to Pnp Level Converter,8-Channel Npn to Pnp Signal Converter, 8-Channel Optically Isolated Module for Npn to Pnp Level Conversion Wide Voltage 10-28V: Amazon.com: Industrial & Scientific
Amazon.com: NPN PNP Signal Converter, MRI-24TR/INV PLC Sensor Polar IO Level Conversion Module, PNP to NPN Signal Converter Relay : Industrial & Scientific
10Pcs 1 Channel Optocoupler Isolation Module 12V PC817 EL817 Photoelectric 1 Way Opto PNP NPN Signal Converter Rail Holder PLC Drive Motor Board: Amazon.com: Industrial & Scientific
Slim DIN Rail Mount NPN to PNP/PNP to NPN Sensor Logic Signal Converter Module: Amazon.com: Industrial & Scientific
Amazon.com: Icstation 24V to 5V 8 Channel PLC-PNP Signal Converter, Optocoupler Isolation Board, Voltage Level Converter Module : Electronics
Photoelectric Sensor Switch,5-30cm Proximity Switch, DC PNP 3 Wire high Sensitivity Photoelectric Detect Sensor,for Connection Counter, Industrial Automation: Amazon.com: Tools & Home Improvement
Npn to Pnp Level Converter,8-Channel Npn to Pnp Signal Converter, 8-Channel Optically Isolated Module for Npn to Pnp Level Conversion Wide Voltage 10-28V: Amazon.com: Industrial & Scientific
S8050 NPN Silicon Transistor Low Voltage High Current Small Signal 1 Piece: Amazon.com: Industrial & Scientific