Opto 22 G4PB16T I/O Module Rack Fuse Terminal Strip 16-Channel Control Board

Opto 22 I/O module mounting rack

WAGO 37-Pin Female D-Sub Breakout Terminal Module DIN Rail Interface Board

Opto22 I/O Module Mounting Rack Terminal Strip Bus System PB16A

ESP32-S3 Din Rail Mounting Expansion Board Terminal Module USB OTG N16R8 N8R8

Opto 22 G4PB32H G4 32-channel Rack w/ Header Connector for B4 Brain, Control PCB

DIN Rail Mount Screw Terminal Adapter Module for 30 PIN ESP32 expansion Board.

NEW B4 | Opto 22 | Brain Board 32 Channel 5VDC Rack Input Type Is Digital (C224)