Computer Boards SSR-RACK24 Solid State Relay I/O Backplane, 24-Channel, 5VDC

Opto 22 G4PB24 24-Channel I/O Rack Backplane w/ G4 Modules PLC Interface Board

Opto 22 GRV-OMRIS-8 AC/DC Discrete Output, 8 Channels, Electromechanical Relay

Opto 22 PB8 8-Channel I/O Mounting Rack with (8) IDC5 Digital Input Modules

Opto 22 G4PB24 Grayhill 70G-IDC5NP 24 Channel Mount Board Plug In Relay Module

Opto 22 G4pb16t Terminal Board 16 Channel Module Rack

PRICE REDUCED! OPTO 22 PB16AH 16 CHANNEL MODULE MOUNTING BOARDS

OMEGA SSR-RACK24 Interface Rack for Solid State Input/Output Module