Opto 22 PB4 G1 4-channel I/O Module Rack with 2 Barrier Strips, w/ QTY 4 IDC5B

Opto 22 PB4 I/O Mounting Rack 4-Channel w/ (3) ODC5 Modules

Opto 22 Model: PB4 Module Rack with (3) IDC5 Modules

OPTO 22 PB4 CIRCUIT BOARD W/ MOTOROLA IAC15 INPUT MODULE W/ OAC-15 OUTPUT MODULE

OPTO 22 PB-4 4-CHANNEL OUTPUT RACK - USED - FREE SHIPPING

Opto22 G4-ODC5 I/O Module Opto 22 G4ODC5 G4 ODC5 (TBI)

OPTO 22 PB4 / PB4 (USED)

OPTO 22 PB4 BOARD W/ FOUR IAC24 RELAYS PB-4