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Opto 22 PB4 G1 4-Channel I/O Module Rack with 2 Barrier Strips
OPTO 22 PB4 BOARD W/ FOUR IAC24 RELAYS PB-4
OPTO 22 NO. PB4 I/O MOUNTING RACK SIZE:4.5 X 3.5 IN
Opto 22 PB4 G1 4-channel I/O Module Rack with 2 Barrier Strips, w/ QTY 4 IDC5B
OPTO 22 PB4 / PB4 (USED)
PB-4 - Opto 22 - 22 PB4 000200C Mounting Board With 2 Relays
PB-4 - Opto 22 - 22 000200C PB4 Mounting Board With 2 Relays
OPTO 22 PB4 / PB4 (NEW NO BOX)