Potter & Brumfield 2IO-4A Solid State Relay Interface Board, 4-Slots, 150-250VAC

USED POTTER AND BRUMFIELD MODULE BOARD 2IO-4A

USED POTTER & BRUMFIELD 2IO-4A MOUNTING BOARD 2IO4A

Potter & Brumfield 2IO4A Input / Output 4-Channel Module Mounting Board

Potter & Brumfield 2IO-4B Relay Board I/O Module Rack 4 Channel 5386

Potter & Brumfield 2IO-4A I/O Module Mounting Board

Potter & Brumfield - 2IO-4A - Module Mounting Rack

POTTER & BRUMFIELD 2IO4A CIRCUIT BOARD