Allen-Bradley 1492-J4 Feed-Through Terminal Block

Allen-Bradley 1492-J4 IEC Terminal Block is a one-circuit feed-through connection from the 1492-J family, designed to pass conductors through a panel while preserving a single electrical circuit. It supports dual conductor ranges: 4 mm (compatible with 22 AWG–10 AWG) and 2.5 mm (22 AWG–12 AWG), giving flexibility for both power and signal wiring in industrial control environments. This standard feedthrough block is finished in gray, aligning with typical 1492-J components and offering a compact, through-block solution for organizing wiring in IEC-style control panels. Common applications include routing wiring between adjacent blocks in machine controls, motor starters, and other industrial automation assemblies where secure, traceable terminations are required without interrupting the circuit. The J4 designation identifies the 4 mm version within the IEC terminal-block lineup, enabling designers to build dense terminal assemblies by combining blocks with compatible conductor sizes. Built for durable field installations, it provides the defined clamp-type connections characteristic of Allen-Bradley components, delivering reliable contact security under typical industrial conditions and vibration. This model is suitable for engineers seeking a dedicated, drop-in feed-through block with clearly defined conductor ranges and a standardized gray finish, suitable for integration into broader 1492-J block arrays in control panels and machinery wiring.