Siemens 6ES7120-2BH00-0AA0 TB16SC Terminal Block

The Siemens 6ES7120-2BH00-0AA0 TB16SC Terminal Block is a 16-channel expansion block for the SIMATIC SC distributed I/O system, designed to extend ET 200L-SC installations with additional terminal points for analog and digital SC modules. The TB16SC family serves as the wiring interface between SC IO modules and external field connections, consolidating multiple terminals into a compact, DIN rail‑mountable block that integrates with the SIMATIC SC backplane used in ET 200L-SC configurations. This part supports expansion within SIMATIC SC configurations that include Smart Connect IM SC arrangements, enabling additional channels without altering existing I/O topology. In typical automation applications, TB16SC terminal blocks are employed to increase the I/O count in machinery control panels, process lines, and other industrial environments where reliable termination and organized wiring are essential. The part number denotes a TB16SC extension block, aligning with Siemens' documentation and product catalog entries for SIMATIC SC expansion components and spare parts used with ET 200L-SC modules.