The LS Magnetic Contactor Auxiliary Contact Block UA-211 is a top-mounted accessory designed to expand the switching capabilities of LS magnetic contactors. Featuring one normally open (1NO) and one normally closed (1NC) contact configuration, this auxiliary block enables precise control in complex electrical circuits. Ideal for industrial automation, motor control, and machinery applications, the UA-211 provides reliable signal feedback and interlocking functions. Its top-mounted design ensures easy installation and maintenance while maintaining compact panel layouts. Built to LS standards for durability and consistent performance in demanding environments. Compatible with standard LS contactor frames, this auxiliary contact block is an essential component for expanding circuit logic and safety features in electrical control systems. Use with LS MC-6a to MC-150a & MR-4