Siemens 3UB8113-4BB2 Solid-State Overload Relay

Siemens 3UB8113-4BB2 ESP200 Solid-State Overload Relay (catalog 48ATB3S00) provides three-phase motor protection with a current adjustment range of 0.75–3.4 A. Designed for direct panel mounting or standalone use, the device uses screw-terminal connections for the main circuit and for the auxiliary circuit, and is sized as Size A. It supports manual and automatic reset options and is associated with a trip class range of 5/10/20/30, making it suitable for protecting motors in a variety of industrial applications. For mounting flexibility, the ESP200 can be installed on a DIN rail or mounting plate per Siemens installation guidance.