The 1SAE351111R0431 is a motor starter manufactured by ABB. It is a 42mm frame size motor starter central contactor designed for AC3 (100A/ 400V) applications. It is available in a 2-pole, 4-pole and 6-pole configuration, and is suitable for high switching operations up to 100 cycles per hour. It comes with a variety of features such as 1NO+1NC (2 Pole) and 4NO+4NC (4 Pole) or 6NO+6NC (6 Pole) auxiliary contact blocks, solid-state double-break contact systems, integrated over-temperature protection, dual manual reset push buttons with an integral overload release, and more. The 1SAE351111R0431 is ideal for use in all types of motor applications including HVAC, pumps, conveyors, and compressors.