The Allen-Bradley 150-A24NB-NA Controller, part of the SMC-2 series, exemplifies modern industrial design with its open-style enclosure and innovative interface. This solid-state controller features a 24 A, 3-phase induction system and operates on an input power range of 400 to 460V AC, compatible with both 50 and 60 Hertz frequencies. Though it lacks a protective module, it incorporates built-in features to shield against sudden surges, making it a reliable choice for managing heavy industrial loads efficiently.