Painted Steel Enclosures The complete solution of enclosures for professionals Professional users of enclosures for low voltage devices search for simple, fast and flexible solutions. With System pro E, they will find a first-class quality assortment of enclosures and accessories, from the smallest consumer unit to industrial sized automation and main distribution boards. ABB enclosures are ideal for single family houses, multiple dwellings, commercial buildings, infrastructures and industrial applications in compliance with international standards and sectorial norms. System pro E portfolio from ABB is preferred by professionals wherever electrical energy needs to be metered, controlled and distributed.