Abb Limited [Railway] manufactures Power Circuit Breaker with Three Cast Aluminum Tanks. Abb Limited [Railway] is an ISO 9001 certified company. The Company also manufactures various types of power supply systems, static frequency converters, high voltage switchgear, power and distribution transformers, traction rectifiers, medium voltage products, protection and control. The Power Circuit Breaker with Three Cast Aluminum Tanks, Model 72PM, has two bushings with removable current transformers mount atop each tank. The Power Circuit Breaker with Three Cast Aluminum Tanks is a steel control cabinet attached to the frame while the moving contacts are gang driven by a spring or spring-hydraulic operating mechanism within the cabinet. This Power Circuit Breaker consists of three cast aluminum single-piece tanks, each containing an interrupter unit. This Power Circuit Breaker is mounted on a galvanized steel support structure.
