GE IS230TVBAH2A | Digital DIN rail module.The GE IS230TVBAH2A is a digital DIN rail module. DIN rails are metal rails used for mounting circuit breakers and industrial control equipment inside equipment racks. They provide mechanical support for electrical components and are not used as a busbar to conduct electric current. DIN rails are standardized and widely used in Europe and other parts of the world. The most common type of DIN rail is the top hat rail, also known as the TS35 rail, which is 35mm wide. The GE IS230TVBAH2A is designed to be mounted on a DIN rail.