The Fusion 4 is an intelligent explosion proof control module for equipment used in the blending and distributing of fuels and additives. It meets the crucial and complex set of global explosion safety requirements. The aluminum casing can withstand internal gas explosions and is easy to recycle. The “Local Access Device” and the “Stream Controller” introduce a user friendly interface in a conventional market, making the operation by authorized users safe, efficient and enjoyable. With this modular system a wide range of appropriate solutions can be offered using only a few components, while reinforcing brand identity and recognition.