ONE SYSTEM – MANY POSSIBILITIES. Three product families, three connection technologies – our DIN rail terminal block program is the right choice for every installation, wherever the control cabinet is found – in machinery or plant engineering, energy technology or building installation, or with screw, tension spring or push-in connection. The ultimately flexible DIN rail terminal block systems selos and fasis offer optimum handling and harmonised accessories. This guarantees not only fast wiring time, but also reduces cost of inventory at your facility and in the supply chain. Customised assembly service, customer-specific solutions and a comprehensive service portfolio match our products individually with the requirements of our customers.