Modular rectangular connectors made up of numerous different combinations of plastic or aluminium housings, internal dies and terminals, with fixing by means of crimping, screws, etc. Especially useful for electrical and signal connection, in applications that require a fast and robust connection, such as in the design of industrial ventilation, automation, energy distribution, transportation, outdoor applications, etc. Available with standard or reinforced coating for wet work environments and aluminium or stainless-steel anchor points.