Low-voltage switchgear and controlgear. Control circuit devices and switching elements. Requirements for proximity devices with defined behaviour under fault conditions (PDDB)|Computer software, Performance, Proximity switches, Electrical equipment, Classification systems, Marking, Multicontact connectors, Electric cables, Terminal blocks, Capacitors, Control devices, Printed-circuit boards, Inductors, Transformers, Electric control equipment, Electric conductors, Assessed quality, Integrated circuits, Electromechanical devices, Performance testing, Electrical components, Temperature rise, Low voltage, Verification, Switchgear, Electrical faults, Resistors, Control switches, Colour codes, Identification methods, Programming, Electric motors, Instructions for use, Low-voltage equipment, Type testing, Electric connectors