Low-voltage switchgear and controlgear - Multiple function equipment. Control and protective switching devices (or equipment) (CPS) Ingestion-build-239834 coated threads

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Low-voltage switchgear and controlgear - Multiple function equipment. Control and protective switching devices (or equipment) (CPS) Ingestion-build-239834 coated threads1 Scope and object This part of IEC 60947 applies to control and protective switching devices (or equipment) (CPS), the main contacts of which are intended to be connected to circuits of rated voltage not exceeding 1 000 V a. c. or 1 500 V d. c. CPSs are intended to provide both protective and control functions for circuits and are operated otherwise than by hand. They may also fulfill additional functions, such as isolation. Digital inputs and or