Ключевые слова:
Switchgear, Electrical equipment, Electric control equipment, Low-voltage equipment, Low voltage, Electromechanical devices, Control devices, Circuits, Circuit-breakers, Control switches, Pushbutton switches, Pressure switches, Switches, Electromagnetic radiation, Electromagnetic fields, Indicator lights, Signal devices, Electric contacts, Classification systems, Ratings, Rated voltage, Performance, Electrical testing, Mechanical testing, Approval testing, Environmental testing, Dielectric properties, Marking