Electrical installations of buildings. Part 5: Selection and erection of electrical equipment. Chapter 53: Switchgear and controlgear. Section 537: Devices for isolation and switching— 11 стр.
Deals with devices for isolation, devices for switching-off for mechanical maintenance, devices for emergency switching and functional switching devices.
29.130.01 Switchgear and controlgear in general / Коммутационная аппаратура и аппаратура управления в целом
91.140.50 Electricity. Including electric energy meters in buildings, emergency electrical supplies, etc. / Системы электроснабжения. Включая аварийное электроснабжение и т.д.
