PD 7639-2:1994

Заменен

Short-circuit current calculation in three-phase a.c. systems, Data for electrical equipment for short-circuit current calculations in accordance with BS 7639 — 48 стр.

Описание Изменения Ссылки Версии

Ссылочные документы

PD IEC/TR 60909-2:2008

Действует

Short-circuit currents in three-phase a.c. systems. Data of electrical equipment for short-circuit current calculations — 48 стр.