INTERRUPTORES AUTOMATICOS DE CORRIENTE ALTERNA PARA ALTA TENSION. ENSAYOS DE TIPO Y ENSAYOS INDIVIDUALES
HIGH-VOLTAGE ALTERNATING-CURRENT CIRCUIT-BREAKERS. TYPE TEST ROUTINE TESTS.
Buy on AENOR
29.120.60 / Control switchgear and controlgear and control devices
CTN 207 - Transmission and distribution of electrical energy
IEC 56-4A:1974 (Identical)
IEC 56-4:1972 + MOD.1:1975 (Identical)
IEC 56-4:1972+56-4A:74 (Identical)
It is cancelled by: UNE 21081:1994
