IEC 60947-4-3:2020 applies to a.c. semiconductor non-motor load controllers and contactors intended for performing electrical operations by changing the state of a.c. electric circuits between the ON-state and the OFF-state. Typical applications are classified by utilization categories given in Table 2.
IEC 60947-4-3 Ed. 3.0 en:2020
Original price was: $417.00.$208.00Current price is: $208.00.
Low-voltage switchgear and controlgear – Part 4-3: Contactors and motor-starters – AC semiconductor controllers and contactors for non-motor loads
International Electrotechnical Commission , 07/14/2020
Pages: 88
