Applies to aerial devices (mobile elevating work platforms (MEWP)), with or without the possibility of an additional jib, as a minimum with an insulating upper boom (extending structure) used for live working on the rated voltage, which is between 1 kW r.m.s. and 800 kV r.m.s., at power frequency.
IEC 61057 Ed. 1.0 b:1991
Original price was: $317.00.$158.00Current price is: $158.00.
Aerial devices with insulating boom used for live working
International Electrotechnical Commission , 06/25/1991
Pages: 116
