•Overview
FZN21-40.5 high-voltage vacuum load switch and combined electrical appliances, suitable for three-phase AC 40.5kV, 50Hz power system, or with a set of power distribution equipment and ring network switchgear, combined power station, etc., widely used in wind power generation, urban network construction and renovation projects, industrial and mining enterprises, high-rise buildings and public facilities, etc., can be used as a ring network power supply unit or terminal equipment, playing a role in the distribution, control and protection of electric energy. The technical performance of the product meets the requirements of GB16926-1997 "AC High Voltage Load Switch - Fuse Combination Apparatus" and IEC420 "AC High Voltage Load Switch - Fuse Combination Apparatus".
This product has the advantages of large breaking capacity, safe and reliable, long electric life, frequent operation, compact structure, small size, light weight, and basically no maintenance. It has the ability to break the rated current, overload current, short-circuit current and prevent the equipment from running out of phase, the switch has an obvious isolation break, and is equipped with a grounding and electric spring mechanism with closing ability, and has the ability of telecontrol remote control.
•Model Meaning
