LO insulating disconnects are designed for:
– Switching on and off AC three-pole circuits,
– install inside enclosed switchgear used in non-air-conditioned indoor conditions.
LO 250 insulating switch disconnectors, consist of the following main assemblies:
– lower body equipped with current paths (fixed contacts, movable contacts and quench chambers),
– top assembly (metal substructure) equipped with an independent drive (snap-action) and auxiliary contacts 2z+2r.