It is an extended black rotary handle for Compact INS250_100 to 250 and Compact INV100 to 250 switch disconnectors.::It is suitable for isolation and it is used for standard applications.::This rotary handle is a front control accessory.::This extended version makes possible to operate devices installed at back of switchboards, from the switchboard front.::The degrees of protection are IP55 and IK08.::It may be locked in the OFF position by one to three padlocks, hasp diameter 5 to 8 mm (not supplied).