Load-break switch NH3/185mm with screw connection M12, with 1000A isolating blade. NH3 fuse isolating strip 1000A, for busbar mounting, distance 185mm. According to DIN0660/107 and IEC 947-3 with built-in isolating blade. Consisting of a 3-pole switch strip base and sealable handle insert, touch protection on the handle, with sliding transparent window for voltage testing, all-pole switching, with universal screw connection.