NH fuse switch disconnector LV NH3 185mm 3-pole coupling inside - black. NH3 coupling strip 630 A for SaS separation, for busbar mounting, distance 185 mm. According to DIN EN 60947-3 and IEC 60947-3. Consisting of 3-pole switch strip base and sealable handle insert, touch protection on the handle, all-pole switching, both connections inside, rust-proof.