SV3418.040 Rittal Bus-mounting Fuse Base D02-e18 63 A 400 V 3-pole. Rider security element D02-E18, 63A, 3-pole, Easy Connect version (60 mm). Rider safety elements, Easy Connect, Color: gray, Pre-assembled element ready for connection including the contact protection cover and external terminals, Description: 3-pole, for 60 mm rail center distance.