Load break switch for fuses D02 E18 63A AC400V 4-pole DIN rail. D0 fuse load break switch, four-pole switchable for D02 fuses, for DIN rail mounting. With signaling system for fuse failure via LED. Screw cap-free plug-in technology offers permanent contact pressure at the factory. No contact loosening during operation. Can be locked with a padlock and can be sealed. Removable fuse plug with finger protection. Complies with device standard IEC 60947-3.