Load break switch for fuses D02 E18 63A AC400V 1-pole DIN rail. D0 fuse load break switch, single-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 sealed. Removable fuse plug with finger protection.