This Acti9 STI isolatable fuse-carriers is a low voltage fuse-disconnector.::It is used for tertiary and industrial applications requiring a high breaking capacity.::It has 2P pole, up to 25A rated current, and gG or aM fuse curve with a fuse cartridge type of 10.3mm x 38mm.::it can be mounted on DIN rail for modular installation.::The general purpose fuse (gG fuse) provides overload and short-circuit protection.::The aM fuse for motor application provides short-circuit protection (protection of loads with a high peak current).::it has an IP20 degree of protection on its terminals, becoming IP40 once in modular enclosure.::A clip-on marker is visible on front face or on downstream terminal to identify fuse presence.::An optional 230V neon indicator light indicates fuse blowing (off in normal operation and lit red after fuse blowing).::The device is provided with a captive fuse-carrier and an additional housing for a spare fuse.::Its toggle can also be padlocked.