Information about Fuse switch STI 2P 500V
These Acti9 STI isolable fuse holders are a low voltage fuse disconnect. They are used for tertiary and industrial applications that require a high breaking capacity. It has a 2P pole, a rated current of up to 25A, and a gG or aM fuse curve with a fuse cartridge type of 10.3mm x 38mm. It can be mounted on a DIN rail for modular installation. The general-purpose fuse (gG fuse) provides protection against overloads and short circuits. The aM fuse for motor application provides short circuit protection (protection for loads with a high peak current). It has an IP20 protection rating on its terminals, which makes it IP40 in a modular enclosure. A pressure marker is visible on the front face or on the downstream terminal to identify the presence of the fuse. An optional 230 V neon indicator light shows that the fuse is blown (off during normal operation and on in red after the fuses blow). The device comes with a captive fuse holder and an additional box for a spare fuse. Its lever can also be locked with a padlock.