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What are the characteristics of STI isolatable fuse-carriers.

The characteristics of STI isolatable fuse-carriers is given below:
  • The STI isolatable fuse-carriers provide overload and short-circuit protection.
  • They are used for industrial applications requiring a high breaking capacity.
  • They perform the isolation function and must not be used as switches.
  • To be equiped with aM or gG (gL - gl) type fuse cartridge without striker, with or without fuse blowing indicator.
  • Isolation of all poles is guaranteed for the 2P, 3P, and 3P+N versions during factory assembly.
  • The general purpose fuse (gG fuse) provides overload and short-circuit protection.
  • The fuse for motor application (aM fuse) only provides short-circuit protection.
  • It is used for protection of loads with a high peak current (motors, transformer primaries, etc.).
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