Discover Acti9 STI
Discover Acti9 STI
Elevate your protection
Acti9 STI isolatable fuse-carriers provide overload and short-circuit protection for industrial applications requiring a high breaking capacity. They perform the disconnector function of all poles and must not be used as switches (Utilisation category: AC-20). Disconnection for the 2P, 3P, and 3P+N versions is assured during factory assembly. Acti9 STI can also be equipped with an indicator light indicating blowing of the fuse cartridge.
Benefits of Acti9 STI
Benefits of Acti9 STI
Efficiency
Convenience
Functionality
Protection
Features
Features
Facts about Acti9 IST
Fuse cartridges:
- STI can use both gG and aM fuse cartridges without striker
- gG fuses: used to provide both overload and short-circuit protection
- aM fuses: used to provide only short-circuit protection of loads with high peak current such as motors, transformers primaries, etc.)
- Available in both 8.5 x 31.5 mm and 10.3 x 38 mm diameters.
- Fuse cartridges meet IEC/EN 60269-1/2 (NFC 60-200)
- Comb busbar:
- used to bridge several STI of the same kind quickly
- Busbar connectors:
- Used to supply the busbar
- For 25 mm2 cable
- 230 V neon indicator light:
- Indicates fuse blowing (off in normal operation and lit red after fuse blowing)
- 400 V max
- Padlocking device:
- Locks the toggle in the "open" or "closed" position. Used with an 8 mm max. diameter padlock (not supplied)
- Clip-on markers (C60 type) used to identify:
- either on the front face of the device or on the downstream terminals.
Applications
Tertiary buildings
Industrial buildings
