Air circuit breakers FMCA series with electronic control unit are used in a low-voltage distribution and protection against overcurrent,short circuit switchboard equipment as well as single phase-to-earth fault.
CAD files
Air circuit breaker FMC8A 800А fixed 2D
Air circuit breaker FMC8A 800А fixed 3D
Standard | IEC 60947-2 |
Rated operating voltage Un, V | 690 |
Limiting operating breaking capacity Icu, kA | 80 |
Rated operating breaking capacity Ics, kA | 50 |
Rated short-term current Icw, kA/1s | 50 |
Rated current In, A | 800 |
Quantity of poles | 3 |
Rated insulation voltage Ui, V | 1000 |
Rated current of N pole In, А | 100% ln |
Fixed shutdown time, ms | 23-32 |
Switching endurance (quantity of on/off cycles) | 6 500 |
Mechanical endurance (quantity of on/off cycles) | 15 000 without service |
Buses way of installation | horizontal, vertical |
Weight, kg | 40 |