Circuit breakers FMC are designed to protect electrical networks against long-term overloads and short-circuit currents (overcurrent).

Standards IEC/EN 60947-2
Rated release current In, 40A
Rated frequency 50/60 Hz
Rated voltage of the insulation Ui, 500V
Rated voltage Un, ~400V
Rated pulse current output voltage Uimp, 8000V
Number of poles 3
Rated operating breaking capacity, Ics, 17.5 kA
(AC 380/415V)
Limiting operating breaking capacity, Icu, 35kA
(AC 380/415V)
Commutation wear resistance (electric/mechanical) 6 000/10 000
Connecting of additional devices yes
Operating temperature range, -25…+55°C
Storage temperature range, -25…+70°C