CIRCULAR BOX BREAKER; TRIPOLAR; CA / CC; 50 / 60HZ; NOMINAL CURRENT 250A; ISOLATION VOLTAGE 1000V; OPERATING VOLTAGE 690 VAC / 750 VAC; MAXIMUM INTERRUPT CAPACITY 100KA; ELECTRONIC TRIGGER; NOMINAL CURRENT TRIGGER 250A; PROTECTION OVERLOAD ADJUSTABLE0,4 … 1 X IN; SHORT PROTECTION ADJUSTABLE CIRCUIT 0.6 … 10 X IN; SHORT PROTECT INST. INSTALLABLE CIRCUIT 1,5 … 12 X IN; EARTH FAULT PROTECTION 0.2 … 1 X IN; ADDITIONAL CHARACTERISTICS C / ALARME; ADDITIONAL CHARACTERISTICS C / FUNCAO AMPERIMETRO; ADDITIONAL CHARACTERISTICS FIXED ASSEMBLY; MANUFACTURER: ABB; REFERENCE: T4H 250 FF 3P PR222DS / P-LSIG; 1SDA 054056 R0001.