Circuit breaker VL630H High switching capacity Icu=70 kA, 415V AC 3-pole, system protection Overcurrent release ETU20, LSI In=630 A, Rated current Ir=252...630 A, Overload protection, ISD=1.5 to 9xIR, II=10xIN Short-circuit protection Shunt release 208...277 V AC without auxiliary/alarm switch