COMMUTATING CHOKE FOR CONVERTER; PHASES:3; UN1(V):400; ITHMAX 1(A) / F1(HZ):280 /50; I LN (A):252; UK(%):4; LN(MH):0,0753; TA/ISOKL:40 /H; IP00; TYPE OF TERMINALS:FLAT-TYPE TERMINAL; EN 61558-2-20 CHOKE The 4EU three-phase reactors are designed as commutation reactors for high rated current in combination with frequency converters and DC choppers and they reliably reduce conducted system interference of these loads.