COMMUTATING CHOKE FOR CONVERTER; PHASES:1; UN1(V):400; ITHMAX 1(A) / F1(HZ):24 /50; I LN (A):21,6; UK(%):4; LN(MH):2,02; TA/ISOKL:40 /B; IP00; TYPE OF TERMINALS:SCREW CONNECTION; EN 61558-2-20 CHOKE The 4EM single-phase reactors and 4EP three-phase reactors are designed as commutation reactors in combination with frequency converters and DC choppers and they reliably reduce conducted system interference of these loads.