Commutating choke for converter; phases: 1; un1(v): 500; ithmax 1(a) / f1(hz): 4 /60; i ln (a): 3, 6; uk(%): 4; ln(mh): 12, 7; ta/isokl: 50 /b; ip00; type of terminals: screw/tab connection; en 61558-2-20 >choke<