MAINS CHOKE FOR FU, PHASES: 3, UN1(V): 500, ITHMAX 1(A) / F1(HZ): 5 / 50, I LN (A): 4.5, UK(%): 2, LN(MH): 3.68, TA/ISOKL: 40 / B, IP00, CONNECTION: SCREW/FLAT PLUG CONNECTION, EN 61558-2-20 >UL/CSA-RECOGNIZED< >CHOKE< The single-phase chokes 4EM and three-phase chokes 4EP are designed as commutating chokes in conjunction with frequency converters and DC power controllers and reliably reduce line-based mains interference from these consumers.