MAINS CHOKE FOR FU, PHASES: 3, UN1(V): 480, ITHMAX 1(A) / F1(HZ): 35.5 / 60, I LN (A): 31.95, UK(%): 2, LN(MH): 0.397, TA/ISOKL: 40 / B, IP00, CONNECTION: SCREW 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 controllers and reliably reduce line-borne mains interference for these consumers.