Confirms to IEC 801-4 3-phase/16A, 3 x 420V+N+PE Decoupling attenuation > 40 dB Arbitrary coupling combinations on all 5 conductors Technical Specifications System: 3-phase coupling network for fast transients and bursts (4-wire + protective earth) EUT supply: 3 x 420 Vac, 50/60/400 Hz, 16 A max Pulse Input: Specified for pulses with tr > = 4 ns tw < = 100 ns Vµ < = 5000 V Rl >= 50 ohm Asym. decoupling attenuation and insertion attenuation of the mains filter: 0.1... 0.5 MHz > 20 dB 0.5... 100 MHz > 40 dB 2... 30 MHz > 60 dB