ITF 14A and ITF 22, Isolation Transformer 60 dB.
The Isolation Transformer (ITF) provides the 60 dB decoupling as required in IEC / EN 61000-4-16. The ITF is placed between coupling network and mains. It can be used for a mains frequency in the range 47 to 63 Hz. Two types are available, ITF 14A for 14.4 Amps and ITF 22 for 21.7 Amps.