Coupling Decoupling Networks are recommenced for all power supplies connections. The distubance signals are coupled to each conductor in the supply lines according to EN 61000-4-6 standard. The standard M series CDNs have a current rating of 25 Amps. Com-Power CDNs are available for power supplies from 1 to 5 conductors. These CDNs cover the frequency range of 150 kHz - 230 MHz.