Cosel has launched a fanless three-phase three-wire 3.5kW ac-dc power supply, aimed at world-wide operation from star or delta networks. Called HCA3500TF, the input range is 180 to 528Vac (for nominal 200V and 400V grids), and efficiency is up to 94% (400Vac in, 65V out) – the company puts the latter down to its digitally-controlled …
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