... 0675American standard: UL 1449UK standard: BS 6651 BY6 series are new developing items which based on BY4 and ... module when customer maintenance(already got patent).BY6 series with many various kinds of types for customer ... .2 According to maxi continuous working voltage Uc:65,180V-,150,300,345,385 V~2.2.3 ... .4 Basic parameter·Maxi continuous working voltage Uc 65,180V-,150,300,345,385 V~·Test by ...