ENTUBE DE-HB (50V10V SEBNC) ENTUBE DE-HB (50V1V SEBNC) ENTUBE DE-HB (50V1V SESC) ENTUBE DE-HB (50V5V SEBNC) ENTUBE DE-HB (60V 10V DIFF SC) ENTUBE DE-HB (750V 10V DIFFSC) ENTUBE DE-HB (750V 10V SESC) ENTUBE DE-HB (750V 1V DIFFSC) ENTUBE DE-HB (750V 5V DIFFSC) ENTUBE DE-HB (750V 5V SESC)