... and mechanical equipment and as power supply for safety lighting and indicator lamp. Model and its meaning (JMB,BJZ,DG,BZ and DM light ... control transformer) Technical character (JMB,BJZ,DG,BZ and DM light control transformer) The primary and secondary ... rated capacity. Working environment (JMB,BJZ,DG,BZ and DM light control transformer) The transformer can work reliably under ...