... with good quality. Application range (JMB,BJZ,DG,BZ and DM light control transformer) It is ... indicator lamp. Model and its meaning (JMB,BJZ,DG,BZ and DM light control transformer) Technical character ... bear the rated capacity. Working environment (JMB,BJZ,DG,BZ and DM light control transformer) The transformer ... not exceed 2,500m; 2.Ambient air temperature: -25°C~+ 40°C; 3.Relative humidity: max average ...