Mean Well has introduced the new DR-100 series of 90 to 100 W single output class II DIN rail switching power supplies. With Class II protection level (double insulated, no earth ground wire is required), these power supplies provide users with a safer operating environment, since the whole plastic case is free from hazardous leakage current. Featuring up to 89% efficiency, this series can be cooled by only free air convection, contributing to high reliability and long lifetime. To compensate for wiring voltage drops, the output voltage can be adjusted from the front panel, and the coloured LED indicator also gives an immediate visual conformation of the output status.
The DR-100 series incorporates the 'no load power consumption <1 W' feature, which has advantages for more and more industrial/commercial applications with strict energy-saving concerns. Complying with the global safety and EMC requirements per UL60950-1, TUV EN60950-1, and EN55022 Class B, these supplies are suitable to be installed in a power distribution box or a control cabinet and hence the major application fields are building automation, security and household appliance control.
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