DIN rail switching supply
October 2007
Enclosures, Cabling & Connectors
Mean Well is offering its new DR-100 series – 90~100 W single-output class II DIN rail switching power supply for the fast growing demand of DIN rail applications. With Class II protection level (double insulated, no earth ground wire is required), DR-100 series provide users a safer operating environment since the whole plastic case is free from hazardous leakage current. Featuring high efficiencies (up to a claimed 89%), this series need only be cooled by free air convection. Not having to rely on forced cooling significantly increase the reliability and lifespan of the power supply. Compensating for wiring voltage drops is made easy by making it possible to adjust the output voltage from the front panel. The multicoloured LED indicator gives an immediate visual confirmation of the output status.
The ‘no load power consumption <1 W’ has also been incorporated into the DR-100 series. This has great advantage for more and more industrial/commercial applications that have energy-saving concerns as part of the design requirement. Complying with the global safety and EMC requirements per UL60950-1, TUV EN60950-1, and EN55022 Class B, these low profile switchers are suitable for installation in power distribution boxes or control cabinets. Not surprisingly the major fields of application include building automation, security, and household appliance control.
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