The G Range BM Series switch mode power supplies are ideal for applications requiring mains and battery monitoring. The units have a regulated highly stable output supplying full rated current to load and a universal mains voltage input range (90 to 264V ac). These units may be used for intruder systems where compliance with EN50131-6 is not required. They are also available in DIN rail mounted 'unboxed' versions if required. FOM 4 or 8 can be fitted to give independent fused outputs. Advantages of Switch Mode Technology Elmdene products using switch mode technology are typically 80-87% efficient. This can save your customers money by reducing their power bills and carbon footprint. Switch mode technology also makes for more reliable products in the field as they are less likely to overheat.