The new STV range of switch mode power supplies has been specifically designed for EN54 compliant fire systems and is NFS Approved. Available in either 1A, 2A or 5A versions they are certified to EN54-4, EN12101-10 and NF S 61-940 by AFNOR and VdS (EN54-4 only). The units include intelligent battery charging using Elmdene's efficient EcoCharge technology, possess mains & battery monitoring with 2x independent volt-free outputs and also feature battery deep discharge protection in the event of a prolonged mains failure. The inclusion of LED indicators provides quick status diagnostics of the power supply, while a variety of enclosures offer the installer a choice of standby battery backup options.
