Detail EFEN FUSE SWITCH TPS NH 00 250 A
Application support in this process. Please fi ll in and return the questionnaire - Defi ned point of intersection between battery and UPS. (see next page). - Isolation of the battery during service and maintenance work. - Protection of the battery against over-heating and mechanical 3. Features and benefi ts of EFEN battery switches and battery damage in the case of short-circuits. fuse-links for UPS. - EFEN battery fuse-links provide superior short-circuit protection. 2. Selection criteria for EFEN battery switches and battery - Silver fuse elements resistant to ageing prevent premature inad fuses vertent tripping. - Single-pole NH load-break switches in sizes from 00 to 4a are - Low power dissipation prevents overheating of plastic compo specifi cally suited to isolate and safeguard backup batteries in nents. UPS applications. General-purpose line protection fuses are usu - Parallel contact isolation with two arcing chambers provides ally not suitable for use in these applications. Fast-acting fuses excellent DC breaking capacity. must be used. The extra heat coming from these fuse-links has - High thermal stability of plastics prevents overheating even under to be taken into account when selecting suitable fuse switches. overload conditions. EFEN uses highly temperature-resistant materials that allow for - A complete range of fuse switches and fuse-links for optimal pro optimum space utilization and reliable operation. tection of all industry-standard UPS systems up to 550 V battery - Specifi c care must be taken to select the correct fuse-links for voltag battery protection. Fuse elements for UPS systems must be resistant to ageing in order to prevent premature tripping under permissible load. - The fuse-link characteristics must be carefully selected accord ing to the UPS system and the battery rating in order to provide reliable full-range protection of the battery. EFEN offers expert
