These are the deeper units designed for installation with a VESDA-E VEU detector (at all fan speeds). The internal charger is EN 54-4 certified and is rated to provide a 3A continuous 24V DC supply. There is space for up to 24 Ah batteries (not provided). The unit also provides a non-certified setting which enables it to power loads up to 3.4A while recharging batteries up to 24 Ah in accordance with EN 54-4.
