Rack mount UPS UTR / TR series 1KVA-6KVA IP/OP: 110/115/120VAC 50/60Hz IP/OP: 220/230/240VAC 50/60Hz APPLICATION: Servers, Data Center, Critical network devices, Sensitive electronic equipment, Telecom... FEATURES: True online double conversion technology with advanced microprocessor control Wide input voltage range Zero transfer time Protection against all types of power problems Self test while start of the UPS Site wiring fault warning On-battery power-on function Smart RS232 communication interface Intelligent slot available Sealed lead-acid, maintenance free battery Contact with us today for more details