Features * Double conversion online design, output zero transfer time; * Adopt DSP digital control, excellent performance indicators, make the control system more steady and reliable; * Ultra-wide input voltage range; * With LCD+LED real-time display, users can intuitively understand the UPS operating status; * With self-diagnosis function, it can detect hidden faults of UPS in time; * N+1 parallel redundant design. can realize 3 parallel connections, greatly improved system reliability; * In the absence of city power, the battery can be cold-started directly; * Standard RS232 communication interface enables UPS and computer to realize multi-function and multi-purpose monitoring and management operations through computer window and can install SNMP card (optional) to realize UPS remote monitoring function.