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E-Tech Online High Frequency UPS 1KVA 2KVA 3KVA , Smart Eco UPS Introduction: E-Tech series Online HF UPS 1-5K has adopted highest level DSP controlled UPS. With advanced DSP technology, it’s not only high stable but also with excellent performance. Perfect Application: Network, data centre, servers and workstations, control system, communication system and office etc. Features: Output power factor 0.9,offering more stronger load capability; Online double conversion with DSP