... phases. IAC-380 series can support both 3-phase and 1-phase power test. The most powerful unit can provide ... -380 series can co-work in parallel perfectly. Phase sequence test: automatically detect the phase sequence of the generator & UPS. Adopting 5.7 ... Mode5.7 inch colorful touching LCD, English operating menuDisplay Items3 Phase voltage, current, frequency, temperature, power, total energy, run ...