... as surges,spike,blackput,shortages,outages,poor-quality supply Guiding steps for cost effective UPS selection1. ... industry, office automation, personal computer, telecommunication, electric power, scientific research, medical treatment, bankModelTP815Rated capacity15KVA/12KW ... /60load) Frequency50/60Hz±0.5%(On battery)Power factor0.8Wave-formSine waveTotal Voltage harmonics distortionLinear load ...