... interference,leaning ability,so that the output power completely pure7) With overload,shortload,short circuit,lack of phase,and automatically by ... (three phase range):1. All models will tolerate input voltage variation of between150 to 250 volts and give a stable 0.+3% output ... The response speed of all models is more than adequate to cope with abnormal changes in the mains supply volts.4. Stabilizers ...