... comprehensive protection function, including the system input voltage phase, power protection, since the diagnosis fault protection, etc.4. Indicator ... up AC380V POINTS: for AC220V+/-20%, use life 100,000 times.2. Switch 2000V switch power voltage: acuities than 2W3 ... neutral (N).6. Ordering instruction1. The composite switch choice for power, refer to the total capacity of the three phase capacitor ...