CNC 2 Pole KWH VA Protection Device YC7VA – Ensure Electrical System SafetyUsing the CNC 2 Pole VA Protection Device KWH YC7VA will help to ensure the lifetime and safety of your electrical equipment. Designed for dependability in surge protection, this high end device protects your systems from perhaps harmful voltage swings. It is perfect for protecting single phase electrical networks and hence for use in homes, companies, and industrial buildings. Characteristics Essential: Combining overvoltage and undervoltage