Ferroresonance Protection Devices e-VT GuardActive damping device for use in indoor and outdoor systems, 7-35 kV Publications Application and TechnicalBrochuresInstallation and InstructionPresentations Other Instrument Transformers & Sensors Medium Voltage Sensors Passive Voltage Indicators 600 Volt Current Transformers 600 Volt Voltage Transformers 5 kV–34.5 kV Current Transformers 5 kV–34.5 kV Voltage Transformers 15 kV–34.5 kV Combined Current and Voltage Transformers