pin insulator 55-1

ANSI CLASS ANSI 55-1 Glazed A: Plain B: Radio Freed A/B Norminal Voltage 3kV Creepage Distance 102mm Power Frequency Flashover Voltage, Dry 35kV Power Frequency Flashover Voltage, Wet 20kV 50% Pow Frequency Impulse Flashover Voltage, Positive 50kV 50% Pow Frequency Impulse Flashover Voltage, Negative 70kV Radio Influence Voltage-Test Voltage to Ground 5kV -Maximum RIV at 1000kHz 2500/50µV Power Frequency Puncture Voltage 50kV Dry Arcing Distance 57mm Cantilever Failing Load