Model Number: ANSI 55-3 Brand Name: SASUN Key Specifications/Special Features: Pin type ceramic 55-3 isolator with spindleOur Company is an enterprise engaged in exporting all kinds of insulators, such as suspension insulator/spool insulator/shackle insulator/stay insulator/pin insulator/line post insulator/wiring insulator etc., we specialized in this field for more than 20years in China. Withhighquality, competitive price and timely delivery, we hope that we can establish of a long-term friendly cooperative relationswith all of you. ANSI CLASSJan-55Feb-55 Mar-55 Apr-55 May-55 Jun-55 Jul-55 Fig. No. 1 2 3 4 4 4 4 Glazed A:Plain B:Radio Freed A/B A/B A/B A/B A/B A/B A/B Main Dimension H 89 82.6 95.3 111.2 123.9 140 140 h 44.5 38.1 38.1 44.5 50.8 57 57 D 82.6 95.3 120.7 140 177.8 213 213 d 25.4 25.4 25.4 25.4 25.4 25.4 35 R1 - 16 14.3 25.4 25.4 25.4 25.4 R2 13 16 14.3 14.3 14.3 16 16 Nominal Voltage kV 3 6 10 10 15 22 22 Creepage Distance/mm 102 127 178 229 305 381 381 Flashover voltage Power Frequency Dry/kV 35 50/45 65/55 70/65 85/80 100 100 Wet/kV 20 25 35/30 40/35 45 50 50 50% Impulse Positive/kV 50 75/70 100/90 110/105 140/130 150 150 Negative/kV 70 95/85 130/110 140/130 170/150 170 170 Radio Influence voltage Test Voltage to ground/kV 5 5 10 10 15 22 22 Maximum RIV at 1000kHz/uV 2500/50 2500/50 5500/50 5500/50 8000/100 8000/100 8000/100 Low-Frequency Puncture Voltage kV 50 70 90 95 115 135 135 Dry Arcing Distance (mm) 57 86 114 127 159 203 203 Cantilever Failing Load (lb) 3000 2500 2500 3000 3000 3000 3000