Medium-voltage pin type insulator ANSI 55-5

Medium-voltage pin type insulator ANSI 55-5

The following pin insulators comply with the ANSI Standard. The glaze colors of the insulators are brown or light gray.


Diameter (D): 7 Inches (178mm)

Height (H): 4 7/8 Inches (124mm)

Leakage Distance: 12 Inches (305mm)

Dry Arcing Distance: 6 1/4 Inches (159mm)

Min Pin Height: 6 Inches (152mm)

Mechanical Values:

Cantilever Strength: 3,000Pounds (13.6kN)

Electrical Values:

Typical Application Voltage: 15kV

Low Frequency Dry Flashover Voltage: 80kV

Low Frequency Wet Flashover Voltage: 45kV

Critical Impulse Flashover Voltage, Positive: 130kV

Critical Impulse Flashover Voltage, Negative: 150kV

Low Frequency Puncture Voltage: 115kV

Radio Influence Voltage Data:

Test Voltage RMS to Ground: 15kV

Maximum RIV at 1000 kHz: 100μV

Packing and Shipping Data:

Net Weight, Approximate: 2.5kg