Tie Top Line Post Insulator ANSI 57-2

Tie Top Line Post Insulator ANSI 57-2

The following line post insulators comply with the ANSI Standard. The glaze colors of the insulators are brown or light gray. The dimension of neck for 57-1, 57-2, 57-3 is in accordance with "F". The dimension of neck for 57-4, 57-5 is in accordance with "N".


Diameter (D): 6 Inches (152mm)

Height (H): 12 Inches (305mm)

Leakage Distance: 22 Inches (559mm)

Dry Arcing Distance: 9 1/2 Inches (241mm)

Mechanical Values:

Cantilever Strength: 2,800Pounds (12.5kN)

Cantilever Strength Routine Test: 1,000Pounds (5kN)

Electrical Values:

Typical Application Voltage: 35kV

Low Frequency Dry Flashover Voltage: 110kV

Low Frequency Wet Flashover Voltage: 85kV

Critical Impulse Flashover Voltage, Positive: 180kV

Critical Impulse Flashover Voltage, Negative: 205kV

Radio Influence Voltage Data:

Test Voltage RMS to Ground: 22kV

Maximum RIV at 1000 kHz: 100μV

Packing and Shipping Data:

Net Weight, Approximate: 8.0kg