Outer-Rib Type Suspension Insulators are suitable for industrial contamination by open profile outer-rib shed.

• Less contamination accumulation than fog type insulator
• Longer leakage distance than aero-dynamic type insulator

Contamination Accumulation Performance

• Dust cycle methods simulates dust/desert/industrial contamination conditions
• Contamination degree of outer-rib type is about 50% of that of fog type insulator.

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