11kV Silicon Ganga is a commonly used name in Nigeria for a medium-voltage surge arrester installed on 11kV power lines and transformers. It protects electrical systems from lightning and voltage surges.
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What It Does
• Diverts lightning strikes and sudden high voltage safely to earth
• Protects transformers, cables, and switchgear from damage
• Prevents equipment failure and power outages
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Construction
• Made with silicon rubber (polymer housing) or sometimes porcelain
• Inside contains metal oxide varistors (MOV blocks) that absorb surge energy
• Has terminals for line connection and earthing (grounding)