ETI EFI-4 Four Pole Earth Leakage Circuit BreakerThe ETI EFI 4 Four Pole Earth Leakage Circuit Breaker is a premium safety device engineered to protect people and electrical installations from earth leakage faults and electric shock hazards. With its four pole configuration, it provides full protection across three phase systems, ensuring reliable disconnection of live and neutral conductors when leakage current exceeds the rated sensitivity. Compact and durable, the EFI 4 is widely used in
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