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Evaluation Criteria for Test Methods for Fuse Box Holders

①以额定电流通电1小时后保险丝不会断开。


②以额定电流通电后,保险丝座的温度上升不到75度


③向保险丝通入2倍的额定电流后,保险丝将在1分钟以内熔断


④加上额定短路容量时,不会连续发生电弧或点火