CHINT-182740 OTOMATİK SİGORTA NB1 SERİSİ 1000V 4 KUTUPLU 6KA C The product CHINT-182740 (OTOMATİK SİGORTA NB1 SERİSİ 1000V 4 KUTUPLU 6KA C) is a reliable automatic circuit breaker from the NB1 series. It features a C-curve characteristic with a rated current of 63A and a short circuit capacity of 6kA. Designed with 4P poles, this breaker is built to ensure robust protection. Compliant with N/A standards, it is packaged in BOX format. An ideal choice for modern electrical systems.