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NM1-400S/3000 400A เซอร์กิตเบรกเกอร์

NM1: CHINT NM1 series molded case circuit breaker 400: Frame size rated current of 400A (the maximum current rating in this series) ส: Breaking capacity characteristic code (standard type with a breaking capacity of 50kA) 3000: หมายเลขขั้วโลก + release type + accessory configuration First digit "3": 3-เสา (สามเฟส) design "000": Indicates no accessories (no auxiliary contacts, no alarm contacts,…