{"product_id":"chint-nm8n-mccb-nm8n-125s-250s-400s-630s-3p-4p","title":"CHINT NM8N MCCB NM8N-125S\/250S\/400S\/630S 3P \u0026 4P","description":"\u003ch3\u003eCHINT NM8N MCCB NM8N-125S\/250S\/400S\/630S 3P \u0026amp; 4P 63A~630A AC690V Moulded Case Circuit Breaker Overload Short-circuit Undervoltage Protection Switch\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eCHINT NM8N series MCCB (Moulded Case Circuit Breaker) is applied in AC 50\/60Hz, rated AC ≤690V \/ DC ≤1250V circuit up to 1600A rated current. It is used for circuit switching, load carrying, and provides comprehensive protection against overload, short-circuit \u0026amp; undervoltage for distribution lines, electrical equipment and infrequent motor starting protection.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nFrame types: \u003cstrong\u003e125S \/ 250S \/ 400S \/ 630S\u003c\/strong\u003e, available in 3P\/4P pole configuration; rated current options: 63A,100A,125A,160A,200A,250A,400A,630A.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3\u003eCore Parameter\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eCHINT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eNM8N-125S \/ NM8N-250S \/ NM8N-400S \/ NM8N-630S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePole\u003c\/td\u003e\n\u003ctd\u003e3P\/4P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current In\u003c\/td\u003e\n\u003ctd\u003e63A\/100A\/125A\/160A\/200A\/250A\/400A\/630A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003eAC690V 50\/60Hz; DC1250V Max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eOverload inverse-time protection + Instantaneous Short-circuit protection + Undervoltage protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003ePower distribution cabinet, motor control, industrial \u0026amp; residential distribution system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch3\u003eKey Advantages\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003col\u003e\n\u003cli\u003eFlame retardant high-strength plastic housing, strong arc extinguishing performance, stable long-term operation.\u003c\/li\u003e\n\u003cli\u003eTriple protection design safeguards downstream load from abnormal voltage \u0026amp; overcurrent damage.\u003c\/li\u003e\n\u003cli\u003eStandard panel mounting, widely compatible with conventional distribution cabinet installation size.\u003c\/li\u003e\n\u003cli\u003eFull current \u0026amp; frame specifications in stock for fast shipment.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eApplication Scenario\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eBuilding power distribution, HVAC \u0026amp; fan\/pump motor control, industrial machinery power supply, commercial electrical panel.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003ch2\u003eProduct 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