{"product_id":"chint-chnt-nxb-63-dual-power-supply-interlock-switch-new-dz47-interlock-con","title":"CHNT NXB Interlock Changeover Circuit Breaker 1P\/2P\/3P\/4P","description":"\u003cp\u003e\u003cspan\u003e\u003cb\u003eCHNT NXB Interlock Changeover Circuit Breaker 1P\/2P\/3P\/4P Dual Power Manual Transfer Switch 6A~63A AC230\/400V Interlocked MCB for Dual Source Power Conversion\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch2\u003eDescription??\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eOriginal CHNT NXB interlock dual power transfer circuit breaker, available poles:1P\/2P\/3P\/4P, rated current range 6A\/10A\/16A\/20A\/25A\/32A\/40A\/50A\/63A, rated voltage AC230V(single phase)\/AC400V(three phase).\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nInterlocking mechanical structure ensures only one circuit is switched ON at a time to avoid two power sources short-circuit; integrated overload, short-circuit \u0026amp; isolation protection, magnetic blow-out arc extinguishing, flame retardant housing, standard DIN rail installation. Widely used for household standby generator, UPS, residential dual mains power switching, small equipment dual-power distribution cabinet circuit conversion.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe Mechanical Interlock Structure\u003c\/strong\u003e:Exclusive interlocking mechanical linkage prevents both circuits closing simultaneously, effectively avoid short circuit caused by two different power source overlap connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Protection Functions\u003c\/strong\u003e:Built-in overload, short-circuit and isolation protection same as standard NXB MCB, safeguard load equipment and power grid from abnormal overcurrent damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Spec Range\u003c\/strong\u003e:4 pole options + full current ratings from 6A~63A, cover single-phase 220V home and three-phase 380V industrial dual-power switching needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlame Retardant \u0026amp; Stable Performance\u003c\/strong\u003e:High-quality flame retardant shell + magnetic blow-out arc extinguishing system, reliable arc breaking, long service life for frequent switching operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application Scenarios\u003c\/strong\u003e:Ideal for household municipal+generator\/UPS backup power, villa dual mains supply, small pump \u0026amp; machine equipment dual-power automatic\/manual switching control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eSpecification\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eValue\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\u003eCHNT????????????\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eNXB Interlock Dual Power Changeover Breaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePole Options\u003c\/td\u003e\n\u003ctd\u003e1P?€?2P?€?3P?€?4P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current\u003c\/td\u003e\n\u003ctd\u003e6A,10A,16A,20A,25A,32A,40A,50A,63A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003eAC230V (1P\/2P ??????)???AC400V (3P\/4P 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