Dịka ọkachamara n'ịrụ ọrụ eletriki dị ala nke nwere ahụmịhe afọ 20 n'ụlọ ọrụ, YUANKY na-egosi DC S7 SeriesIhe Mgbasa Sekit Ike nke Ike Anyanwụ DC(MCB), ngwọta arụmọrụ dị elu nke ahaziri maka nchekwa na mwepụta sekit DC, nke akwadoro maka ntinye anyanwụ fotovoltaic (PV). Dị na nhazi 1P ruo 4P, ọ na-akwado voltaji ọkwa site na DC250V ruo 1000V, ọkwa ugbu a site na 6A ruo 50A, yana njirimara mkpọda ụdị C (7In-15In). Ọ na-enye ikike mgbawa ọkwa 6kA na ikike mgbawa okirikiri 15kA nwere oke na 250VDC, yana oge nzaghachi ngwa ngwa ≤4ms. Nhazi ọhụrụ ya na-abụghị polarized bụ isi ihe na-eme ka ọ dị mfe iwepụ ọdịiche polarity n'oge waya, na-azọpụta oge nrụnye nke ukwuu ma na-ezere njehie waya.

DC MCB a na-arụ ọrụ na usoro nchekwa abụọ iji dozie nsogbu sistemụ DC a na-ahụkarị. Maka nchekwa oke ibu, eriri bimetallic arụnyere n'ime ya na-agbagọ na okpomọkụ iji kpalite usoro mkpọda, na-ebelata sekit ahụ nke ọma n'okpuru oke ibu na-aga n'ihu iji gbochie mmebi okpomọkụ akụrụngwa. Maka nsogbu sekit dị mkpụmkpụ, mwepụta electromagnetic nwere mmetụta dị elu na-arụ ọrụ ozugbo, na-egbochi nsogbu n'ime ≤4ms iji zere ihe egwu sitere na arcs DC. E ji sistemụ mgbanyụ ọkụ DC ọkachamara rụọ ya, ọ na-edozi ihe ịma aka nke mkpochapu arc na sekit DC na-enweghị ebe ikuku efu na-agafe, na-ahụ na emebi dị nchebe ma dịkwa ntụkwasị obi. Nhazi nrụnye okporo ụzọ DIN na-enye ohere nrụnye dị mfe, ngwa ngwa na kabinet nkesa ọkọlọtọ.

N'ikwekọ nke ọma na ụkpụrụ mba ụwa nke IEC 60947-1/2, ngwaahịa a nwere asambodo CE na akụkọ nnwale CB nke SEMKO nyere, na-emezu ihe achọrọ maka ohere ahịa zuru ụwa ọnụ. Ọ na-arụ ọrụ nke ọma na -5℃ ruo +60℃, na-agbanwe agbanwe na ọnọdụ ọrụ siri ike dị iche iche. A na-etinye ya n'ọtụtụ ebe na sistemụ PV nke ejiri grid/off-grid, sistemụ nchekwa ike batrị, panel nkesa DC, ọdụ telecom, akụrụngwa ike ọhụrụ na sekit njikwa DC ụlọ ọrụ mmepụta ihe, ọ bụ nhọrọ kacha mma maka ndị na-etinye PV, ndị na-ejikọta sistemụ na ndị ọrụ nkwekọrịta eletriki n'ụwa niile. N'ịbụ nke njikwa mma siri ike na ọrụ tupu ahịa na mgbe erechara ahịa zuru oke kwadoro, YUANKY DC MCB na-enye nchebe a pụrụ ịtụkwasị obi, nke na-adịgide adịgide maka sistemụ eletriki DC n'ụwa niile.