Dịka ọkachamara n'ihe gbasara nchekwa eletriki, YUANKY wepụtara KNL6-63 Series Residual Current Circuit Breaker (RCCB), ngwaọrụ nchekwa dị elu nke e mere iji chebe ndị ọrụ na sistemụ eletriki site na ihe mberede eletrik na ihe egwu ọkụ nke mmiri na-agbapụta. RCCB a nwere ogidi abụọ nwere voltaji ọrụ nke 230/400V, ọkụ eletrik ruru 63A, yana ikike mgbawa sekit dị mkpụmkpụ nke 10kA, na-enye arụmọrụ kwụsiri ike na nke a pụrụ ịtụkwasị obi maka ngwa ụlọ ọrụ, azụmahịa na ebe obibi zuru ụwa ọnụ.

Dabere na Iwu Ugbu a nke Kirchhoff, KNL6-63 na-arụ ọrụ na Core Balance Current Transformer (CBCT) dị n'ime iji nyochaa nguzozi nke ugbu a na waya ndị dị ndụ na ndị na-anọpụ iche. N'ọnọdụ nkịtị, ihe ndị na-abata na ihe ndị na-apụ apụ hà nhata; mgbe nsogbu mmiri ozuzo mere (dịka ọmụmaatụ, ihe mkpuchi mebiri emebi ma ọ bụ kọntaktị mberede), enweghị nha anya ugbu a na-akpali ngwaọrụ ahụ, nke na-ada ozugbo n'ime ≤0.1s (≤0.04s na 5×IΔn) iji gbanyụọ ike. Bọtịnụ nnwale arụnyere n'ime ya na-enye ohere ịnweta nkwenye ọrụ dị mfe, na-eme ka ọrụ a pụrụ ịtụkwasị obi ruo ogologo oge.

N'ikwekọ na ọkọlọtọ mba ụwa dịka IEC 61008, CE na SIRIM, KNL6-63 na-akwado ọtụtụ ọkwa mmetụta uche (30mA, 100mA, 300mA, 500mA) iji mezuo ihe ahịa dị iche iche chọrọ. Nhazi modular ya dị obere na-eme ka ntinye dị mfe na bọọdụ nkesa, ebe ihe mkpuchi dị elu na-eme ka ọ sie ike na gburugburu ebe siri ike. A na-etinye ya n'ọtụtụ ebe obibi, ụlọ azụmahịa, igwe ụlọ ọrụ mmepụta ihe, kabinet nkesa ike na sistemụ anyanwụ, ọ bụ ngwọta nchekwa a pụrụ ịtụkwasị obi maka ndị mmekọ ụwa niile, na-enyere ha aka iru ụkpụrụ nchekwa mpaghara ma nweta ohere ahịa.