YC jerin model YC421-350 ne 6P plug-in m block don kewaye sadarwa tare da wani halin yanzu na 12Amp da wani AC irin ƙarfin lantarki na AC300V. Wannan ƙirar tana ɗaukar ƙirar plug-in, wanda ya dace da masu amfani don haɗawa da tarwatsawa. Babban manufarsa ita ce fahimtar haɗi da rarraba wayoyi a cikin kayan lantarki da da'irori. Saboda aminci da kwanciyar hankali, YC jerin samfurin YC421-350 ana amfani dashi sosai a fannoni daban-daban, kamar sarrafa kansa na masana'antu, tsarin wutar lantarki, da kayan sadarwa. Ana siffanta shi da sauƙin toshewa da cirewa, shigarwa mai sauƙi, da ikon jure manyan igiyoyin ruwa da ƙarfin lantarki don tabbatar da aminci da kwanciyar hankali na ma'aikata.