Anhuang yihariye mu gukingira igipfundikizo gikingira, dutanga igipfundikizo cyiza cyane gikingira gikingira.

Umupfundikizo w’uburinzi wa 25kV 250A ni igikoresho cy’inyongera cyagenewe gukingira no gufunga mu buryo bw’ikoranabuhanga imiyoboro y’uburinzi. Iyo ifatanye n’ikintu gihagarika imiyoboro kandi insinga y’amazi igahambirwa ku butaka, Umupfundikizo w’uburinzi utanga igipfundikizo cyuzuye kandi gishobora gukingira imiyoboro y’uburinzi. Umupfundikizo w’uburinzi urashobora gukoreshwa mu gushyiraho imiyoboro ihoraho cyangwa y’agateganyo ku miyoboro ya 250A, aho ihurira cyangwa imiyoboro y’uburinzi ihagarara.