Nkọwa dị mkpirikpi:

HWS21-63 usoro bụ otu n'ime akpaka reclosing echebe mepụtara nanke sinoasian mepụtara

teknụzụ, na-enye ọtụtụ ọrụ (n'elu unver voltaji, overcurrent, ntapu ụwa, ezigbo

Ngosipụta, jikọọ na akpaaka na nhazi nhazi) na 40-60Hz, ejiri ya na gburugburu ebe obibi.

eletriki, ụlọ ọrụ na azụmahịa