ʻO GDJB-802 3 Phase Secondary Current Injection Relay Protection Test Device he kuleana nui i ka hana ʻana i nā ʻōnaehana uila me ka hilinaʻi a me ka palekana.Hiki iā ia ke hoʻoholo maʻalahi i ka over-current, over-voltage, overload, short circuit, kiʻekiʻe wela, ʻike ʻole a me nā ʻōlelo aʻo no ka hana hewa.