GCK hom low-voltage drawer switchgear yog siv nyob rau hauv fais fab nroj tsuag, substations, petrochemical, metallurgical dov, lub teeb muaj textile thiab lwm yam factories thiab mining lag luam thiab thaj chaw nyob, high-sawv vaj tse thiab lwm qhov chaw, raws li AC 50 ~ 60Hz, rated ua hauj lwm voltage AC 660V thiab qis dua lub zog hluav taws xob ntawm cov khoom siv hluav taws xob faib hluav taws xob rau kev hloov hluav taws xob, faib thiab tswj.