This series of household dual power automatic transfer switchis the late st micro household power transfer switch developed by our company.The switch belongs to the PC class infrequent transfer switch two positions structure suitabl e for AC 50 60Hz rated current 6A-63A AC power distributi on system, mainly used to detect whether the user’s power supply is normal or standby.When the common power supply is abnormal immediately switch to the standby power supply,Switch inside the used mechanical and electric interlock,put an end to clear condition of two way power switch at the same time.so as to ensure the continuity,reliability and security of the power supply.