1、SIMPLE OPERATION AND RELIABLE: The automatic switch not only support automatic mode, but also can be operated by manual button, simple operation, reliable performance. When A power supply fails (only normal A phase voltage and standby A phase voltage are tested, only voltage loss or phase loss is tested), one or more load circuits are automatically connected from one power supply to another to ensure normal supply of load circuits 2、MULTIPLE PROTECTIONS: Automatic transfer switch support many protection functions, including short circuit, overload, phase loss, undervoltage protection, safe and more stable 3、SAFE AND FLAME RETARDANT: Dual power automatic transfer switch is made of excellent flame retardant PC materials, possess good insulation, high temperature resistant, aging resistant, safe and reliable, using silver contacts can greatly improve the conductivity and service life 4、FOR HOUSEHOLD: The ATS has compact structure, reliable transmission, convenient installation and maintenance, long service life, can be installed vertically or horizontally, convenient and reliable power installation 5、WIDE APPLICATION: Convert the common power supply to the standby power supply automatically or manually. The automatic transfer switch is mainly used in hospitals, shops, banks, chemical, metallurgy, high rise buildings, military facilities and other important occasion that do not allow power outage Item Type: Dual Power Automatic Transfer Switch model: NLQ5 125 4P Material: PC flame retardant and silver Pole: 4P ATS Product Category: CB micro break Conversion Time: Less than 2s Operating Frequency: 50 or 60Hz Installation Method: Screw fixed 1 x Dual Power Automatic Transfer Switch 1 x User Manual