1、EASY INSTALLATION: Dual power automatic switch is a micro household power switch, mainly used to test whether the main power or backup power supply is normal. This product is specially designed for rail installation, specially for PZ30 distribution box. 2、PREMIUM MATERIALS: Flame retardant PC plastic materials have good insulation, high temperature resistance, anti aging, safe and reliable, and silver contacts can greatly improve the electrical conductivity and service life. 3、FAST SWITCHING: When the power supply is abnormal, the backup power supply will work immediately. Millisecond switching ensures the continuity, reliability and safety of the power supply. 4、OPERATION MODE: Automatic or manual operation, millisecond switching without power failure, compact structure, reliable transmission, easy installation and maintenance, long service life. 5、WIDELY UTILIZATION: Switch to backup power when power is cut off, switch to main power when power is restored. It is suitable for emergency power systems with a 50 or 60 Hz AC rating of 110V 80A. Widely used in various situations where continuous power failure is not allowed. Item Type: Dual Power Automatic Transfer Switch Model: NLQ3-125/4P Material: PC, silver. Rated Current Ie: 80A Insulation Voltage Ui: AC 690V Rated Voltage Ue: AC 110V Frequency: 50/60HZ Rated Control Voltage US: 110VAC 85%-110% Us. Level: PC Level Specification: 4P Electrical Life: 2,000 Times Mechanical Life: 5,000 Times Rated Short Circuit Current: 50kA Fuse: RT16-00-63A Rated Impulse Withstand Voltage: 8kV Auxiliary Circuit: 2 relays, each relay has two sets of contact. Capacity: AC 110V 50Hz, le=5y. Touch Time: <50ms Operation Switching Time: <50ms Return Time: <50ms Closing Time: <50ms 1 x Dual Power Automatic Transfer Switch