Features Millisecond Switching: Enables automatic or manual with millisecond switching, ensuring uninterrupted power supply with its compact structure. Excellent Insulation: Provides reliable transmission, great insulation, easy installation, and maintenance, and longer service life, enhancing safety and efficiency. Working Process: Ensures immediate backup power supply activation in case of abnormal main power supply, guaranteeing continuous, reliable, and safe power supply without disruptions. PC and Silver Contact: Constructed with excellent flame-retardant PC material, high-temperature resistance, anti-aging properties, and reliable silver contact for optimal conductivity and safety. Use Scenario: Widely applicable in homes, shopping malls, factories, latories, farms, and other settings where continuous power supply is vital, preventing power failure. Features: 1、Millisecond Switching: Dual power automatic transfer switch can be operated automatically or manually, millisecond switching without power, compact structure. 2、Excellent Insulation: The double power automatic transfer switch has reliable transmission, great insulation, easy installation and maintenance, and longer service life. 3、Working Process: When the normal power supply is abnormal, the backup power supply works immediately to ensure the continuity, reliability and safety of power supply and to achieve the effect of non stop power supply. 4、PC and Silver Contact: Excellent flame retardant PC material, high temperature resistance, anti aging, safe and reliable, using silver contact, nice conductivity. 5、Use Scenario: The automatic transfer switch is widely used in various situations where continuous power failure is not allowed, such as homes, shopping malls, factories, latories, farms, etc. Specification: Item Type: Double Power Automatic Transfer Switch Model: NLQ4 125 4P Material: PC, silver Rated Frequency: 50Hz 60Hz Insulation Voltage: AC690V 50HZ Rated Voltage: AC400V 50HZ Grade: PC grade Specification: 4P Electrical Life: 2000 times Mechanical Life: 5000 times Rated Short Circuit Current: 50kA Fuse: RT16 00 63A Rated Impulse Withstand Voltage: 8kV Control Circuit: Rated control voltage Us: AC220V 85% Us-110% Us Auxiliary Circuit: Two relays, each relay has two sets of contact capacity: AC220V50HZ le 5y Touch Time: between50ms Conversion Time: between50ms Return Time: between50ms Closing Time: between50ms Use: Switch to standby power when power failure, switch to main power when call Package List: 1 x Dual Power Automatic Transfer Switch 1 x Instruction Manual Note: betweendiv>1. The maximum surrounding temperature sh Package List 1 x Dual Power Automatic Transfer Switch 1 x Instruction Manual