Feature:1. Excellent PC Material: This dual power automatic transfer switch is made of excellent PC material, which is flame retardant, good insulation, high temperature resistant, anti aging, safe and reliable.2. 2 Operation Modes: This dual power toggle controller has 2 operation modes, can be operated automatically or manually, millisecond switching without power supply, compact structure, reliable transmission.3. 35mm Standard DIN Rail Mounting: This dual power changeover switch adopts 35mm standard DIN rail mounting, which is very convenient for installation and maintenance.4. Multifunctional: This dual power generator changeover switch can be used to test whether the main power supply or backup power supply is normal to ensure the continuity, reliability and safety of the power supply.5. Wide Application: This toggle controller changeover switch has a wide range of applications and can be used in factories, shopping malls, nurseries and other places.Specification:Item Type: Double Power Automatic Transfer SwitchModel: NLQ5 100 2PMaterial: PC Flame Retardant, SilverGrade: PC GradeSpecification: 2PLifespan: Electrical: 2000 Times, Mechanical: 5000 TimesRated Short Circuit Current: 50kAFuse: RT16-00-63AAuxiliary Circuit: 2 Relays, Each relay has two sets of contacts, Capacity: AC220V50HZ le=5yTouch Time: <50msOperation Transition Time: <50msReturn Time: <50msShutdown Time: <50ms.Package List:1 x Dual Power Automatic Transfer Switch2 x Protective Covers1 x Accessory1 x ManualNote:1. The maximum surrounding temperature should not exceed 40 , the minimum should not be lower than 5 , and the average temperature in 24 hours should not be higher than 35 .2. The altitude of the installation site should not be higher than 2000m.3. When the maximum temperature reaches 40 , the installation site relative humidity should not exceed 50%, when the temperature is the lowest temperature 5 , the relative humidity is higher, for example the temperature of 25 , the relative humidity is 90%. Due to temperature changes, special measures should be taken to deal with occasional condensation on the product surface.