Features SAFE & FLAME RELAYING: This automatic transfer switch is made of excellent flame retardant PC materials, possesses good insulation, high temperature resistant, aging resistant, safe and reliable, the use of silver contacts can greatly improve the conductivity and service life of the product. SWITCHING MILLESICONDS WITHOUT INTERRUPTION: The automatic transfer switch is very useful, when the normal power supply is abnormal, the backup power works immediately, and the power is switched in milliseconds without interruption. APPLICABLE SCENE: Power transfer switch switch to backup power supply in case of power failure and switch to main power when restoring power, suitable for 50Hz or 60Hz AC 220V emergency power system, widely used in various places where continuous power failure is not allowed, such as factories, shopping malls, nurseries, etc. TWO OPERATION MODES: Power transfer switch supports automatic operation or manual operation, has compact structure, reliable transmission, convenient installation and maintenance, long service life. 35MM STANDARD DIN GUIDE MOUNTING: The dual power circuit breaker is a miniature household power switch, which is mainly used to check whether the main power or backup power is normal to ensure the continuity, reliability and safety of the power supply, designed for mounting guide, especially for PZ30 distribution box. Specifications: Item Type: Dual Power Automatic Transfer Switch Material: PC, Silver Rated Current Le: 80A Ui Isolation Voltage: AC690V EU rated voltage: AC400V Level: PC Level Specifications: 4P Life: Electric: 2000 times; Mechanical: 5000 times Rated short-circuit current: 50kA Fuse: RT16-00-63A Rated Pulse Holding Voltage: 8KV Auxiliary circuit: two relays, each relay has two sets of contacts Capacity: AC220V50HZ le=5y Touch time: <50ms Operation transition time: <50ms Return time: <50ms Power off time: <50ms Installation: standard 35mm guide rail Package List: 1 x Dual Power Automatic Transfer Switch 1 x User Manual Note: 1. The maximum ambient temperature should not exceed 40℃, the minimum should not be lower than -5℃, and the average temperature within 24 hours should not be higher than 35℃. 2. The altitude of the installation site should not be more than 2000 meters. 3. When the maximum temperature reaches 40℃, the relative humidity of the installation place should not exceed 50%; when the temperature is the lowest temperature of -5℃, the relative humidity is higher, for example, if the temperature is 25℃, the relative humidity is 90%. Special measures must be taken to cope with occasional condensation on product surfaces due to temperature changes. Package List 1 x Dual Power Automatic Transfer Switch 1 x User Manual