Feature: 1. Operation Mode: Double power automatic transfer switch can be operated automatically or manually, widely used in various places where continuous power failure is not allowed. Specially used for PZ30 power distribution box. 2. Working Principle: When the automatic transfer switch works, when the normal power supply is abnormal, the standby power supply works immediately. When the normal power supply is turned on, it will automatically switch back to normal power supply from the standby power supply, ensuring a continuous and reliable power supply. 3. Reliable Transmission: This automatic transfer switch is suitable for 50 or 60Hz AC rated 100A emergency power supply system with compact structure, reliable transmission, standard 35mm rail mounting and easy installation and maintenance. 4. Self Throwing and Self Returning: The double power automatic transfer switch is self throwing and self returning type with stable performance, widely used in families, factories, laboratories, farms, etc. 5. PC and Silver: The changeover switch is made of flame retardant PC material, with good insulation and high temperature resistance, and silver contact anti aging, safe, reliable and anti interference. Specification: Item Type: Dual Power Automatic Transfer Switch Material: PC, silver Switch Type: Secondary power distribution Rated Current: 100A Rated Frequency: 50Hz 60Hz Electrical Grade: PC grade isolation type Touch Time: