Feature: 1. Stable Controller: Has the function of simulating mains power, and can flexibly select the starting conditions of the unit, very useful. 2. Better in Display: Equipped with 4 bit LED digital tube, it can display the voltage and frequency of mains power and power generation. 3. Smart for Setting: All parameters can be set through the panel keys, and the ATS controller supports both manual and automatic operation. 4. Modular Structure: All connections are completed through standard terminal block thanks to the modular design, very easy to install. 5. Waterproof Design: Standard waterproof ring, the protective performance of the panel after installation gets to IP54, ideal for outdoor. Specification: Item Type: Automatic Transfer Switch Controller Model: ATS220 Material: ABS Function: For power switching control. Display: LED Normal Mains Power Delay: 0-6500s, Default Value: 10s. Abnormal Mains Power Delay: 0-6500s, Default Value: 5s. Normal Power Generation Delay: 0-6500s, Default Value: 10s. Start Up Delay Of Generator Set: 0-6500s, Default Value: 1s. Shutdown Delay Of Generator Set: 0-6500s, Default Value: 5s. Closing and Opening Pulse Width: 1.0-10.0s, Default Value: 10.0s. Conversion Interval Delay: 0-3600.0s, Default Value: 1.0s. Overconversion Delay: 0-20s, Default Value: 20s. Generator Over Frequency Alarm Value: 40-80.0Hz, Default Value: 57.0Hz. Generator Underfrequency Alarm Value: 0-70.0Hz, Default Value: 40.0Hz. Generator Overvoltage Alarm Value: 0-360V, Default Value: 264V. Generator Undervoltage Alarm Value: 0-360V, Default Value: 192V. Enabled Closing Status Input: 0 - Disable Mains Frequency Indication: The indication is the current displayed parameter value is mains frequency. Generation Frequency Indication: The indication is the current displayed parameter value is the generation frequency. Indication of Mains Closing: It will be on when mains closing is effective. Power Generation Closing Indication: Lighting up when power generation closing is effective. Automatic Mode Indication: Lighting up when working in automatic mode and turns off when working in manual mode. . Package List: 1 x Automatic Transfer Switch Controller2 x Wire Terminal2 x Fixing Screw1 x User Manual