Automatic Transfer Switch Controller Dual Power ATS IP54 Waterproof 30‑300V for Electricity Item Type: Automatic Transfer Switch Controller Model: ATS220 Material: ABS Function: For power switching control. Display: LED Power Generation and Mains Voltage: 30-300V 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. Low Voltage Tripping Value of Mains Supply: 55-330V, Default Value: 184V. Low Voltage Return Value of Mains Power: 55-330V, Default Value: 207V. Mains High Voltage Tripping Value: 55-330V, Default Value: 276V. High Voltage Return Value of Mains Power: 55-330V, Default Value: 253V. 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 Voltage Indication: The indication is currently displayed as mains voltage E. When the load is switched to mains voltage, the mains voltage will be automatically displayed. Mains Frequency Indication: The indication is the current displayed parameter value is mains frequency. Generation Voltage Indication: The indication is currently displayed as generation voltage. When the negative line is switched to generation, the generation voltage will be automatically displayed. Generation Frequency Indication: The indication is the current displayed parameter value is the generation frequency. Mains Power Status Indication: It is always on when the mains power is normal, flashes when the low voltage and high voltage alarms are given, and goes out when there is no mains power. Indication of Mains Closing: It will be on when mains closing is effective. Power Generation Status Indication: It is always on when power generation is normal, flashes when low voltage and high voltage alarm, and goes out when there is no mains power. 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.