Features AUTOMATIC RESET: This adjustable protector has an automatic reset function to prevent prolonged power outages and respond quickly to prevent undervoltage hazards. DEVICE PROTECTION: Can effectively avoid equipment damage caused by high voltage at the moment of power on or short period of power off and flashing. MULTIPLE PROTECTION: Equipped with over under voltage protection, voltage imbalance protection, phase fault and phase failure protection, overcurrent protection, etc. 3 DIGITAL PANELS: The digital panel displays the working voltage in real time, clear and intuitive, with complete buttons to ensure simple and convenient operation. DIN RAIL MOUNTING: This protector uses standard 35mm DIN rail mounting, convenient and sturdy, with quick response speed and sensitive internal components. Specification: Item Type: Adjustable Voltage Protector Model: CHLT 616 Material: PC Rated Power Supply Voltage: AC230V Working Voltage Range: AC120V-300V Rated Frequency: 50/60Hz Overvoltage Detection Value: 230-300V (factory set 270V) Undervoltage Protection Value: 120V-210V (factory set 170V) Protection Recovery Delay: 1-600s (factory set 30s) Overcurrent Protection Value: 1-63A (factory set 63A) 3 Phase Voltage Imbalance Recovery Value: 5V-95V (factory set 10V) Phase Sequence Switch: ON OFF (factory set ON) Display Type: LED Voltage Measurement Accuracy: ≤1% (within the entire range) Rated Insulation Voltage: 450V Protection Level: IP20 Pollution Level: 3 Altitude: <2000 meter Working Temperature: -5℃-40℃ Humidity: ≤50% or 40℃ (non condensing) Storage Temperature: -25℃-55℃ Installation: 35mm Guide Rail Package List: 1 x Adjustable Voltage Protector Package List 1 x Adjustable Voltage Protector