Features DEVICE PROTECTION: Can effectively avoid damage to equipment caused by high voltage at the time of power on or a short period of power off and flashing. MULTIPLE PROTECTION: Equipped with overvoltage protection, voltage imbalance protection, phase fault and phase failure protection, over-current protection, etc. 3 DIGITAL PANELS: The digital panel displays the working voltage in real time, clear and intuitive, with full buttons to ensure simple and convenient operation. AUTOMATIC RESET - This adjustable protector has an automatic reset function to prevent prolonged power failures and react quickly to avoid undervoltage risks. DIN RAIL MOUNTING: This protector uses a standard 35mm DIN rail mount, convenient and robust, with fast response speed and sensitive internal components. Specification: Item Type: Adjustable Tension Protector Model: CHLT 616 Material: PC. Nominal supply voltage: AC230V Operating voltage range: AC120V-300V Rated frequency: 50/60Hz Surge detection value: 230-300V (factory setting 270V) Under voltage protection value: 120V-210V (factory setting 170V) Protection recovery time: 1 to 600s (factory set to 30s) Overcurrent protection value: 1-63A (factory setting 63A) Three phase voltage imbalance recovery value: 5V-95V (factory setting 10V) Phase sequence switch: ON OFF (factory setting ON) Display type: LED. Voltage measurement accuracy: ≤1% (throughout the range) Nominal insulation voltage: 450V Protection level: IP20. Pollution Level: 3 Altitude: <2000meters Operating temperature: -5℃-40℃ Humidity: ≤50% or 40℃(non-condensing) Storage temperature: -25℃-55℃ Installation: 35mm guide rail Package list: 1 x Adjustable Tension Protector Package List 1 x Adjustable Voltage Protector