Feature 1 Main Application: This surge protector is used to defend DC power line system and other equipment from overvoltage and transient overvoltage. 2 PC Material: Made of premium PC material, the surge protector is flame retardant, insulated and heat resistant, ensuring a long life span. 3 Large Discharge Current: The advantages of the protector are large discharge current, low residual voltage, large discharge capacity and quick response time. 4 Safe to Use: This protector is designed with double thermal circuit breaker, which provides more reliable protection, you can choose and use it with confidence! 5 Easy to Install: Adopts DIN rail installation method and the protector is light weight as well, the easy installation can be quickly completed.Item Type: 3P DC Surge ProtectorMaterial: PC Flame RetardantMaximum Continuous Operating Voltage Uc: 600V DCNominal Discharge Current In (8/20 s): 20kAMaximum Discharge Current Imaximum (8/20 s): 40kAMaximum Impact Current Iimp: 6.25kAVoltage Protection Level Up: 2.6kV Package List1 x 3P DC Surge Protector