Feature: 1. Main Application: The surge protector can well defend DC power line system and other equipment from overvoltage and transient overvoltage. 2. PC Material: Made of premium PC material, this surge protector is flame retardant and fire resistant, ensuring a long life span. 3. Large Discharge Capacity: The advantages of the protector are large discharge current, large discharge capacity, quick response time, pluggable, and low residual voltage. 4. Quick Response: This surge protector features a quick response, which can defend your DC system immediately and effectively 5. Safe to Use: This protector is designed with double thermal circuit breaker, safe and reliable for long time use. Specification: Item Type: 2P DC Surge Protector Material: PC Flame Retardant Maximum Continuous Operation Voltage Uc: 1000VDC Nominal Discharge Current In (8/20 μ s): 20kA Maximum Discharge Current Imaximum (8/20 μ s): 40kA Maximum Impact Current Iimp: 6.25kA Voltage Protection Level Up: 3.6kV. Package List: 1 x 2P DC Surge Protector