Features： 1、FOR POWER SUPPLY: This AC surge protector is suitable for use in low voltage standard IEC EN 61643‑11 to protect AC power line systems and other equipment from overvoltage and transient overvoltage 2、FAST DISCHARGE: Come with large discharge current, low residual current, large discharge capacity, quick response time, pluggable 3、DIN RAIL INSTALLATION: DIN rail installation, remote alarm terminal is optional, stable and reliable 4、THERMAL BREAK PROTECTION: Dual thermal circuit breaker provides more reliable protection, very practical 5、 PC: Adopt PC flame retardant material, possess a wide range of temperature, good size stability, good weather resistance, electrical characteristics, no deformation, corrosion resistance Specification： Item Type: Surge Protective Device Material: PC flame retardant Maximum Continuous Operating Voltage Uc: 275VAC Nominal Discharge Current In (8/20μs): 20kA Maximum Discharge Current Imax(8/20μs): 40kA Maximum Impulse Current Iimp: 5kA Voltage Protection Level Up: 1.5kV Package List： 1 x Surge Protective Device