Features 1、LONG LASTING MATERIAL: The PV surge protecting device is made of excellent PC material, which is long lasting, reliable, and has a long lifespan, ensuring good performance 2、MULTIPLE PROTECTIONS: PV surge protector has overcurrent and overvoltage protecting functions, effectively protecting the DC power system 3、HIGH EFFICIENCY: Efficient design enable surge protectors to achieve better results in electromagnetic interference and thunder protect, providing a higher level of protecting 4、INSTALLATION METHOD: 2P surge protector use a standard 35mm guide rail for easy installation and used in conjunction with distribution box circuit breaker 5、WIDE APPLICATION: Surge protector is suitable for photovoltaic DC power systems and various other DC power systems, and has a wide range of application value Specification Item Type: PV Surge Protecting Device Material: PC Model: CHLT-40PV Maximum Voltage: DC 500V Nominal Discharge Current In: 20kA(8/20μs) Maximum Discharge Current Imax: 40kA(8/20μs) Voltage Protecting Level: ≤3.0kV Indication: Green for normal, red for fault Installation: Approx. 35mm / 1.38in standard rail Number of Poles: 2P Package List 1 x PV Surge Protector