Function: 1. Main Application: This surge arrester is mainly used do protect electrical systems and equipment from transient lightning and surge loads. 2. Fast response: When an abnormal situation occurs in the circuit, the protector will open quickly within nanoseconds, quickly and effectively defending the safety of the circuit. 3. PC coating: The surge protector coating is made of PC material, which is fireproof and fireproof, effectively protect the exact chip, which is the core of the protector. 4. Good build quality: The protector is well made with a modular design that is very easy to use and maintain. 5. Easy to install: ma compact size and rail installation, easy installation can be completed quickly in a few steps. Specification: Item Type: Surge Protector AC Material: PC fire retardant Maximum continuous operating voltage Uc: 420 V AC Nominal discharge current in: 20kA (8/20μs) Maximum discharge current Imaximum: 40kA (8/20μs) Increased voltage protection level: less than or equal to 1,8KV Number of Poles: 4P Installation: 36 MM rail Protection Class: IP20 Operating temperature: -40 do 80 , humidity: less than or equal to 90% (average 25 ) List of packages: 1x Surge protector AC