Device Surge protector of Tension, 2P CIRCUIT PROTECTION: Surge protectors are used to protect DC power systems from lightning or power surges.The rated discharge current is 20kA and the maximum discharge current is 40kA.Safety protection, can provide a maximum continuous operating voltage of 500V DC, fast response time, safe operation and more stable circuit operation.STABLE PERFORMANCE: Surge protection device with high protection levelIP20, more stable performance, to help you complete your work more efficiently, using DIN rail installation method, easy to install, not occupying space, is a very practical safety tool.It is widely used to provide safety protection for electronic equipment, instruments and communication lines. HIGH QUALITY AND DURABLE: Surge protector uses high quality materials, high efficiency, long service life andmore stable performance.This can help you complete your work more efficiently.It is very convenient to connect the circuit.Simple wiring can be completed in a few minutes.WARM REMINDER: Voltage Surge Protector Device The power supply must be turned off before installation, and over-the-air operation is strictly prohibited;please connect according to the installation diagram when installing, + is the positive pole, - is the negative pole.Switch to check whether the working status is normal. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.