Photovoltaic System with CE & TUV DC1000V-40ka Surge Protective Device (SPD) 1. Product Function Products are mainly used in the DC power supply lighting protection and over-voltage operation protection function. 2. Main features: Use high quality varistor, reliable high-quality assurance and stable performance Modular design, can be charged plug, easy to test or replace With remote alarm device, easy for remote monitoring Adopt temperature control circuit technology, over-current and over-voltage double automatic protection circuit With working and fault display, degradation status is clear at a glance Fast response time, large discharge current capacity, low residual voltage easy to install, maintain simple