SPD DC 1000V 20KA~40KA House Surge Protector Protective Low-voltage Arrester Device This surge protector mainly used light volt power distribution system of lightning surge protection or other transient overvoltage.Products built for high voltage dc power supply overheating over-current protection function, can provide grade C for photovoltaic (pv) power system transient protection.Products using 35 mm DIN rail installation, module can change independently, easy to install and maintain, with remote communication alarm interface (dry contact), surge protector to facilitate remote monitoring. Technical parameters Nominal PV System Voltage 500V/600V 1000V 1200V MCOV [UCPV] 630Vdc/700v 1170Vdc 1200Vdc Max System Discharge Current (8/20 s) [lmax] 40kA 40kA 30kA Voltage Protection Level [UP] 2.5kV 4.0kV 4.5kV Voltage Protection Level at 5kA [UP] 2.0kV 3.5kV 4.0kV Integrated Fuse Breaking Capacity/Interrupting Rating 30kV/1000Vdc 30kV/1000Vdc 30kV/1200Vdc Technology Short-Circuit Interruption (SCI) Overcurrent Protection Operating Temperature Range [TU] 40 to +80 Nominal Discharge Current (8/20 s) [(DC+/DC)> PE] [In] 12.5kA Response Time [tA] <25ns Operating State/Fault Indication Green (good)/Red(replace) Conductor Ratings and CroSectional Area: Minimum 60/70 1.5mm/14AWG Solid/Flexible Maximum 60/70 35mm/2AWG Stranded/25mm/4AWG Flexible Mounting 35mm DIN Rail per EN 60715 Enclosure Material UL 94V0 Thermoplastic Degree of Protection IP20 Capacity 3 Modules, DIN 43880 Standards Information: IEC 6164311 Type 2,IEC 616431 Cla II Product WarrantyProduct Warranty Five Years** Remote Contact Signaling Remote Contact Signaling Type Changeover Contact AC Switching Capacity (Volts/Amps) 250V/0.1A DC Switching Capacity (Volts/Amps) 250V/0.1A; 125V0.2A; 75V/0.5A Conductor Ratings and Cro-Sectional Area for Remote Contact Signal Terminals 60/75 Msx. 1.5mm/14AWG Solid/Flexible Ordering Information Order from Catalog Numbers Above Certificate Contact information:Please contact me if you have any problem