Mersen Surge-Trap K-PV surge protective devices are modular DC SPDs for photovoltaic installations, battery energy storage systems (BESS) and DC charger inputs, DIN-rail mounted with replaceable plug-in cartridges. Class II / PV Type 2 according to IEC/EN 61643-31.
Maximum continuous DC operating voltage Ucpv 1170 V (1000 V version) or 1500 V (1500 V version), nominal discharge current In (8/20) 20 kA, maximum Imax 50 kA, total discharge current Itotal 50 kA, voltage protection level Up ≤3.75 kV (1000 V) or ≤4.75 kV (1500 V). Protection configuration L+/PE, L-/PE, L+/L-, short-circuit withstand Iscpv 20 kA (UL SCCR 50/65 kA), response time ≤25 ns, dynamic thermal disconnection, optional remote signalling contact. Standards: IEC/EN 61643-31, UL 1449 5th Edition.
For protection of DC circuits in rolling stock and charging and energy-storage infrastructure.
Key features: