Surge-Trap® Pluggable STPT2 Series - 5YPV is the PHOTOVOLTAIC range of Type 2/Class II devices intended for discharging induced voltage surges (8/20 μs), in accordance with IEC/EN 61643-31 standards. Ideal solution for protecting 2 or 3 MPPT, saving space and optimizing cost. DIN rail plug-in format.