The LONGi HPH Series combines High Efficiency, Low LID Mono PERC cells with Half-cut Muti Busbar Technology to improve performance and boost production. This module series has a max system voltage of 1500V and is Fire Rated as Class C (per UL790). 35mm frames reduce weight while still providing the strength and resilience needed to rate 5400Pa for front side static loading and 2400Pa for rear side static loading