1.fast cool,longer life 2.good sealing method 3.more convenient to use,reduce the trouble of assemble 4.high quality module itemstyledimension(L×W×H)cool aluminium plate dimension(L×W)70×70×26.5mm44.5×44.5mmcool wayaluminium plate coolheat dissipation wayaluminium plate (add heat sink)Insulation resistance DC250V,over10MΩ( between heat dissipation aluminium plate and terminal block) )Use humidity ...