Header box suitable for high power

The utility model discloses a combiner box suitable for high power, and particularly relates to the field of photovoltaic power generation combiner equipment, the combiner box comprises a combiner box body, one side of the combiner box body is provided with a heat dissipation mechanism, and the combiner box body is internally provided with a waterproof mechanism; the heat dissipation mechanism comprises a heat dissipation substrate, and a plurality of heat dissipation fins are fixedly arranged on one side of the outer portion of the heat dissipation substrate. According to the utility model, through the arrangement of the heat dissipation mechanism, when the heat dissipation rod is matched with the heat dissipation fan blades, primary heat dissipation is carried out on equipment in the combiner box body, damage to the equipment in the combiner box body caused by over-high temperature of the equipment in the combiner box body is prevented, then the finned radiator is started, hot air is subjected to heat excha