Q: How much does a 16-string PV combiner box typically cost? A: Expect $220-$480 per unit for commercial-grade models. Industrial versions with enhanced protection reach $550-$800. Let's break down the key factors that influence. EKDBT-PV16/1-BFS-1500 is a premium 1500V DC combiner box engineered for large utility-scale solar power plants. With 16 input strings and 400A output capacity, this industrial-grade unit features a robust metal enclosure (IP65/IK10) and comprehensive protection components for demanding high-voltage. Discover pv combiner box prices with IP65 waterproof, CE certification, and 1500V rating. It is a specialized enterprise engaged in the research and development, production, and sales of photovoltaic distribution products such as photovoltaic DC combiner boxes, photovoltaic AC combiner boxes, photovoltaic grid boxes, photovoltaic connectors, SPDs, photovoltaic fuses, and conversion. Solar String Box 16 Input 1 Output 1000V IP65 DC Combiner Box for PV Safety The combiner box is a wiring device in the photovoltaic power generation system that ensures the orderly connection and confluence function of photovoltaic modules. It is considered the interface between the solar inverter and solar panels.