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Photovoltaic DC Stringbox
Photovoltaic DC Stringboxes are critical components in solar energy systems, designed to aggregate and protect multiple strings of photovoltaic panels. These enclosures house essential DC-side protection devices such as fuses, circuit breakers, and surge protective devices (SPDs), typically rated for high DC voltages up to 1500V. They ensure saf...
Photovoltaic DC Stringboxes are critical components in solar energy systems, designed to aggregate and protect multiple strings of photovoltaic panels. These enclosures house essential DC-side protection devices such as fuses, circuit breakers, and surge protective devices (SPDs), typically rated for high DC voltages up to 1500V. They ensure safe operation by isolating faults and preventing reverse current flow, with configurations ranging from 2 to 24 strings. The boxes are built with robust IP65 or IP66 enclosures for outdoor installation, featuring DC isolators and monitoring options for string-level current and voltage.
These stringboxes are deployed in utility-scale solar farms, commercial rooftop installations, and residential photovoltaic systems. They are integral to the DC side of inverters, connecting directly to the PV array before the inverter input. Common environments include ground-mounted solar plants, building-integrated photovoltaics (BIPV), and carport solar structures. They also serve in hybrid systems combining solar with battery storage, ensuring safe DC distribution and compliance with grid codes like IEC 60364-7-712.
Our catalog includes subcategories like non-fused stringboxes, fused stringboxes with DC HRC fuses, and smart stringboxes with monitoring units. Key article codes follow patterns such as PV-STRING-XX-YY, where XX denotes the number of strings (e.g., 04, 08, 16) and YY indicates voltage rating (e.g., 1000V or 1500V). Popular models include the PV-STRING-08-1500 for 8-string 1500V systems and PV-STRING-16-1000 for 16-string 1000V setups. We also offer combiner boxes with integrated SPDs and DC disconnectors.
We provide express worldwide shipping and dedicated support from electrical engineers specializing in photovoltaic systems. Our team assists with technical selection, ensuring compliance with local standards and optimal string configuration. With real-time pricing and detailed documentation for each article, we streamline procurement for solar projects of any scale.
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