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A DC disconnect switch is used to safely interrupt the direct current flow between the solar panel arrays and the inverter. It is essential for system maintenance, troubleshooting, and emergency shut-offs.
Outdoor electrical installations are exposed to rain, dust, and humidity. High waterproof-rated enclosures (such as IP66) protect the internal contacts from corrosion and short-circuits, ensuring long-term reliability and safety.
The choice depends on the maximum output current of your solar strings. It is recommended to choose a rating that matches or exceeds your system's design requirements, factoring in safety margins according to local electrical codes.
Yes. These switches are specifically designed to safely manage high-voltage DC circuits, making them highly suitable for isolating EV charging units, battery storage modules, and other new energy applications.
The number of poles indicates the number of separate electrical lines the switch can disconnect simultaneously. A 2P switch disconnects two lines (positive and negative of a single circuit), while a 4P switch can isolate four lines, useful for dual strings.