The installation steps for photovoltaic connectors mainly include three core steps: wire stripping, crimping, and mating. Correct operation ensures safe and efficient system operation.
1. Wire Stripping: Use professional wire strippers to handle the cable, controlling the stripping length to 6~7.5mm.
Avoid cutting more than 5 copper wires during stripping to ensure conductivity.
Recommended tool: PV-AZM wire strippers (suitable for 1.5mm²–10mm² conductors).
2. Crimping: Place the metal core into the corresponding cross-sectional area of the crimping pliers, opening upwards, and insert the stripped cable until the insulation layer touches the crimping core.
After fully crimping, check the crimp quality: no broken wires, exposed wires, burrs, symmetrical left and right, and correct copper wire positioning.
For example, for a 4mm² cable, the pull-out force should be ≥ 310N, and the crimp resistance < 135μΩ (compliant with IEC 60352-2 standard). Recommended tool: PV-CZ crimping pliers, easy to operate and provides stable crimping.
3. Connection: Insert the crimped terminal into the insulator. A "click" sound indicates it is locked.
Gently pull in the opposite direction to confirm a reliable connection, then use a wrench to further tighten.
Finally, insert the positive and negative connectors together. A "click" sound indicates they are properly connected.
