Photovoltaic junction box

Photovoltaic junction box protection box is a connector between the square of solar cells formed by solar cell modules and the control device of solar charging. It is a cross-field comprehensive design integrating electrical design, mechanical design and material science.The junction box of solar cell module is very important in the composition of solar cell. Its main function is to connect the power generated by solar cell to the external circuit.The junction box is glued to the back plate of the component by silica gel, and the lead wires in the component are connected to the internal wires in the junction box, and the internal wires are connected to the external wires to guide the components to the external wires.There are diodes in the junction box to ensure that the components can work normally when the light is blocked.

Main features of photovoltaic junction box:

1. The shell is made of imported advanced raw materials, with extremely high anti-aging and uv resistance;

2. It is suitable for outdoor production under harsh environmental conditions with effective use for more than 30 years;

3. 2 ~ 6 wiring terminals can be built in as required;

4. All connection methods are quick connection and insertion.

The common types of photovoltaic junction boxes are as follows:

(1) traditional photovoltaic junction box

Traditional photovoltaic junction box

Product features:

1, the shell has a strong anti-aging, uv resistance

2. Suitable for outdoor harsh environment

3. Pv-jb003-6 junction box is specially designed for solar modules

4. The internal wiring block is made of circuit board and plastic

5. The cable is welded

6. The power of the junction box can be changed by assembling different secondary tubes

(2) small type photovoltaic junction box sealed with adhesive

Sealed adhesive compact photovoltaic junction box

Product features:

1. Excellent resistance to high and low temperature, fire prevention, aging resistance and uv resistance, able to meet the requirements of long-term use under harsh outdoor conditions.

2, excellent waterproof and dustproof effect, sealed by pouring glue.

3. Small shape, ultra-thin design, simple and practical structure, and suitable for 90W crystalline silicon photovoltaic modules or thin-film photovoltaic modules.

4. The bus-bar and cable are connected by welding and crimping respectively, and the electrical performance is safe and reliable.

(3) special photovoltaic junction box for glass curtain wall

Special photovoltaic junction box for glass curtain wall

Product features:

1. Excellent resistance to high and low temperature, fire prevention, aging resistance and uv resistance, able to meet the requirements of long-term use under harsh outdoor conditions.

2, excellent waterproof and dustproof effect, sealed by pouring glue.

3, small shape, simple and practical structure, suitable for thin film photovoltaic modules, widely used in the field of solar photovoltaic building integration.

4. The bus-bar and cable are connected by welding and crimping respectively, and the electrical performance is safe and reliable.