NSPV Solar BIPV Junction Box Series

1. DC1500V PPE material,

2. Two rated current options:
A: 14A (with a 20A diode)
B: 18A (with a 25A diode).
3. Typical contact resistance: ≤5mΩ , IP68

4. Range of cable gland O.D : 5.5mm

5. Ribbons size(mm): 6(W)*0.2-0.4(T)

6. Suitable cable cross sections: 4sqmm

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Product Introduction

NSPV BIPV PV Junction Box is designed specifically for building-integrated photovoltaic (BIPV) applications, providing a reliable and efficient connection solution for solar modules. Featuring an IP68 protection rating with potting, it offers excellent resistance against water ingress, UV exposure, and harsh environmental conditions, ensuring stable long-term operation in various climates.

With a rated voltage of 1500V DC and available current ratings of 14A (20A diode) and 18A (25A diode), the junction box is suitable for high-performance photovoltaic modules and different BIPV system configurations. Its integrated bypass diode design helps improve module safety by reducing the risk of hot spots caused by partial shading or abnormal operating conditions.

The optimized electrical design provides stable current transmission and reliable power output. Manufactured with durable PPE housing materials and featuring UL94-V0 flame resistance, the junction box offers excellent mechanical strength, thermal stability, and environmental durability. The compact NSPV design simplifies installation, inspection, and maintenance while supporting flexible cable configurations with 4.0mm² cable compatibility.

Certified according to international photovoltaic safety requirements, the NSPV BIPV Junction Box ensures dependable performance, enhanced module protection, and long service life for modern solar building applications.

Product Specifications

Rated Current	Available in different current ratings depending on the model: 14A with 20A diode and 18A with 25A diode. The integrated bypass diode provides reliable protection against abnormal current conditions and helps improve module safety.
Rated Voltage	Supports up to 1500V DC, making it suitable for high-voltage photovoltaic modules and modern BIPV solar applications.
Contact Resistance	With typical contact resistance of ≤5mΩ, the junction box ensures reliable electrical conductivity and helps reduce power losses during long-term operation.
Cable Compatibility	Designed for photovoltaic cables with a cross section of 4.0mm², providing reliable electrical connection for BIPV module applications.
Brand Design	NSPV compact design provides a streamlined structure for easy integration into BIPV modules, simplifying installation while maintaining reliable performance and aesthetic requirements.

Our Features

NSPV Solar Panel BIPV Junction Box for DC 1500V features a positive-middle-negative configuration and offers a variety of connector options. It boasts an IP68 waterproof rating, is TUV certified, and is compatible with the following MC connectors:

PV4.0 for DC 1500V
PV4.0 for DC 1000V
PV3.0 for DC 1000V
Mini connector for DC 1500V

Our Advantages

● Enhanced Safety: The IP68 rating and robust construction ensure protection against environmental factors, reducing the risk of electrical faults and ensuring user safety.

● Efficiency Optimization: Low contact resistance translates to minimal power loss, maximizing the energy output of the solar system.

● Versatility: Compatible with a broad range of cable sizes and voltage requirements, making it adaptable to diverse solar installations.

● Durability: Made from high-quality materials, the junction box withstands extreme temperatures, UV exposure, and mechanical stress, ensuring long-term reliability.

Application

NSPV Solar Panel's BIPV Junction Box is ideal for integrating solar power into building facades, roofs, and other architectural elements. It is suitable for residential, commercial, and industrial projects where aesthetics and functionality are equally important. Its high voltage and current ratings make it suitable for large-scale solar farms as well, where efficiency and reliability are paramount.

FAQ

What does IP68 rating mean?

IP68 indicates that the junction box is dust-tight and can withstand immersion in water up to 1 meter for 30 minutes, ensuring protection against environmental elements.

Can this junction box be used with any solar panel?

While it is compatible with a wide range of solar panels, it's essential to ensure the panel's voltage and current ratings do not exceed the junction box's specifications for optimal performance and safety.

Is the NSPV junction box TUV and IEC certified?

Yes, the NSPV BIPV PV junction box meets TUV and IEC standards, ensuring compliance with international safety and quality benchmarks.

How does the low contact resistance benefit my solar system?

Low contact resistance reduces power loss during transmission, enhancing the overall efficiency of your solar system, leading to higher energy yields and cost savings over time.

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