Solar connectors

Technical Data

Technical designation : Photovoltaic connector (set including male and female connectors, male and female pins).
Use scenarios : widely used in photovoltaic systems, including for the connection of solar panels, inverters and batteries.
Housing material : PPO, black（Customized colors available）
Core material : Copper, silver/tin plating
Insulation material : PC/PA/PPE (Flame retardant material, available on request)
Locking system (UL) : integrated ; the connection adopts the compression method to connect the male and female heads, with an automatic locking mechanism, easy to open and close.
Isolation resistance : > 500MΩ
Contact resistance : ≤ 0.25MΩ
Protection index : IP67
Wiring specifications : 1.5 ～ 6.0mm²
Connection type : crimping
Style d’installation : direct insertion
Waterproof performance : IP67
Color : noir (customizable color)
Tension : 1000 In DC (IEC 62852), 1500 In DC (2Pfg2330), 600 V DC/1000 V DC/1500V DC (UL)
Rated impulse voltage : 12 kV (1000In DC(TÜV)), 16 kV (1500In DC(TÜV))
Test voltage : DC6000V (50Hz, 1min)
TÜV rated current (85℃) : 17 A (1,5 mm2), 22,5 A (2,5 mm²), 30 A (2,5–6mm2), 39 A (4 mm2/6 mm2), 45 A (10 mm²).
Courant nominal UL : 22,5 A (14 AWG), 30 A (12 AWG/10 AWG), 50 A (8 AWG)
Ambient temperature range : -40 ℃ ～ +85℃(TÜV), -40 ℃ ～ +75℃(UL)
Operating temperature range : -40℃ ～ +125℃
Security level : 1000 In DC : 11, 1500 In DC:0
Temperature limit : 105 ℃(TÜV)
Protection index, once connected : IP65, IP68 (1h/1m), not connected : IP2X
Overvoltage category/pollution level : CATIII/3
Connector contact resistance : ≤0.25mΩ (low value to avoid ignition)
Fire resistance class : UL94-VO
Ammonia resistance (complies with DLG technical specifications) : 1500 h, 70℃/70% relative humidity, 750ppm
Force d’insertion/extraction : ≤50N / ≥50N
Salt spray test, severe class 6 : IEC 60068-2-52
Certification TÜV, Compliant with IEC standard 62852 R60111354
Certification TÜV, complies with standard 2PfG2330 R60087448
UL certified component, compliant with UL6703 E343181
Certification CSA, compliant with UL6703 250725
Certification CQC, compliant with CNCA/CTS0002-2012 CQC16024138286 standard

Points to note

1) Each module factory uses different brands of PV connectors, when extending the cable, be careful not to connect connectors of different brands to each other.

2) If it is not possible to use the usual tools to lock the PV connector, other tools should be used, without damaging the structure of the connector itself.

3) Different brands of photovoltaic connectors and metal PINs do not mix, in addition to specifications that do not match the size of the metal impedance, the number of times it can be plugged and unplugged is not the same.

4) And, during the construction or inspection process, you find that the metal PIN pin has green white spots and other situations, you can use repeated insertion and removal of surface rust, oxidation of the scraping part, but it is recommended to replace the connector.
(Repeatedly plugging and unplugging the connectors will cause the PIN pins to loosen, which will affect the impedance and efficiency of power generation).

5) If moisture enters the circuit and causes a decrease in wire resistance, the inverter goes into ground fault and the system shuts down. If the weather is dry, the inverter starts producing energy again if it detects a normal situation.

6) When choosing PV connectors, Care should be taken to ensure that the outer diameter of the cable matches the connector specifications, otherwise it is impossible to obtain the best degree of IP protection.

Photovoltaic connectors are connectors used in solar photovoltaic systems, mainly to transport the electrical energy generated by solar panels to the electricity grid. Their high reliability, their ease of use, their waterproof and dustproof performance, as well as their reasonable structural design, guarantee the stability and reliability of electrical connections. Correct connection of photovoltaic connector cables not only ensures the normal operation of the power plant, but also to reduce energy losses, improve the efficiency and safety of solar photovoltaic systems. Connectors are widely used in solar photovoltaic systems and are an indispensable part of solar power generation systems.

Structure

The structure of PV connectors manufactured by ZMS is designed to ensure reliable electrical connection and protection against water and dust.

Photovoltaic connectors are mainly composed of the connector body, pins and sockets.

1. Connector body : The connector body is usually made of engineering plastic high temperature resistant and having good weather resistance performance, with good insulation and anti-UV capacity. The connector body is generally rectangular in shape for ease of installation and wiring.

2. Brooches : The pins are part of the connector and are used to be inserted into sockets to make an electrical connection. Pins are usually made of copper, with excellent electrical conductivity and corrosion resistance performance. Pin shape and size are designed to match sockets, thus ensuring a reliable connection.

3. Taken : Plugs are another part of the connector, used to receive the pins and make an electrical connection with them. Sockets are usually made of copper, with silver surface to improve electrical conductivity and corrosion resistance ability. The internal design of the sockets is rational to ensure close contact with the pins, thereby reducing contact resistance.

Principle of operation

Photovoltaic connectors make an electrical connection by inserting and removing pins from sockets. Before being inserted into sockets, there is some space between the connector body and the pins. When the pins are inserted into the sockets, The springy action of the connector body allows close contact between sockets and pins, thus ensuring the transfer of current.
This connector is designed with waterproof and dustproof ; it has a sealing structure between the connector body and the pins/sockets, which effectively prevents the entry of water and dust inside the connector, thus guaranteeing its reliability and stability.

About ZMS Products

Anti-failure design : Tighter insertion of pins into sockets, which reduces the risk of disconnection.

Materials carefully selected by ZMS : Use of high-precision oxygen-free copper as well as high-quality seals. Robust and durable, with low electrical resistance, better electrical conductivity, and protection against corrosion and oxidation.

Conception unique : Designed with waterproof and dustproof function for secure use, thus avoiding safety risks.
Easy assembly, installation simple, and practical use.
High quality-price ratio and respect for the environment.

Custom manufacturing (OEM / ODM)

ZMS designs and produces tailor-made cables according to your technical specifications, with customization of the marking, Colors and packaging. Our products can be adapted to meet international standards (GB, IEC, BS, NFC, ASTM, FROM, etc.) and the specific requirements of each project.

Certified quality

All cables are tested before shipment and comply with CE certifications, IEC and ISO. Detailed test reports can be provided upon request to ensure the reliability and safety of your installations.

Packaging and protection

ZMS cables are carefully packaged on wooden spools, corrugated cardboard boxes or metal drums. Ends are tightly sealed with plastic wrap or BOPP to prevent moisture. Exterior marking can be personalized with waterproof materials.

Transport and delivery

We offer flexible and fast logistics solutions to more than 130 pays :

• Maritime : 20ft or 40ft containers depending on volume.
• Land : Local or regional delivery.
• Air : Option available for rush orders.

We also provide all necessary export documents : commercial invoice, packing list, certificate of origin and customs documents.

Technical support and customer service

Our engineers and advisors support you in choosing the cables best suited to your installations. We offer comprehensive consulting services, including technical assistance and project management, to ensure every step of your order is covered professionally.

Services d’installation

ZMS offers two options for your electrical projects :

• Option A (led by ZMS) : Sending engineers and a supervision team to site to provide technical advice, installers and final tests. Travel expenses, accommodation, per diem and translation are to be expected.
• Option B (local subcontracting) : Collaboration with qualified local companies for installation, with technical training, On-site supervision and compliance verification provided by ZMS.