Ingress protection: IP67
Temperature resistance: -40°c…+90℃ (IEC)-40℃ …+75℃ (UL)
Flammability rating: UL94-V0
Insulation resistance: ≥10″Ω
Contact material: verzinnt Copper Alloy, tin plated
Rated current: 17A/22A/30A
Rated voltage: 1000V DC(IEC)1 1000V/1000V DC(UL)1
Insulation material: PC/PA
Safetyclass: Ⅱ
Contact resistance of plug connectors: 0.5mΩ
Photovoltaic connectors are electrical connectors specifically used to connect various components in solar power generation systems (such as solar panels, inverters, batteries, etc.). Their main function is to ensure the stability, safety and efficiency of power transmission in photovoltaic systems.
The primary function of photovoltaic connectors is to stably transmit the power generated by solar panels to inverters, batteries or other power system components. They are able to carry higher currents and voltages, and ensure efficient power transmission to avoid power loss.
The photovoltaic system requires stable current and voltage when working. Photovoltaic connectors ensure the safe operation of the system through mechanisms such as firm connection, arc prevention and short circuit prevention.
Many photovoltaic connectors are equipped with anti-reverse connection function to avoid damage caused by incorrect connection of the solar panel.
Waterproof and dustproof: Photovoltaic connectors are usually waterproof and dustproof, meet international standards IP67 or IP68, and can be used for a long time in harsh outdoor environments.
Photovoltaic panels usually operate at high voltages (such as above 60V), and photovoltaic connectors are designed to withstand such high voltages and larger currents in the system. Photovoltaic connectors need to maintain stable electrical contact under these conditions to prevent safety issues such as overheating, damage or fire.
Since photovoltaic systems are exposed to sunlight all year round, photovoltaic connectors must be **resistant to ultraviolet rays (UV)**. Materials usually use special plastics (such as PC/PA66) that can effectively resist ultraviolet radiation and prevent aging.
Photovoltaic connectors also need to be able to withstand high temperatures and maintain stability under extreme temperature conditions (from low to high temperature environments).
When connecting and disconnecting electrical equipment, arcs are easily generated, and photovoltaic connectors are usually designed with anti-arc functions. They can quickly cut off the current and avoid arc damage to the connector itself and other system components.
Photovoltaic connectors usually adopt a quick plug-in design to make installation and maintenance easier. Without additional tools, photovoltaic modules and other equipment can be quickly connected and disconnected, greatly improving the efficiency of installation and maintenance.
Photovoltaic systems are installed outdoors and exposed to humid or salt spray environments for a long time. Therefore, the exterior of photovoltaic connectors is usually made of corrosion-resistant materials, such as gold-plated or silver-plated contacts, or corrosion-resistant metal shells to ensure long-term stable operation.
When designing photovoltaic connectors, special attention is paid to low contact resistance to ensure smooth current flow, reduce heat generated by excessive resistance, avoid losses and improve system efficiency.
Photovoltaic connectors usually need to comply with international standards, such as IEC 62852 (international standards for the design and testing requirements of photovoltaic connectors). In addition, some certification standards, such as UL, TUV, etc., ensure the quality and safety of connectors, especially when used in different environments in different regions of the world, in accordance with the certification requirements of various countries.
The design of photovoltaic connectors usually takes into account the compatibility of photovoltaic panels, inverters, and battery energy storage devices of different models and brands to ensure that photovoltaic components and systems can be seamlessly connected.
1. MC4 connector (most common type of photovoltaic connector):
MC4 connector is the most common connector in photovoltaic system, with high current carrying capacity and waterproof design. It is usually used to connect the output end of solar panels and parallel or inverter.
Its features include: easy plug and unplug, automatic locking design, arc protection, long-term UV resistance, etc.
2. T4 connector:
T4 connector is more compact than MC4 and is often used in medium-sized photovoltaic systems. Its advantages are lower installation cost and suitable for photovoltaic wiring with smaller current and shorter distance.
3. Solar Y connector:
Solar connector (or parallel connector) is used to connect the positive and negative poles of multiple solar panels to ensure the effective convergence of electricity.
4. Quick connector:
Some modern photovoltaic connectors adopt quick plug and unplug design (that is, no tool required), providing a simpler installation and removal experience.connector types:
1. MC4 connector (most common type of photovoltaic connector):
MC4 connector is the most common connector in photovoltaic system, with high current carrying capacity and waterproof design. It is usually used to connect the output end of solar panels and parallel or inverter.
Its features include: easy plug and unplug, automatic locking design, arc protection, long-term UV resistance, etc.
2. T4 connector:
T4 connector is more compact than MC4 and is often used in medium-sized photovoltaic systems. Its advantages are lower installation cost and suitable for photovoltaic wiring with smaller current and shorter distance.
3. Solar connector:
Solar connector (or parallel connector) is used to connect the positive and negative poles of multiple solar panels to ensure the effective convergence of electricity.
4. Quick connector:
Some modern photovoltaic connectors adopt a quick plug and unplug design (that is, no tool required), providing a simpler installation and removal experience.
| Ingress protection: | IP67 |
| Temperature resistance: | -40°c…+90℃ (IEC)-40°℃ …+75℃ (UL) |
| Flammability rating: | UL94-V0 |
| Insulation resistance: | ≥10″Ω |
| Contact material: | verzinnt Copper Alloy, tin plated |
| Rated current:17A/22A/30A | 17A/22A/30A |
| Rated voltage: | 1000V DC(IEC)1 1000V/1000V DC(UL)1 |
| lnsulation material: | PC/PA |
| Safetyclass | Ⅱ |
| Comtact resistanceof plug connectors: | 0.5mΩ |
Each structure is meticulous and well-protected, which can effectively prevent water leakage and displacement.
It is widely used in mechanical automation, new energy vehicles, wind power energy storage, electronic communications, marine and aviation, nuclear power plants, and various other scenarios
The PA66 nylon ventilation valve provides corrosion/high-temperature resistance, with a hydrophobic breathable membrane, it enabling effective gas exchange and waterproofing, blocks liquids/particulates, and equalises pressure. differentials to maintain seal integrity.
It can be dust-proof, salt-proof, acid-alkaline, alcohol-grease and general solvent, suitable for outdoor harsh environments Plug and play, convenient and fast.
The Waterproofing Industry Adheres to Innovation
Zhejiang Hongxiang Connector Co., Ltd. was founded in 2006 with a registered capital of 5 million yuan. And in 2018, it is a high-tech company which integrates research and development, production and sales. There are more than 100 employees in the company, and it is equipped with a professional sales team and a workshop management team.
The company is mainly aimed at the global sales of cable connectors and accessories for various materials. After more than nineteen years of development, it has provided thousands of customers with a high-quality product experience. We always pursued the most cost-effective products.
In 2024, Hongxiang Connector significantly broadened its business scope by introducing a new product line, the CFM (Cable and Fibre Management) solutions. This strategic expansion aims to enhance the efficiency of wire harness crimping processes for clients while simultaneously reducing their production costs.
The idea of the company is “customer first: We solve the problems for customers in time, due to the customer is the parent of food and clothing. Purse quality: only imperfect products, no critical customers. Be optimistic and positive: never give up when encountering difficulties and setbacks, and constantly motivate ourselves.” This mission is keeping the cable connector industry. We have established a good reputation in the industry and won the praise of all customers.
