Large 3 Pin (40A) 4 key

The Large 3pin features a 20–50A rated current, 300V rated voltage, with applications including IoT, outdoor lighting, solar trackers, energy storage, electric gardening tools, robotics, AGVs, drones, marine equipment and industrial automation.

Specifications Challenges Positioning Features Applications FAQ Related

Specifications

Rated Voltage: 600V DC
Rated Current: 40A
Withstand Voltage: 2,500V AC
Insulation Resistance: 100MΩ at DC 500V
IP Rating: IP67 Mated
OperatingTemperature: -40°C to 105°C
Salt Spray: 5% Nacl, 48H
Mating Cycle: 500 Cycles
Wire Processing: Solder
Wire Gauge: 10~12AWG/Max
Flammability Rating: UL94V-0

Challenges

In IoT, outdoor lighting, solar trackers, energy storage, and industrial automation equipment, connectors are required to withstand prolonged exposure to moisture, temperature fluctuations, vibration, and demanding outdoor conditions. Conventional connection solutions may face issues such as insufficient protection, limited operating temperature ranges, cable compatibility challenges, and higher long-term maintenance costs.


The Large 3pin features an IP67 rated design, supports a rated current range of 20–50A, and is certified to UL1977 and UL2238, providing a reliable power connection solution for a wide range of industrial equipment.

Positioning

Large 3pin is a waterproof connector designed for demanding industrial environments, featuring a 20–50A rated current, IP67 protection and a -40°C to 105°C operating temperature range, supporting customers in IoT, energy storage, robotics, AGV and industrial automation to address protection, temperature adaptability and reliable power connection requirements in outdoor and harsh operating conditions.

Features

IP67 Protection and Wide Temperature Range

The Large 3pin connector provides IP67 protection and operates from -40°C to 105°C, supporting equipment used in outdoor lighting, solar trackers, energy storage and industrial automation. Compared with connection solutions with more limited protection or temperature ranges, its IP67 rating and wide operating temperature range support a broader range of industrial and outdoor applications, helping engineers develop connection systems for varying environmental conditions.

20–50A Power Connection Capability

The connector supports a 20–50A rated current and 300V rated voltage, with 9–12 AWG cables recommended for connection. It can be used for power connections in robotics, AGVs, drones, energy storage systems and electric gardening tools. The 20–50A current range accommodates different equipment requirements, while the defined cable recommendation provides engineers with a clear reference for connector and cable selection.

500 Mating Cycles and UL Certifications

The Large 3pin connector provides a mechanical life of 500 mating cycles and is certified to UL1977 and UL2238. It is suitable for IoT, marine equipment, robotics and industrial automation applications where connector specifications and mechanical durability are important. These defined mechanical and certification parameters provide a clear technical reference for equipment development, connector selection and project validation.

Applications

IoT, outdoor lighting, electric gardening tools, robotics, AGVs, and marine equipment.

FAQ

Q

What kind of company is Chogori?

A
Chogori Technology was founded in 2007 and is a National High-Tech Enterprise in China. The company specializes in the R&D, manufacturing, and sales of electrical connectors and assemblies designed for harsh environments. Its main products include connectors and assemblies for outdoor electronic terminals, micro-mobility vehicles, and new energy vehicles.

Chogori products are widely used in outdoor electronic equipment such as outdoor lighting, smart water meters, vehicle communication systems, LED displays, and information and communication equipment; in micro-mobility applications including electric bicycles, electric motorcycles, and electric scooters; as well as in new energy vehicles.

As one of the early Chinese manufacturers specializing in connectors for harsh environments, Chogori has supplied connectors for lighting and stage equipment used in major events and projects, including the Olympic Games, World Expo, Asian Games, and Universiade. Its products are widely used in electric two-wheelers, new energy vehicles, LED lighting and displays, industrial automation, marine electronics, engineering and agricultural machinery, and renewable energy applications such as solar, wind, and bioenergy.

Chogori is headquartered in Shenzhen, with manufacturing facilities in Dongguan and Rayong, Thailand, and branches in Shanghai, Luoyang, Singapore, Germany, and North America.
Q

Are Chogori connector samples provided free of charge? What is the process and lead time for requesting samples?

A
Chogori supports free sample requests for potential customers, subject to review by the sales or technical support team.

Process: Contact the sales team → Provide the required product model and specifications → Submit project or quotation information → Upon approval, the samples will be shipped.

The typical sample shipping lead time is 2–7 business days, depending on the model and sample availability.
Q

For exports to Europe, CE and RoHS compliance is required. Do you have a REACH SVHC test report available?

A
Chogori connector materials comply with RoHS and REACH environmental requirements, enabling the products to be marketed and used in Europe without compliance barriers. Customers who require a REACH SVHC test report may contact our sales or technical support team to obtain the relevant documentation.
Q

Which Chogori connectors are suitable for architectural lighting applications?

A
For architectural lighting applications, connectors need to provide long-term outdoor durability, corrosion resistance, and reliable protection against water and dust. Chogori offers a range of suitable connector solutions, including:

Mini Series: 8-pin (8A)
Standard Series: 2–4 pin (10A)
Standard Series: 2+4 / 2+6 pin (10A + 2A / 5A + 2A)
Middle Series: 2–5 pin (10–20A)
Middle Series: 3+5 pin (15A + 2A)

These connectors feature weather-resistant housing materials and reliable sealing structures to withstand challenging outdoor conditions such as temperature fluctuations, rain, and UV exposure.

Their multi-pin integrated designs can handle multiple power and control signal circuits, simplifying wiring while improving overall system reliability. They are well suited for applications such as building facade lighting, architectural contour lighting, and landscape lighting projects.
Q

Which Chogori connectors are suitable for LED display applications?

A
Chogori offers a range of connector solutions suitable for LED display applications, where stable signal transmission, multi-pin integration, and quick mating are critical.

Recommended options include the Standard Series 8-pin (5A), Middle Series 2–3 pin (20A), Large Series 3+9 pin (20A + 5A), Large Series 2+13 pin (20A + 5A), and CAC3 Series (20A).

The hybrid multi-pin designs can support both power delivery and signal transmission in a single connector, helping ensure stable and synchronized display performance. Their modular design also enables fast installation and maintenance, making them well suited for the dense cabling requirements of indoor and outdoor LED displays, including stage rental screens and outdoor advertising displays.

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